TABLE 2.

Associations Between Other Factors and Undetectable Viral Load Levels Among Children

Characteristics	Overall (N = 1584) n (%)	Undetectable Viral Load (N = 898) n (%)	PR (95% CI)	*aPR †(95% CI)	P (Adjusted analysis)
Age (yr)			‡1.01 (1.00–1.03)
<2	83 (5)	44 (53)
2–9	705 (46)	380 (54)
≥10	734 (48)	440 (60)
Sex
Female	771 (49)	461 (60)	Reference
Male	813 (51)	437 (54)	0.9 (0.82–0.98)
Duration since ART initiation (yr)			‡1.02 (1.01–1.04)
≤5	1161 (73)	644 (55)
>5	422 (27)	168 (60)
Adherence (Past 30 days)
≥95% adherent	1217 (77)	716 (59)	Reference	Reference
Missed ≥ 2 days	367 (23)	182 (50)	0.84 (0.75–0.94)	0.85 (0.74–0.96)	0.012
School enrollment
In school	1361 (86)	780 (57)	Reference	Reference
Dropped out of school	223 (14)	118 (53)	0.92 (0.81–1.05)	0.96 (0.84–1.09)	0.469
In a boarding school
No	1422 (96)	808 (57)	Reference	Reference
Yes	63 (4)	39 (62)	1.09 (0.89–1.33)	1.07 (0.90–1.27)	0.483
Know HIV status (≥10 years) N = 598
No	204 (34)	127 (62)	Reference	Reference
Yes	394 (66)	229 (58)	0.93 (0.82–1.07)	0.93 (0.79–1.08)	0.316
In a support group (those who knew their HIV status) N = 351
No	196 (56)	121 (62)	Reference	Reference
Yes	155 (44)	78 (50)	0.82 (0.67–0.99)	0.81 (0.68–0.96)	0.026
Household food insecurity
Food secure	1018 (64)	594 (58)	Reference	Reference
Food insecure	566 (36)	304 (54)	0.92 (0.84–1.01)	0.92 (0.83–1.02)	0.101
Caregiver depression	2 (2–3)
No depressive symptoms	1048 (66)	592 (56)	Reference	Reference
Depressive symptoms	536 (34)	306 (57)	1.01 (0.92–1.11)	1.03 (0.92–1.15)	0.612

Differences in n for different variables and the overall N are due to missing values.

^*aPR: prevalence ratios adjusted for sex and duration on ART.

^†Bootstrapped 95% CIs and P values to account for clustering by facility.

^‡Predictor variable was in continuous form.