Table 1

Summary of characteristics comparing active* patients who were screened or not screened for social needs between 10 April 2018 and 8 December 2019 (n=244 764)

		n	Screening %	95% CI	P value†
Age	<0–5 years	32 038	25.98	25.50 to 26.47	<0.0001
	6–11 years	26 268	23.60	23.08 to 24.11
	12–17 years	23 536	21.91	21.38 to 22.44
	18–24 years	18 283	23.33	22.71 to 23.94
	25–44 years	47 263	19.61	19.25 to 19.97
	45–64 years	60 183	18.64	18.33 to 18.96
	≥65 years	37 193	23.29	22.86 to 23.72
Sex	Male	100 395	21.65	21.39 to 21.90	0.6667
Sex	Female	144 369	21.72	21.51 to 21.93
Race/ethnicity	Hispanic	88 615	23.27	22.99 to 23.55	<0.0001
	NH black	69 593	20.77	20.47 to 21.07
	NH white	14 053	14.47	13.89 to 15.06
	NH API	5412	18.70	17.66 to 19.74
	NH AIAN	966	16.15	13.83 to 18.47
Language	English	197 801	21.37	21.19 to 21.55	<0.0001
	Spanish	35 458	23.51	23.07 to 23.95
	Other	7630	17.51	16.66 to 18.36
Insurance	Commercial	83 242	20.46	20.19 to 20.74	<0.0001
	Medicaid	102 333	23.71	23.45 to 23.98
	Medicare	39 755	22.46	22.05 to 22.87
FQHC	No	158 454	18.60	18.41 to 18.79	<0.0001
FQHC	Yes	86 310	27.37	27.07 to 27.66
NYC Public Housing	No	186 648	22.63	22.44 to 22.82	<0.0001
NYC Public Housing	Yes	21 903	26.71	26.12 to 27.29
Poverty category	Q1	47 049	18.64	18.28 to 18.99	<0.0001
	Q2	46 917	19.65	19.29 to 20.01
	Q3	47 100	22.29	21.91 to 22.66
	Q4	47 156	23.59	23.20 to 23.97
	Q5	47 076	24.55	24.16 to 24.94
Specialty type	Paediatrics	79 377	26.25	25.94 to 26.56	<0.0001
	Family medicine	39 598	18.31	17.93 to 18.69
	Internal medicine	125 789	19.88	19.66 to 20.10
Site type	Group	115 804	18.01	17.79 to 18.23	<0.0001
	Neighbourhood	31 671	29.58	29.07 to 30.08
	Teaching	97 289	23.50	23.24 to 23.77
Active provider tercile	Small	86 291	22.21	21.93 to 22.48	<0.0001
	Medium	82 072	22.83	22.54 to 23.11
	Large	76 401	19.89	19.61 to 20.17
CHW at practice providing social service referrals	None	69 869	15.24	14.97 to 15.51	<0.0001
	Yes	49 019	12.65	12.35 to 12.94
	Yes, SDH focused	125 876	28.80	28.54 to 29.05

*Active patients: this included patients who presented for care at least once during time period.
†this includes 1.8% of active patient population that refused.
AIAN, American Indian/Alaska Native; API, Asian Pacific Islander; CHW, community health worker; FHQC, federally qualified health centre; NH, non-Hispanic; NYC, New York City; SDH, social determinant of health.