- Open Access
Screening for adolescent alcohol and drug use in pediatric health-care settings: predictors and implications for practice and policy
© Sterling et al; licensee BioMed Central Ltd. 2012
Received: 10 January 2012
Accepted: 26 July 2012
Published: 16 August 2012
This paper used data from a study of pediatric primary care provider (PCP) screening practices to examine barriers to and facilitators of adolescent alcohol and other drug (AOD) screening in pediatric primary care.
A web-based survey (N = 437) was used to examine the influence of PCP factors (attitudes and knowledge, training, self-efficacy, comfort with alcohol and drug issues); patient characteristics (age, gender, ethnicity, comorbidities and risk factors); and organizational factors (screening barriers, staffing resources, confidentiality issues) on AOD screening practices. Self-reported and electronic medical record (EMR)-recorded screening rates were also assessed.
More PCPs felt unprepared to diagnose alcohol abuse (42%) and other drug abuse (56%) than depression (29%) (p < 0.001). Overall, PCPs were more likely to screen boys than girls, and male PCPs were even more likely than female PCPs to screen boys (23% versus 6%, p < 0.0001). Having more time and having other staff screen and review results were identified as potential screening facilitators. Self-reported screening rates were significantly higher than actual (EMR-recorded) rates for all substances. Feeling prepared to diagnose AOD problems predicted higher self-reported screening rates (OR = 1.02, p <0.001), and identifying time constraints as a barrier to screening predicted lower self-reported screening rates (OR = 0.91, p < 0.001). Higher average panel age was a significant predictor of increased EMR-recorded screening rates (OR = 1.11, p < 0.001).
Organizational factors, lack of training, and discomfort with AOD screening may impact adolescent substance-abuse screening and intervention, but organizational approaches (e.g., EMR tools and workflow) may matter more than PCP or patient factors in determining screening.
Alcohol and other drug (AOD) problems are major causes of mortality and morbidity, and these problems often begin in adolescence . Pediatric primary care providers (PCPs) are ideally placed to identify AOD problems in their adolescent patients and intervene before the problems become more serious. Unfortunately, behavioral health fields have failed to persuade PCPs and health systems to implement screening, brief intervention, and referral to treatment (SBIRT) for adolescents despite a mature body of evidence demonstrating the effectiveness of SBIRT for alcohol problems in adult primary care, and less robust but growing evidence suggesting that brief intervention models of AOD services are similarly effective for adolescents.
In this paper, we examine barriers to and facilitators of AOD screening and intervention in pediatric primary care using data from a study that examined pediatric PCP practices and attitudes toward screening and treatment for adolescent AOD use in a large integrated health-care delivery system. The study’s intent was to inform the development of strategies to facilitate adolescent AOD screening.
AOD use and adolescent health
Alcohol and other drug problems are a major cause of morbidity and mortality among youth [2–4] and are a significant public health problem. More common than AOD disorders, however, and quite prevalent among adolescent primary care patients, is less severe but still risky AOD use. A survey of adolescent patients in a pediatrics setting found prevalence rates for AOD abuse to be 14.8% . Adolescent AOD misuse co-occurs frequently with mental health problems and other conditions and behaviors that confer risk for unfavorable health, delinquency, HIV , poor academic performance, and suicide . Considered alongside emerging evidence of the heightened vulnerability of the developing adolescent brain to the harmful effects of AOD use [8, 9], it seems clear that early identification and treatment may prevent adverse long-term medical and mental health outcomes.
Missed opportunities for problem identification in pediatric primary care
Medical visits provide critical opportunities to detect AOD problems , and PCPs may be especially effective agents to do so . While many PCPs may worry that patients do not wish to discuss AOD use during check-ups, a recent national survey of teens and parents actually found high receptivity to screening and intervention by PCPs . Brown and Wissow  found that adolescents had more positive perceptions of care when their PCP discussed “sensitive” topics with them, including AOD use.
