Table 3.b.

Prediction of Emergency Department visits at 1 year post-baseline.

Outcome	1+ ED visits
Model	I.1.a Psychosocial factors alone	I.1.b PS, demographics, and MWI	I.1.c. PS, demographics, prior utilization, MWI
Likelihood Ratio (df)	1252.5 (4)	2437.9 (17)	3817.9 (21)
C-stat	0.65	0.77	0.81
Hosmer-Lemeshow p		0.0036	<.0001
Variables
Psychosocial factors
Homelessness	2.24 (2.01–2.5) *	1.92 (1.72–2.15) *	1.48 (1.31–1.67) *
Social isolation	1.53 (1.18–1.99) *	1.2 (0.91–1.59)	1.06 (0.78–1.44)
Chronic Stress	2.77 (2.57–2.98) *	2.09 (1.93–2.26) *	1.73 (1.59–1.88) *
Financial insecurity	1.27 (1.14–1.4) *	1.19 (1.07–1.32) *	1.12 (1–1.26) *
Age (ref 66–70)
71–75		0.72 (0.65–0.79) *	0.75 (0.68–0.83) *
76–80		0.68 (0.61–0.76) *	0.73 (0.65–0.81) *
81–85		0.75 (0.66–0.85) *	0.78 (0.69–0.89) *
86–90		1.04 (0.91–1.19)	1.07 (0.93–1.23)
91+		1.43 (1.25–1.64) *	1.36 (1.18–1.56) *
Race/ethnicity (ref White)
Native American		0.93 (0.57–1.53)	0.84 (0.5–1.4)
Asian		1.01 (0.81–1.25)	1.04 (0.84–1.29)
Black		1.83 (1.43–2.33) *	1.65 (1.27–2.14) *
Hispanic		1.48 (1.21–1.83) *	1.34 (1.08–1.67) *
Multiracial		1.19 (0.81–1.75)	1.08 (0.72–1.63)
Pacific Islander		1.48 (0.72–3)	1.18 (0.55–2.55)
Female		0.96 (0.89–1.03)	0.98 (0.91–1.05)
Multimorbidity weighted index		1.08 (1.08–1.08) *	1.07 (1.07–1.08) *
Hospitalization before baseline			0.91 (0.84–0.99)
… during baseline			1.06 (1.01–1.11) *
Previous ED visit			1.38 (1.27–1.51) *
… during baseline			2.22 (2.11–2.34) *