TABLE 1—

Overview of Study Characteristics: IMPACT and DREAM Studies, New York City, 2011–2019

	IMPACT	DREAM
Disease focus	Hypertension	Diabetes
Recruitment setting	Community-based primary care practices (n = 14) in New York City primarily serving South Asians	Safety-net hospitals in New York City (n = 2) and community-based primary care practices (n = 2)
Recruitment process	(1) Identified through EHR and mailed a recruitment letter; (2) tabling and outreach at sites; (3) referral by provider	(Same as for IMPACT)
Eligibility criteria	(1) South Asian ethnicity (defined as self-identified Asian Indian, Bangladeshi, Pakistani, Nepali, Sri Lankan, or of Indo-Caribbean descent); (2) hypertension diagnosis through EHR or uncontrolled BP reading; (3) aged 18–85 years; (4) not pregnant at screening	(1) Self-identified as Bangladeshi; (2) physician diagnosis of type 2 diabetes verified through patient medical record; (3) aged 21–85 years
Randomization	After outreach by CHW, consent and completion of session 1	(Same as for IMPACT)
CHW curriculum: group-based educational sessions	5 monthly, 60-minute, group-based health education sessions delivered in English or South Asian language by a CHW using a culturally adapted curriculum over the 6-month study period (treatment); 1 60-minute group-based health education session delivered in English or South Asian language by a CHW using a culturally adapted curriculum at the start of the study period (control)	(Same as for IMPACT)
CHW curriculum: coaching and goal-setting follow-up	10 biweekly follow-up calls for action-planning and goal-setting to improve hypertension management, conducted by CHWs in participants’ preferred language using standardized scripts and documentation forms	2 in-person 1-on-1 visits for action-planning and goal-setting to improve diabetes management, conducted by CHWs in participants’ preferred language using standardized documentation tools
CHW training	Core competency-based training, 105 hours3	(Same as for IMPACT)
CHW characteristics	3 women and 3 men	2 women and 2 men
Languages used to deliver curriculum	Bengali, Punjabi, Urdu–Hindi, English	Bengali, English
Session location	Community-based primary care practices and community organizations	Safety-net hospitals, community-based primary care practices, and community organizations
In-person data collection	Surveys and BP collected at baseline and months 3 and 6, with both treatment and control groups by CHWs	(Same as for IMPACT)

Note. BP = blood pressure; CHW = community health worker; EHR = electronic health record; PCP = primary care practice.