Although all adolescents with AOD problems may not have access to or seek regular medical care, studies suggest that these adolescents may be just as likely as those without problems to visit a PCP . Among adolescents seeking AOD treatment in the health system in which this study took place, 81% had a primary care visit in the year before treatment, and 90% had one in the two years prior to intake (unpublished observation, presented as “The role of primary care in addressing adolescent substance use: screening, treatment, and coordination” in Los Angeles on 6/22/07 at the California Society of Addiction Medicine symposium: "Not Just Small Adults: New Insights on Adolescent Brain Development and Implications for Adolescent Substance Abuse Treatment Conference"). In addition, AOD use is often associated with other medical and mental health problems. Adolescents with AOD problems have been found to have more medical and psychiatric problems than those without AOD problems [15, 16], and, although competing clinical priorities may reduce the likelihood of addressing AOD disorders, comorbidities may also give providers an entree for discussing AOD use with patients.
Adolescent AOD screening recommendations
Adolescent health experts have long called for more and better AOD screening in pediatrics [17–19]. Several national organizations, including the US Preventive Services Task Force, have developed clinical guidelines for adolescent health care that specifically recommend screening for AOD use. The American Academy of Pediatrics’ Bright Futures and the American Medical Association’s Guidelines for Adolescent Preventive Services both recommend that youth aged 11 years and older should be screened for AOD use at each annual preventive health visit [20–23].
Suboptimal screening practices
Despite these recommendations relatively few PCPs screen adolescents according to guidelines [24–26]. An American Academy of Pediatrics’ survey found that only 45% of fellows routinely screened young patients for alcohol use, and only 16% reported using standardized instruments . There are many possible reasons for these low levels of screening, including organizational and systemic factors such as insufficient time and staff resources , inadequate training in residency programs , concerns about intrusiveness or patient embarrassment [28, 29], and low levels of self-efficacy and confidence about discussing AOD use [30–32].
Research also suggests that, based on clinical impressions alone, PCPs may fail to detect AOD problems among adolescent patients. One study found that only 2% of the 16% of adolescents with diagnosed AOD disorders were correctly identified by physicians as having a substance-use problem . Even when AOD screening occurs, identification, intervention, and/or referral to specialty care are not guaranteed. A study by Stevens et al.  that screened adolescents for AOD disorders in the waiting room found that doctors who received the results prior to seeing the patient improved identification significantly compared with those who received results after the visit; however, they still failed to recognize problems in 27% of the patients whose screening results indicated an AOD problem. In another study, Hassan and colleagues  examined pediatricians’ perceptions of the severity of patients’ AOD problems and their practices with regard to follow-up interventions. They found that, while 14% of the sample scored ≥2 on the CRAFFT (C ar, R elax, A lone, F orget, F riends, T rouble) screening tool, indicating a likely AOD problem, providers’ diagnostic impressions led them to identify only 4.8% of the patients (N = 2034) with problem use. Moreover, almost 20% of those perceived by the providers to have an AOD problem still did not receive a recommendation for an active intervention . Another study of adolescents entering specialty AOD treatment in a large health-care system found that fewer than 20% of new patients were identified and referred to treatment by their medical provider . These findings suggest that youth with AOD problems are not always well-served by the health-care system or providers, and that more work is needed to improve detection and treatment.
SBIRT and adolescents
As a nationally recognized public health approach to AOD problems, SBIRT is strongly supported by the National Institute of Alcohol Abuse and Alcoholism (NIAAA), the National Institute on Drug Abuse (NIDA), and the Substance Abuse and Mental Health Services Administration (SAMHSA), as well as by national medical organizations including the American Academy of Pediatrics . A solid body of research developed over the past two decades suggests that SBIRT is efficacious for reducing risky AOD use in adolescents and that the principles and techniques underlying SBIRT (e.g., motivational interviewing) may in fact be particularly well-suited to the developmental stage of adolescence [36, 37]. Several studies have demonstrated the efficacy [38–40], effectiveness [41, 42], and feasibility  of screening and brief intervention for adolescents on a wide range of outcomes, including reducing binge drinking, cannabis use, drinking and driving, smoking, emergency department use, and other harmful behaviors [36, 38, 40, 44–53].
