Table 3: Pooled Multivariate logistic regression for factors associated with HIV testing uptake among women aged 15-24 years across 2 surveys

	Phase 1	Phase 2
Surveys	2003/04-2007/08	2007/08-2011/12
	HIV testing uptake
	OR (95% CI)	OR (95% CI)
Characteristics
Survey year	8.71 (6.80 - 11.15)	1.34 (1.11 - 1.61)
Age (year)
15 -19	1.0	1.0
20 – 24	1.02 (0.80 - 1.30)	1.27 (1.07 - 1.50)**
Residence
Urban	1.0	1.0
Rural	0.46(0.36 - 0.58)***	0.53(0.44 - 0.63)***
Region
South West Highlands Zone	1.0	1.0
Central Zone	1.35 (0.83 – 2.19)	1.50 (1.06 -2.14)**
Lake zone	1.34 (0.89 – 2.02)	1.15 (0.87 - 1.53)
Northern Zone	2.13 (1.42– 3.19)***	1.94 (1.34–2.83)**
Eastern Zone	1.89 (1.25 -2.85)**	1.74 (1.27–2.39)**
Western Zone	3.15 (2.06 – 4.83)***	2.65 (1.85–3.80)***
Southern Highlands Zone	2.08 (1.34–3.23)**	2.19 (1.59– 3.02)***
Southern Zone	1.44 (0.84 – 2.46)	1.72 (1.07 – 2.77)**
Educational level
No education	1.0	1.0
Primary	1.90(1.46 - 2.46)***	1.99(1.57 - 2.52)***
Secondary and above	5.46(3.76 - 7.94)***	4.81(3.48 - 6.63)***
Marital status
Not Never married	1.0	1.0
Ever Married	1.49(1.15 - 1.92)**	1.36(1.13 - 1.64)***
Number sex partners in lifetime
0	1.0	1.0
One	4.44(3.21 - 6.15)***	3.88(3.09 - 4.88)***
Two	4.74(3.30 - 6.82)***	4.59(3.52 - 5.99)***
More than two	4.62(3.12 - 6.84)***	4.77(3.55 - 6.40)***
Blood test result
HIV negative	1.0	1.0
HIV positive	0.86 (0.55 - 1.35)	1.14 (0.74 - 1.75)
Currently working
Not working	1.0	1.0
Working	0.99 (0.79 - 1.26)	1.09 (0.91 – 1.32)
Had STI in last 12 months?
No	1.0	1.0
Yes	1.62 (0.97–2.77)	1.54 (0.97 – 2.44)
Birth and attended ANC
No birth <2 years preceding the survey	1.0	1.0
Had birth within 2 years and attended ANC	1.47(1.18 - 1.83)**	3.10(2.60 - 3.69)***
Had birth within 2 years but not attended ANC	1.22(0.48 - 3.10)	1.51(0.83 - 2.75)

*= significant at 0.05 **= significant at 0.01 ***=Significant at <0.001