Table 1. Characteristics of respondents with samples that were successfully genotyped and those that were not.

	DRT successful n = 697	DRT unsuccessful n = 363
	% (95% CI)	% (95% CI)	p value
Sex
Male	69.3 [62.2–75.7]	30.7[24.3–37.8]	0.141
Female	63.1[57.8–68.1]	36.9 [31.9–42.2]
Age category (years)
0–14	35.6 [22.8–50.8]	64.4 [49.2–77.2]	<0.001
15–24	66.3 [54.6–76.3]	33.7 [23.7–45.4]
25+	68.2 [63.2–72.7]	31.8 [27.3–36.8]
ARV status
ARV–ve	70.8 [65.8–75.4]	29.2 [24.6–34.2]	P<0.001
ARV +ve	45.7 [37.0–54.6]	54.3 [45.4–63.0]
Locality type
Urban	66.6[60.9–71.9]	33.4 [28.1–39.1]	0.436
Rural/informal (tribal areas)	61.9 [54.1–69.1]	38.1 [30.9–45.9]
Rural (farms)	72.8 [53.7–86.1]	27.2 [13.9–46.3]

# Weighted percentages; ARV- Antiretrovirals.