SBIRT in pediatric primary care
Research examining SBIRT for adolescents in pediatric primary care settings has also shown promising results. Ozer et al.  found that a brief alcohol intervention by pediatric PCPs to 14- and 15-year-olds reduced risky drinking . De Micheli and colleagues  found that a brief intervention delivered by pediatricians in an adolescent primary care clinic resulted in a reduction in use of several substances, including marijuana, alcohol, inhalants, Ecstasy, and tobacco, in the intervention group compared with controls who received no intervention. Knight et al.  found promising results at three months in a pilot study conducted partially in primary care, with an intervention delivered by both pediatricians and nonphysicians; however the sample was small, attrition was significant, and they did not examine differences in effectiveness between the PCPs and non-PCPs. D’Amico et al.  examined the impact of a brief motivational intervention on AOD drug use for high-risk teens in a primary care clinic and found decreased use and increased self-efficacy at three months; however, this pilot study also suffered from a small sample size and low retention rates.
Factors influencing screening
Primary care physicians may fail to screen for alcohol use because of time constraints, lack of resources, lack of training, unfamiliarity with screening instruments, and attitudes toward particular health issues, including estimation of risk [57–59]. In a recent survey, members of the American Academy of Pediatrics reported the following barriers to providing services for child/adolescent behavioral problems: lack of time (77%), lack of training in treatment of such problems (65%), lack of confidence in their ability to address problems (62%), and lack of qualified specialty treatment providers to whom to refer patients (61%) . A qualitative examination of barriers specific to adolescent AOD screening ranked the barriers as: 1) insufficient time, 2) lack of training to manage positive screens, 3) need to triage competing medical problems, 4) lack of treatment resources, 5) and “tenacious” parents who compromise confidentiality, and 6) unfamiliarity with screening tools . Many of these barriers speak to increasing pressure on PCPs to perform more services within shorter appointment times.
That insufficient time is oft cited as a barrier to screening reflects the pressures faced by today's PCPs. Preventive health activities increase the average time spent with patients : one study estimated that for a PCP to provide all the patients in a typical panel with all the services recommended by the US Preventive Services Task Force would require 7.4 hours per day . Addressing behavioral health concerns has been found to significantly increase visit duration .
Providers also may not feel that behavioral health problems, particularly AOD problems, fall within their purview. A recent survey of pediatricians found that, while the majority (88%) felt that they should be responsible for identifying substance abuse among their patients, very few (21%) felt that they should be responsible for the treatment and management of those problems, preferring instead to refer such patients to other providers for treatment (90%) . This is in spite of the fact that many primary care providers also express skepticism about the effectiveness of specialty AOD treatment. One survey found that only 21% of PCPs believed that interventions would be effective at least half the time . Other provider factors that may predict screening include outcome expectancy, concerns about intrusiveness, negative attitudes about patients with alcohol problems, and level of confidence about screening and intervention skills.
Characteristics such as gender, age, and experience may also play a role in how well providers identify AOD use and intervene [64–66]. Some studies have found provider gender to predict screening practices, with women PCPs being more likely than men to provide preventive services, including screening patients for alcohol problems and using standardized instruments [30, 65]. In a national survey of adolescent patients, Klein and Wilson found that patients were more likely to report having discussed health risk behaviors if their doctor was female . Other studies found that younger providers report more screening than older ones [30, 65], although this may actually reflect differences in training rather than age.
Patient demographic characteristics and medical and psychiatric conditions may also affect the likelihood of being screened and treated for AOD use, although this has not been well-studied in adolescents. A US survey of PCP screening of adults found that most primarily screen pregnant women and patients suspected of having a problem . Gender differences have been found in how other psychosocial problems are diagnosed [68, 69], and some studies suggest that female patients are less likely to be screened than male [70–72]. Older adolescents are more likely to be screened than younger [73, 74].
