Table 2. Incidence rate of loss to follow up by patients characteristics.

Characteristic(s)	Categories	Number of Cases	Person time	Rate/100PYO	95% CI
Overall study group		1180	15807.7	7.5	7.1	7.9
Study Group	ART initiated within 7 days following diagnosis	598	5600.0	10.7	9.9	11.6
	ART initiated after 7 days following diagnosis	582	10207.8	5.7	5.3	6.2
Patient's Sex	Male	434	5943.5	7.3	6.6	8.0
	Female	746	9864.2	7.6	7.0	8.1
Age group (years)	18–24	419	2913.7	14.4	13.1	15.8
	25–29	306	3939.9	7.8	6.9	8.7
	30–39	312	5541.7	5.6	5.0	6.3
	40–49	99	2386.0	4.1	3.4	5.1
	50+	44	1026.4	4.3	3.2	5.8
Patient's Marital Status	Never Married	103	982.2	10.5	8.6	12.7
	Married	477	6554.2	7.3	6.7	8.0
	Divorced/Separated	261	3042.7	8.6	7.6	9.7
	Widowed	14	306.2	4.6	2.7	7.7
	Missing	325	4922.5	6.6	5.9	7.4
Highest Education level attained	None	110	1157.0	9.5	7.9	11.5
	Primary	641	8609.6	7.4	6.9	8.0
	Secondary	311	4356.0	7.1	6.4	8.0
	Post-secondary	30	675.3	4.4	3.1	6.4
	Missing	88	1009.9	8.7	7.1	10.7
Whether Patient has Telephone	No	701	8429.7	8.3	7.7	9.0
	Yes	479	7378.0	6.5	5.9	7.1
Baseline Weight (Kgs)	<45	128	1452.9	8.8	7.4	10.5
	45–60	770	9734.9	7.9	7.4	8.5
	61+	253	4590.7	5.5	4.9	6.2
Baseline BMI	≤18.50	141	1918.3	7.4	6.2	8.7
	18.51–29.99	467	7674.9	6.1	5.6	6.7
	≥30	5	368.0	1.4	0.6	3.3
Baseline CD4 cell count (μ/ml)	<200	254	4344.0	5.8	5.2	6.6
	200–350	276	4165.7	6.6	5.9	7.5
	≥351	457	7195.0	6.4	5.8	7.0
Baseline WHO clinical stage	1&2	998	13911.7	7.2	6.7	7.6
	3&4	173	1892.4	9.1	7.9	10.6
Patient's baseline TB status	No signs	1036	14437.1	7.2	6.8	7.6
	TB Suspect	74	759.8	9.7	7.8	12.2
	TB Diagnosed	36	411.2	8.8	6.3	12.1
	TB Treatment	12	197.7	6.1	3.4	10.7
Baseline ART regimen	ABC based	4	32.9	12.2	4.6	32.4
	AZT based	237	5378.2	4.4	3.9	5.0
	TDF based	938	10382.2	9.0	8.5	9.6
	Other	1	14.4	6.9	1.0	49.2