Skip to main content

Table 2 Baseline patient characteristics

From: Public sector low threshold office-based buprenorphine treatment: outcomes at year 7

  All patients
(N = 485)
n (%)
Inductionsa
(n = 306)
n (%)
Transfersa
(n = 179)
n (%)
Mal 402 (83) 256 (84) 146 (82)
Age, average (range) 47 (23–73) 47 (24–71) 47 (24–73)
Race and ethnicityb    
 Black 140 (29) 107 (35)* 33 (18)
 Hispanic 60 (12) 38 (12) 22 (12)
 White 147 (30) 76 (25)* 71 (40)
Insurance statusc    
 Medicaid 294 (61) 193 (64) 101 (56)
 Commercial 39 (8) 15 (5)* 24 (13)
 Medicare 11 (2.5) 6 (2) 5 (3)
 Uninsured/self pay 113 (23) 71 (22) 42 (24)
Unemployed    
 Homeless (shelter or street)d 80 (16) 64 (21)* 16 (9)
 History of Incarceratione 338 (70) 227 (74)* 111 (62)
 Hepatitis C positive, self-report 152 (31) 95 (30) 57 (40)
 HIV positive, self-report 47 (10) 32 (10) 15 (10)
Opioid use    
 Heroin use, last 7 days 252 (52) 220 (72)* 32 (18)
 Heroin use, lifetime 444 (92) 289 (94)* 155 (87)
 Prescription opioid misuse, last 7 days 105 (22) 88 (29)* 17 (10)
 Prescription opioid Misuse, lifetime 274 (56) 174 (57) 100 (56)
 IV drug use, last 7 days 104 (22) 88 (29)* 16 (9)
 Buprenorphine, previous illicit or licit use 368 (76) 199 (65)* 179 (100)
 Methadone maintenance, previous 295 (61) 191 (62) 104 (63)
 Methadone maintenance, current 26 (7) 26 (8)* 0 (0)
Other drug use    
 Cocaine use, last 7 days 102 (21) 76 (25)* 26 (15)
 Benzodiazepine use, last 7 days 57 (12) 36 (12) 21 (12)
 Cannabis use, last 7 days 83 (17) 53 (17) 30 (18)
 Heavy drinking (>5 drinks per occasion), last 12 months 125 (26) 85 (28) 40 (24)
 Smoking, current 391 (81) 252 (82) 139 (78)
  1. * Indicates baseline demographics that are statistically different (<0.05) between induction patients and patients transferring care, using Fisher’s exact test or Chi square test of independence
  2. aInductions refer to patients offered a new buprenorphine induction prescription. Transfers were existing buprenorphine patients transferring care to our practice and induced elsewhere onto buprenorphine
  3. b Missing data: all patients (n = 138); inductions (n = 85); transfers (n = 53)
  4. cMissing data: all patients (n = 280), inductions (n = 19), transfers (n = 7)
  5. dMissing data: all patients (n = 18), inductions (9), transfers (n = 9)
  6. eMissing data: all patients (n = 85), inductions (46), transfers (n = 39)