The barriers to and facilitators of AOD screening have not been as well-studied in pediatrics as in adult medicine, and they have not been studied in the context of a health plan with electronic medical records (EMRs), which may reduce some of the previously reported barriers. This paper describes findings from a study that explored the approaches of pediatric PCPs to adolescent AOD screening and intervention in primary care. We explored factors that might either prompt PCPs to screen their patients or cause them to refrain from screening. We examined the prevalence of self-reported and EMR-recorded adolescent AOD screening in a population base of PCPs. We assessed the PCP factors (e.g., demographics, training, knowledge, and attitudes), patient factors (e.g., age, gender, co-occurring conditions, and other risk factors), and organizational factors (e.g., time constraints, confidentiality policies) that influence providers’ screening practices. We also examined PCPs’ perceived barriers to screening practices, and what mechanisms and approaches would facilitate screening. Finally, we examined PCP practices when adolescent AOD problems are identified. Findings could shed light on solutions to the persistent obstacles faced by those seeking to implement screening and brief intervention for AOD problems of adolescents in medical settings.
The study was conducted in the Kaiser Permanente Northern California (KPNC) health-care system; a large integrated health care delivery system serving over 3.4 million members (about 34% of the commercially insured population of the Northern California region), with approximately 450,000 members between ages 11 and 21. Kaiser Permanente Northern California has 48 medical facilities and employs approximately 607 pediatricians. In general, the membership is working- and middle-class, although several counties have contracted with KPNC to serve their Medicaid patients. The KPNC system provides integrated AOD and psychiatry services.
Sample and procedures
The sample consisted of all KPNC PCPs based in pediatric or family practice departments who had at least 50 adolescents currently on their panel (N = 540). A provider’s “panel” consists of all members for whom the provider is the PCP.
Eligible providers were contacted via e-mail about an online survey and were invited to participate. The e-mail contained a hyperlink to the survey. All KPNC providers have access to e-mail and the organization’s intranet on the computers located in their offices; most also have access at home and the ability to read e-mail at their leisure. The survey software allowed participants to start and stop as desired. Passive consent was assumed if PCPs chose to access the survey, and they were offered a $50 gift certificate to reimburse them for their time. E-mail reminders were sent to nonresponders. After two reminders, research staff contacted the participant to administer the interview via telephone or to set up an in-person interview. Survey data were captured on a secure server at the Kaiser Permanente Division of Research and stored on password-protected computers. The study received approval from the Institutional Review Boards at KPNC and at the University of California, San Francisco.
The survey included four main sections: provider, patient, and organizational factors impacting AOD screening and provider screening practices.
We measured PCP age, gender, and ethnicity; medical specialty (general pediatrics, adolescent medicine); and years of experience (less than 10 or ≥10). We asked participants about the extent of their recent AOD training (training within the past 5 years versus none) and whether they felt satisfied with continuing medical education opportunities to stay current on issues of AOD and mental health problems in adolescents.
We examined levels of comfort with, and perceived expertise in, adolescent behavioral health problems by asking participants how difficult they felt it was to discuss alcohol abuse, drug abuse, depression, and risky sexual practices with their patients. They were asked how prepared they felt to diagnose patients with alcohol, marijuana, other illicit drug, and prescription drug problems and/or depression. The four questions related to readiness to diagnose AOD problems were combined to create a “prepared to diagnose” AOD composite score. These questions were first dichotomized (prepared versus not prepared to diagnose) and then summed to create a score ranging from 0 to 4 indicating the providers’ level of comfort in diagnosing AOD disorders (4 = very prepared). We also asked providers to what extent they felt knowledgeable about AOD use trends among adolescents and their opinion about the effectiveness of AOD specialty treatment.
These questions related to patient characteristics that were most likely to prompt PCPs to screen and address AOD problems. We asked participants if they were more likely to screen boys versus girls or older versus younger adolescents and which ethnic groups have higher rates of AOD problems. Potential warning signs (e.g., school problems, depression, legal problems, family conflict, parental AOD abuse, unusual sleeping patterns, and weight loss) that would prompt them to screen for AOD use were also examined. Regarding the types of substances their patients were using, the PCPs were asked which substances were most frequently misused among patients with AOD problems and which substance they felt posed the greatest risk to their patients. We also asked them to rank, in order of importance, the health conditions or risk factors for which their patients should be screened.
