Table 3.

Factors associated with LTFU among youth accessing outpatient HIV care and treatment services in Kisumu, Kenya, July 2007-September 2010.

Covariate	Univariate analysis			Adjusted/Multivariable analysis
	HR	p	95% CI	AHR	p	95% CI
Youth-focused site
No*	1			1
Yes	1.03	0.82	[0.83–1.27]	1.09	0.56	[0.80–1.50]
Age at enrolment (years)
<20*	1			1
≥20	1.07	0.51	[0.88–1.31]	0.94	0.62	[0.72–1.22]
Became pregnant during the study				1
No*	1
Yes	0.68	0.005	[0.53–0.89]	1.10	0.63	[0.75–1.61]
Males	0.97	0.78	[0.54–1.24]	1.08	0.63	[0.80–1.46]
Marital status at enrolmenta
Not married*	1			1
Married/partnered	1.15	0.25	[0.91–1.45]	0.84	0.23	[0.62–1.12]
Currently working at enrolment
No*	1			1
Yes	1.22	0.39	[0.78–1.89]	0.99	0.99	[0.59–1.67]
Baseline CD4 count (cells/mm3)b
<250*	1			1
250–349	0.84	0.40	[0.57–1.25]	0.63	0.071	[0.39–1.04]
≥350	0.84	0.19	[0.66–1.09]	0.59	0.015	[0.39–0.90]
Baseline WHO stagec
Stage I/II*	1			1
Stage III/IV	1.04	0.77	[0.81–1.33]	1.20	0.29	[0.86–1.67]
Education level at enrolmentd
None*	1			1
Primary	0.97	0.95	[0.66–2.61]	1.44	0.47	[0.53–3.93]
Secondary	1.00	1.00	[0.37–2.72]	1.06	0.90	[0.38–2.95]
Tertiary	0.94	0.92	[0.31–2.87]	0.66	0.50	[0.19–2.22]
ART status at LTFU
Ever started*	1			1
Never started	1.52	<0.001	[1.22–1.89]	4.0	<0.001	[2.70–5.88]
Disclosed HIV infection statuse
Yes*	1			1
No	1.22	0.074	[0.98–1.52]	1.43	0.008	[1.10–1.89]

^*Reference category.

^aMarital status was missing for 158 patients (17%).

^bCD4 cell count was missing for 132 patients (14%).

^cWHO staging was missing for 15 patients (2%).

^dEducational status was missing for 90 patients (10%).

^eDisclosure status was missing for 65 patients (7%).