The SUMMIT ambulatory-ICU primary care model for medically and socially complex patients in an urban federally qualified health center: study design and rationale

Table 1 Participant timeline and assessments (per SPIRIT guidelines) [50]

Timepoint*	Study period
	Enrollment/allocation	Post-allocation			Close–out
	− t₁ = 0	6 months	12 months	18 months	18 months
Enrollment
Eligibility screen	X
Informed consent	X
Baseline 1	X
Allocation	X
Interventions
Immediate		X	X
Wait-list			X	X
Assessments
Baseline 1 and 2
“Please choose the number that best describes how you feel?” (0–10) [32]	X	X	X	X	X
PHQ-9 [38]	X
AUDIT 10 [40]	X
Self reported alcohol use disorder history	X
DAST [40]	X
Self report substance use disorder history	X
Tobacco use	X
Self reported falls over 6 months	X
Telephone interview for cognitive status (TICS14) [51]	X
Health Literacy 3 item questionnaire [36]	X
ESSI 7 social support questionnaire [20]	X
Food security 2 [3, 7]	X
Income source	X
Education	X
Race-ethnicity	X
Housing status	X	X	X	X	X
Outcomes
ED visits 6 months prior	X	X	X	X	X
Hospitalizations 6 months prior	X	X	X	X	X
PAM-13 [29]	X	X	X	X	X
CAHPS-10 [52]	X	X	X	X	X
SF-12v2 [31]	X	X	X	X	X
Chaos Scale 6 [33]	X	X	X	X	X
Mortality/death	X	X	X	X	X

PHQ patient health questionnaire, AUDIT alcohol use disorder identification test, DAST drug abuse screening test, TICS telephone interview for cognitive status, ESSI Enriched social support instrument, ED emergency department, PAM patient activation measure, CAHPS consumer assessment of healthcare providers and systems, SF-12 short form health survey

ISSN: 1940-0640