We measured the organizational factors that PCPs felt were either barriers to or facilitators of adolescent AOD screening and treatment, such as time constraints, confidentiality issues, referral and treatment resources, proximity to mental health and AOD treatment, and perceptions as to which staff are best equipped to deliver such services. We asked them the reasons why they might refrain from discussing AOD use with their patients and what it would take to consistently screen every adolescent for substance use. We also asked whether they felt that organizational policies and state laws about confidential adolescent health services presented barriers to discussing AOD use with their patients.
Provider self-reported screening practices
Providers were asked to estimate both how often they screened their adolescent well-visit patients for AOD use and the percentage of adolescent well-visit patients they screened for the following: alcohol, drugs, tobacco, friends' AOD use, and riding in a car when the driver had used AOD. We asked whether, in addition to the AOD measures in the electronic medical record (EMR), they used standardized, evidence-based AOD screening instruments to assess their patients’ AOD use. They were asked about their usual practice if they suspected a patient had an AOD problem; i.e., whether they were likely to counsel patients themselves or refer them to someone else, and if the latter, to whom or what department were they likely to refer.
Electronic medical records
The KPNC network maintains its own EMR system, which integrates clinical and diagnostic data with appointments, registration, and billing for each encounter. Diagnoses and procedures are coded according to both ICD-9-CM and CPT4 classification systems. The records also include information from other data sources such as patient questionnaires filled out by clinicians. The “Teen Well Check” template is an integral part of every adolescent’s electronic chart. It records the results of physical exams and is the official documentation template for every adolescent well-visit. The template includes the “Teen Well Check Questionnaire,” a comprehensive checklist comprised of questions on a variety of health behaviors, including alcohol use (past year), marijuana and other drug use (ever), tobacco use (past year), close friends using AOD, driving with a driver who has used AOD, depression, and suicidality. The questionnaire is part of the standard recommended workflow for all adolescent well-visits within the KPNC health system and is completed by the adolescent prior to seeing the PCP for his or her physical exam.
We examined EMR data for each provider who participated in the study. The mean panel age for each provider was calculated. EMR-recorded screening rates were also calculated. Screening rates for each provider were defined as the percentage of the total number of adolescent patients who presented for a teen well-visit who were then screened for behavioral health problems. Screening was defined as the PCP having completed the Teen Well Check Questionnaire set of AOD-related questions.
Basic frequencies and Pearson chi-square tests were used to describe the provider, patient, and organizational factors associated with screening. Paired t-tests were used to analyze differences in self-reported and EMR-recorded screening rates. Of the 437 providers who responded to the survey, 397 had at least one teen with a well-visit in the six months prior to the survey. The EMR-recorded screening rates were based on these visits. We built multivariable logistic regression models to examine the independent effects upon screening rates of average panel age, preparedness to diagnosis AOD problems composite score (0–3), and three barriers to screening: time constraints, concerns about adolescent confidentiality, and being uncertain that treatment is effective. Both self-reported and EMR-recorded screening rates were modeled. All analyses were conducted using SAS/STAT® software version 9.2 (SAS Institute, Inc., Cary, NC).
The web-based survey had an 81% response rate (N = 437). The mean age of PCPs in the sample was 45; 53% were white, 34% were Asian, 9% were Hispanic, and 4% were African American; 60% were female. The average age of patients in the PCPs’ panels was 14.5. The mean time since training was 17 years.
