Table 2 Factors associated with HIV self-testing among adolescents and adults aged 15–64 years who participated in the 2018 Kenya Population-Based HIV Impact Assessment –(KENPHIA)

Sex

 Female

14,636

530 (3.8)

ref^a

 Male

8945

407 (4.5)

1.2 (1.0–1.4)

0.08

Residence

 Urban

14,259

457 (3.4)

ref^a

 Rural

9322

480 (5.2)

1.6 (1.2–1.9)

 < .001

0.75

Age, years

 15–19

2638

68 (2.5)

ref^a

 20–24

3493

198 (6.2)

2.6 (1.9–3.6)

 < .001

0.18

 25–29

3628

209 (6.0)

2.5 (1.7–3.6)

 < .001

0.38

 30–34

3675

153 (3.9)

1.6 (1.1–2.3)

0.01

0.58

 35–39

2749

97 (3.4)

1.4 (0.9–2.1)

0.10

0.16

 40–49

4099

135 (3.0)

1.2 (0.9–1.8)

0.23

0.21

  ≥ 50

3299

77 (2.7)

1.1 (0.7–1.6)

0.67

0.03

Education

 No primary

1859

41 (2.5)

ref^a

 Incomplete Primary

11,147

297 (2.6)

1.5 (1.0–2.2)

0.78

0.63

 Complete Primary

7283

286 (3.6)

1.5 (1.0–2.2)

0.04

0.16

 Secondary

3274

313 (9.9)

4.3 (2.9–6.3)

 < .001

 < .001

Marital status

 Never married

1122

30 (3.0)

ref^a

 Monogamous

1869

86 (4.5)

1.5 (0.9–2.6)

0.09

 Polygamous

5017

226 (4.1)

1.4 (0.8–2.3)

0.20

 Divorced/separated

340

17 (5.3)

1.8 (0.8–4.2)

0.14

 Widowed

5820

277 (5.3)

1.8 (1.1–3.0)

0.02

Wealth quintiles

 First (lowest)

5348

117 (2.2)

ref^a

 Second

5130

150 (3.0)

1.4 (1.1–1.8)

0.02

0.1

 Third

5122

200 (4.1)

1.9 (1.4–2.6)

 < .001

 < .001

 Fourth

4684

238 (4.6)

2.2 (1.6–2.9)

 < .001

1.6 (1.1–2.2)

 < .001

 Fifth (highest)

3294

232 (6.6)

3.1 (2.2–4.5)

 < .001

 < .001

Sex in the past 12 months

 No

6596

203 (3.2)

ref^a

 Yes

16,985

734 (4.5)

1.4 (1.1–1.8)

 < 0.001

0.54

Lifetime sexual partners

 0

1513

31 (2.1)

ref^a

 1

8002

276 (3.7)

1.8 (1.1–3.0)

0.02

0.04

  ≥ 2

12,505

558 (4.6)

2.2 (1.4–3.6)

 < .001

2.1 (1.2–3.7)

0.01