Table 3 HIV prevalence by reported HIV self-testing and socio-demographic and behavioral characteristics among adolescents and adults aged 15–64 years (N = 21,470) who participated in the 2018 Kenya Population-Based HIV Impact Assessment (KENPHIA)
Characteristic | HIV prevalence | ||||||
|---|---|---|---|---|---|---|---|
Ever Self-tested | Never Self-tested | P-value* | |||||
HIV-infected/n | % | 95% CI | HIV-infected/n | % | 95% CI | ||
Total | 50/807 | 4.9 | (3.1–6.7) | 1394/20663 | 6.0 | (5.5–6.4) | 0.265 |
Sex | |||||||
Male | 18/352 | 4.4 | (1.8–7.1) | 383/7719 | 4.2 | (3.6–4.7) | 0.821 |
Female | 32/455 | 5.3 | (3.1–7.6) | 1011/12944 | 7.4 | (6.8–8.0) | 0.100 |
Residence | |||||||
Urban | 17/401 | 3.0 | (0.9–5.1) | 564/7915 | 5.5 | (4.8–6.3) | 0.070 |
Rural | 33/406 | 6.8 | (3.9–9.7) | 830/12748 | 6.2 | (5.6–6.9) | 0.676 |
Age, years | |||||||
15–19 | 0/60 | - | - | 40/2366 | 1.5 | (0.9–2.1) | † |
20–24 | 7/169 | 2.0 | (0.0–4.1) | 80/2980 | 2.3 | (1.7–3.0) | 0.780 |
25–29 | 10/181 | 4.0 | (1.2–6.8) | 163/3081 | 4.6 | (3.7–5.5) | 0.672 |
30–34 | 12/134 | 7.2 | (2.6–11.8) | 252/3201 | 6.8 | (5.8–7.9) | 0.866 |
35–39 | 2/83 | 2.8 | (0.0–6.8) | 192/2416 | 7.0 | (5.7–8.3) | 0.169 |
40–49 | 9/114 | 8.2 | (2.5–14.0) | 378/3628 | 10.5 | (9.2–11.9) | 0.473 |
≥ 50 | 10/66 | 17.1 | (3.3–30.8) | 289/2991 | 9.6 | (8.1–11.1) | 0.177 |
Education | |||||||
No primary | 3/37 | 8.0 | (0.0–17.4) | 107/1652 | 8.8 | (6.6–11.1) | 0.866 |
Incomplete Primary | 32/260 | 12.9 | (7.9–17.9) | 893/10111 | 8.0 | (7.3–8.6) | 0.015 |
Complete Primary | 11/252 | 2.9 | (0.9–4.9) | 310/6325 | 4.3 | (3.7–4.9) | 0.259 |
Secondary | 4/258 | 0.5 | (0.0–0.9) | 83/2560 | 2.5 | (1.8–3.3) | < 0.001 |
Marital Status | |||||||
Never married | 5/231 | 0.9 | (0.0–1.8) | 178/4987 | 2.6 | (2.1–3.2) | 0.016 |
Monogamous | 14/192 | 6.1 | (2.5– 9.6) | 246/4331 | 5.0 | (4.2–5.8) | 0.502 |
Polygamous | 2/17 | 10.7 | (0.0–26.0) | 28/294 | 9.3 | (5.7–12.9) | 0.850 |
Divorced/separated | 11/78 | 14.0 | (2.4–25.7) | 174/1643 | 10.9 | (9.1–12.7) | 0.557 |
Widowed | 3/23 | 14.4 | (0.0–31.6) | 267/1022 | 28.0 | (24.6–31.5) | 0.198 |
Household Wealth | |||||||
First (lowest) | 12/108 | 13.4 | (5.7–21.1) | 322/4846 | 6.6 | (5.5–7.6) | 0.012 |
Second | 10/128 | 5.4 | (1.7–9.0) | 348/4654 | 6.8 | (5.8–7.7) | 0.480 |
Third | 14/177 | 7.1 | (2.9–11.2) | 336/4543 | 6.8 | (5.7–8.0) | 0.910 |
Fourth | 11/202 | 3.1 | (0.7–5.4) | 262/3996 | 5.4 | (4.5–6.3) | 0.123 |
Fifth (highest) | 3/192 | 2.0 | (0.0–4.9) | 125/2622 | 4.0 | (3.0–5.0) | 0.323 |
Lifetime sexual partners | |||||||
0 | 0/22 | - | - | 24/1314 | 1.9 | (0.9–2.9) | † |
1 | 10/238 | 3.2 | (0.5–5.9) | 266/6956 | 3.6 | (2.9–4.2) | 0.779 |
≥ 2 | 33/485 | 5.0 | (2.9–7.1) | 1015/11069 | 7.7 | (7.0–8.3) | 0.030 |
Age at first sex, years | |||||||
< 15 | 12/99 | 8.6 | (2.6–14.7) | 228/2454 | 7.6 | (6.3–8.8) | 0.706 |
15–19 | 29/446 | 5.9 | (3.3–8.5) | 812/10896 | 6.5 | (5.9–7.2) | 0.626 |
20–24 | 6/179 | 2.0 | (0.0–4.1) | 220/4037 | 4.9 | (4.1–5.8) | 0.062 |
≥ 25 | 1/35 | 1.7 | (0.0–4.2) | 47/1045 | 4.7 | (2.9–6.5) | 0.147 |