Factors Influencing Screening
Percent of Providers (N = 437)
Difficult to discuss with patients:
Unprepared to diagnose:
Five most important risk factors to screen for:
Barriers and Facilitators to Screening (N = 437)
Adolescent confidentiality policies and regulations
Patients do not tell the truth
Uncertain treatment is effective
Uncomfortable talking about AOD use
Did not have sufficient information about referral options
Documentation of AOD in medical record could adversely affect patient
Do not want to frighten or anger patient
Questions patient's integrity
Having an MA screen or clinician to review results
Having the screening done prior to seeing patient
Although only 14% reported receiving no instruction on AOD problems at all in the past five years, 48% were satisfied they were staying current on AOD problems and treatment. Over half the sample (52%) felt that AOD treatment was either not very, or not at all, effective. Those PCPs with <10 years of experience said they were less likely to talk to their patients about AOD use because of uncertainty about AOD treatment effectiveness, compared with those with more experience (32% versus 20%). Fewer female PCPs said that treatment was effective (25% versus 33%), and more reported that confidentiality was a barrier to discussing AOD use with their patients (35% versus 27%).
There was variation as to which patients PCPs were most likely to screen and what conditions and risk behaviors prompted screening. Thirteen percent of PCPs reported being more likely to screen boys than girls, and male PCPs were even more likely than females to report that they were more apt to screen boys than girls (23% versus 6%, p < 0.0001). They reported perceptions of differences in the rates of AOD problems by ethnicity; e.g., 39% said that white adolescents had higher rates of AOD problems, followed by African Americans (37%), Hispanics (35%), Native Americans (14%), Pacific Islanders (6%), and Asians (4%). Sixty-two percent of PCPs said they were more likely to screen older than younger adolescents. In order of importance, the conditions they reported would trigger AOD screening were depression (94%), school problems (93%), weight loss (78%), sleeping problems (75%), family conflict (71%), and anxiety (71%). Eighty-six percent felt that AOD use was related to psychiatric comorbidity. When PCPs were asked to rank what they considered to be the most pressing conditions and risk factors to screen their patients for, alcohol use was ranked the fifth most serious risk; the other four were: 1) nutrition, 2) STDs, 3) exercise, and 4) depression (Table 1).
When asked which substances were more frequently misused among patients with an AOD problem, respondents reported alcohol (89%), marijuana (88%), party drugs (20%), methamphetamines (14%), prescription opiates (8 %), cocaine (7%), and inhalants (1%). They ranked the substances they considered most risky for their patients to use as heroin (90%), methamphetamine (86%), cocaine (85%), prescription opiates (75%), inhalants (74%), party drugs (72%), alcohol (28%), and marijuana (25%).
Eighty percent of respondents reported that time constraints would cause them to avoid discussing AOD use with patients, making it the number one barrier. Other reported barriers to screening were feeling that they did not “have sufficient information about referral options” (12%), and the fear that documentation of AOD use in medical record could adversely affect patients (9%). Many of the PCPs (32%) perceived adolescent confidentiality policies and regulations as a barrier to discussing AOD use and problems. The major facilitators they suggested for consistent screening were extra time (76%), using other providers to screen (56%), and having screening done prior to seeing the patient (51%) (Table 2).
Provider self-reported screening rates and EMR-recorded screening rates
Provider Self-Reported and EMR-Recorded Screening Rates
Self-Reported Rates (N = 437)
EMR-Recorded Rates (n = 397)*
Screening Questions Asked:
Friends' alcohol and drug use
In a car when driver used alcohol and/or drugs
Independent predictors of self-reported and EMR-recorded screening
Self-Reported and EMR-Recorded Screening Logistic Regression Models
Self-Reported Rates (N = 437)
EMR-Recorded Rates (n = 397)*
Average panel age
Prepared to diagnose AOD composite score
Time constraints as barrier (yes versus no)
“Uncertain treatment is effective” as barrier (yes versus no)
Confidentiality as barrier (yes versus no)
As other studies have found [31, 32], PCPs’ knowledge about AOD screening and treatment techniques, their self-efficacy in regard to addressing AOD use, and their discomfort with discussing AOD use were each identified as factors influencing screening practices. Results suggest they feel less prepared to diagnose alcohol than depression, they rate alcohol as more difficult to discuss than depression, and they are more comfortable talking about sexual practices than alcohol. Nineteen percent reported alcohol as being “difficult to discuss,” whereas only 1% reported “feeling uncomfortable” discussing risky sexual practices. Sensitivity about discussing AOD use has been cited as a barrier to screening among adult patient populations  because providers fear alienating patients or are hesitant to criticize culturally sanctioned behavior (drinking alcohol and, increasingly in some states, using marijuana). However, our findings suggest PCPs find alcohol and drugs difficult to discuss with adolescent patients even when their use is neither sanctioned nor legal. Training to destigmatize these topics and to increase PCP confidence and self-efficacy about discussing drinking and drug use would help address these problems. As found in other research, however , fewer opportunities for education about adolescent AOD use and assessment and treatment are available than providers would like; less than half were satisfied that they were staying current on AOD-related health topics. Fortunately, several new US training grants and medical school loan repayment programs target AOD screening and treatment education for PCPs, emphasizing the integration of mental and physical health and the treatment of vulnerable groups such as those with AOD problems . Moreover, many organizations, including the American Academy of Pediatrics and the Substance Abuse and Mental Health Services Administration (SAMHSA), have initiatives to increase screening for adolescents, improve the environment for addressing alcohol as part of health care (as with smoking), and facilitate provider familiarity with AOD use and problems .
