Table 4. Mean child age at diagnosis estimated from unadjusted and adjusted GEE models.

Variable	Unadjusted			Adjusted
	Mean	95% CI	p-value	Mean	95% CI	p-value
Country			0.0041			0.0074
Kenya	5.01	(3.84, 6.17)		5.73	(4.71, 6.76)
Uganda	2.97	(2.22, 3.73)		3.84	(2.87, 4.81)
Caregiver’s education status			0.79			N/A
None	3.30	(1.67, 4.93)
Some or all primary	3.86	(3.09, 4.63)
Secondary or more	3.51	(2.28, 4.73)
Caregiver's relationship to child			<0.0001			<0.0001
Mother	2.76	(2.12, 3.40)		3.12	(2.42, 3.83)
Other	6.01	(4.75, 7.26)		6.45	(5.28, 7.62)
Caregiver currently on ART			0.68			N/A
Yes	3.37	(2.67, 4.08)
No	3.10	(1.72, 4.47)
Mother diagnosed as HIV+ after delivery			0.21			N/A
No	2.45	(1.49, 3.42)
Yes	3.03	(2.34, 3.71)
Presence child symptoms/OIs			0.18			0.38
No	3.39	(2.56, 4.23)		4.60	(3.68, 5.53)
Yes	4.09	(3.17, 5.01)		4.97	(4.25, 5.69)
Health facility location			0.94			N/A
Rural	3.70	(2.78, 4.62)
Urban	3.76	(2.68, 4.84)
Health facility level			0.06			0.39
Low (dispensaries, health centers)	3.27	(2.44, 4.10)		4.46	(3.58, 5.34)
High (hospitals)	4.69	(3.46, 5.91)		5.11	(3.93, 6.30)