Table 3. Cox regression analysis of predictors of Gaps in Care (Death as a censoring event).

		Univariable Cox Model		Multivariable Cox Model
		Hazard Ratio (95% CI)	P value	Hazard Ratio (95% CI)	P value
Gender	Female (REF)
	Male	1.10 (0.90--1.33)	0.34	---	---
Age (years)	> 45 (REF)
	35-45	1.23 (0.95--1.59)	0.11	1.05 (0.88--1.24)	0.61
	25-35	1.48 (1.14--1.92)	<.01	1.14 (0.95--1.37)	0.16
	< 25	2.29 (1.73--3.03)	<.01	1.35 (1.09--1.68)	<0.01
Registration Yr	2004 (REF)
	2005	0.73 (0.53--1.00)	0.05	1.11 (0.88--1.40)	0.36
	2006	0.80 (0.61--1.05)	0.10	1.01 (0.83--1.22)	0.96
	2007	0.84 (0.61--1.16)	0.30	1.02 (0.80--1.31)	0.85
	2008	0.91 (0.66--1.25)	0.56	0.99 (0.77--1.27)	0.95
	2009	0.99 (0.74--1.33)	0.96	1.14 (0.91--1.41)	0.26
	2010	0.70 (0.43--1.13)	0.14	0.93 (0.65--1.35)	0.72
Hispanic	Yes (REF)
	No	1.39 (1.09--1.76)	0.01	0.99 (0.85--1.17)	0.94
Race	White (REF)
	Black	1.18 (0.98--1.43)	0.08	1.10 (0.94--1.28)	0.25
	Others	1.12 (0.75--1.66)	0.58	1.38 (1.04--1.82)	0.03
Education	< 12 years (REF)
	High school grad	0.76 (0.58--0.98)	0.04	0.96 (0.80--1.15)	0.67
	Some college	1.12 (0.90--1.41)	0.32	1.04 (0.87--1.26)	0.66
	College grad	0.96 (0.73--1.26)	0.78	0.98 (0.79--1.21)	0.87
Origin in US	No (REF)
	Yes	1.14 (0.95--1.37)	0.16	---	---
AIDS status	Yes (REF)
	No	1.47 (1.23--1.76)	<.01	1.03 (0.85--1.26)	0.74
Substance abuse	No (REF)
	Yes	1.23 (1.02--1.47)	0.03	0.95 (0.82--1.11)	0.54
Homeless	No (REF)
	Yes	1.29 (1.05--1.58)	0.02	1.03 (0.87--1.21)	0.75
Incarceration	No (REF)
	Yes	1.62 (1.18--2.23)	<.01	1.31 (0.98--1.75)	0.07
Psychiatric Illness	No (REF)
	Yes	1.02 (0.84--1.25)	0.84	---	---
CD4 (/mL)	< 200 (REF)
	200-500	1.44 (1.14--1.82)	<.01	0.97 (0.79--1.20)	0.80
	>500	1.71 (1.34--2.18)	<.01	1.02 (0.80--1.31)	0.88
ART in Year 1	Yes (REF)
	No	1.42 (1.18--1.71)	<.01	1.21 (1.01--1.58)	0.05
MSM	No (REF)
	Yes	1.06 (0.88--1.27)	0.54	---	---
IDU	No (REF)
	Yes	1.07 (0.66--1.74)	0.79	---	---
PVL*	Undetectable (RFE)
	Detectable	1.47 (1.24--1.74)	<.01	1.01 (0.86--1.20)	0.87
	Unavailable	9.51 (3.88--23.3)	<.01	1.67 (0.20--14.2)	0.64
Prior Gap	No (REF)
	Yes	2.49 (2.26--2.74)	<.01	2.41 (2.20--2.64)	0.00