Patient characteristics also influenced attitudes towards screening. The majority of PCPs said they were more likely to screen boys than girls and were more likely to screen older than younger patients. They also felt that teens of different ethnic groups had different rates of AOD problems, with white, African American, and Hispanic youth perceived as having higher rates of use than other ethnic groups. The PCPs surveyed in this study clearly recognized the role of psychiatric comorbidity; 86% saw it as related to AOD problems. Depression was reported to be the most salient trigger for AOD screening, followed by school problems, weight loss, sleeping problems, family conflict, and anxiety. The providers ranked alcohol as only the fifth most pressing risk factor warranting screening, after nutrition, STDs, exercise, and depression; drug use did not make the top five risk factors. All these conditions and behaviors are compelling risk factors in adolescent health; thus, PCPs must balance a multitude of competing priorities in a visit .
As other studies have found , time constraints emerged as an important barrier to screening. The presence of an EMR to help standardize procedures and instruments did not obviate that key issue. Other factors, such as uncertainty about AOD treatment effectiveness, concerns about the potentially detrimental effect of such discussions on the provider-patient relationship, and discomfort discussing AOD issues were identified as significant barriers by fewer PCPs. One-third of the PCPs cited confidentiality as a barrier to screening; they struggle with the challenges involved in addressing AOD problems within the context of a confidential adolescent visit, balancing the need to maintain a relationship of trust with their patients, and the occasional need to break confidentiality and reveal AOD use to parents, particularly when problems may be severe enough to warrant referral to specialty treatment.
We found few independent predictors of screening, either self-reported or EMR-recorded. Those PCPs with panels of higher average patient age had higher EMR-recorded screening rates, while those who reported being more prepared to diagnose AOD problems had higher odds of increased self-reported rates, and those who endorsed time constraints as a barrier to screening were more likely to have lower self-reported screening rates. The discrepancy between self-reported and EMR screening rates is troubling but not unexpected; other research has found over-reporting of preventive clinical activities related to similarly “sensitive” topics . The less-than-optimal EMR-recorded rates suggest that, even with systematic screening, an AOD screening tool embedded in a health system’s EMR, and standardized workflow, more effort is needed to ensure that AOD screening is a component of all adolescent well visits (and all nonemergency visits, many would argue). Conversely, the fact that nearly two-thirds of all teens are being screened during well visits, a higher rate than that found in other studies , suggests the value of system-level strategies to facilitate screening. These findings, coupled with reports from PCPs that AOD knowledge and self-efficacy as well as organizational issues such as time limitations and staffing influenced their screening practices, suggest the benefits of exploring a model of systematic screening that employs both standardized evidence-based screening instruments and clinicians trained in AOD screening and assessment.
Based on the survey findings, we conducted a pilot study of adolescent screening, brief intervention, and referral to treatment (SBIRT) in a large general pediatric clinic within the KPNC health system. The intervention sought to address organizational barriers identified in the survey, such as PCPs’ well-founded concerns about the additional time required to address behavioral problems in time-limited well-visits  and about having other personnel conduct the screening and intervention (if needed). At the same time, it addressed, directly or indirectly, some of the more complex provider-level factors that could impede screening (for example, low levels of self-efficacy and high levels of discomfort about discussing AOD problems) and allowed for referral for broader behavioral health problems.
Compared with usual care, which does not provide formal “in-house” behavioral health services in general pediatrics departments, this pilot intervention provided as a resource to the PCPs a behavioral clinician trained in motivational interviewing and brief intervention. The pilot took advantage of the Teen Well Check AOD use questions included in the health system’s EMR to use as “trigger” questions for identifying patients at risk and provided brief training to PCPs on the need for systematic AOD screening and on the process for referring teens to the behavioral clinician. This intervention encouraged a more systematic approach, indirectly addressing the self-reported tendency of PCPs to screen by gender, age, substance type, or other characteristics. Sessions of SBIRT included further screening; brief interventions for substance use, depression, anxiety, and other behavioral risk behaviors for patients with lower-severity AOD problems; and clinician-facilitated referral and follow-up to specialty AOD and mental health treatment as needed for patients with higher-severity AOD or mental health problems. To assess whether the intervention resulted in more screening and intervention, we used the EMR to compare pre- and post-intervention rates of screening and brief intervention and AOD and mental health visits. Rates of behavioral-health treatment utilization increased during the pilot; for adolescents with routine well-child visits, specialty behavioral health treatment initiation increased from 8.7% to 12.0% (p < 0.0001). Although the findings from this small pilot cannot be interpreted as causal, and the project did not have the resources to address many of the provider and patient factors identified in the survey as influencing screening practices, the results suggest ways to increase screening for, and treatment of, adolescent AOD problems in pediatric primary care settings. Further research on interventions designed to address provider-level factors that inhibit screening would be beneficial; specifically, enhanced medical and continuing education training on AOD screening and brief intervention and the development of streamlined, provider-friendly instruments and workflows to address adolescent AOD problems.
Because adolescent AOD problems frequently co-occur with other medical and mental health conditions [15, 16], and these adolescents are costly consumers of health services , the early identification and prevention of AOD problems should be of great interest to policy-makers and health-care systems. Under health-care reform legislation, many health systems are now required to retain members into young adulthood. Future studies should continue to test models of care that can deliver AOD and behavioral health services efficiently and cost-effectively and in a manner to which providers will be amenable.
This study was conducted in a private-sector integrated health system with a relatively mature EMR containing a behavioral health screener. As such, results may not be generalizable to other health systems. However, systems such as KPNC’s have increasingly become a major organizational model for private and public health care, including many state Medicaid systems. Fundamental changes are occurring that provide an incentive to integrate behavioral health into primary care in the US in both public and private settings. These include health reform and parity legislation and a substantial increase in federal funding flowing to safety net providers such as federally qualified health centers (FQHCs) and community health centers to promote the integration of behavioral health services and training and the implementation of EMR . In the coming decade, over half of patients newly insured under health-care reform will be insured through Medicaid with the Children’s Health Insurance Program (CHIP) rolled into it , most of whom will receive services in private health systems and FQHCs. Our findings on barriers and facilitators of AOD screening of adolescents in primary care and the potential effectiveness of a systematic adolescent SBIRT model may help to inform this transformation of primary care practice.
This research was supported by a grant from the National Institute on Alcohol Abuse and Alcoholism (R01-AA016204) and the KPNC Community Benefit Program. We acknowledge the pediatric primary care providers of the KPNC Medical Care Program, the providers and staff, and especially the patients of the KPNC Oakland Medical Center Pediatrics Department for their support of the project as well as the KPNC Adolescent Medical Specialists Committee. Thanks also to Richanne Sniezak, Megan DaVania, Andrea Green, and Alesia Barrett Singer for their clinical expertise and to Agatha Hinman for her editorial assistance.
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