Variables

DBS result

COR (95% CI)

AOR (95% CI)

Negative

Positive

Age at DBS tested

At 6 months

104

6

1

1

After 6 months

286

38

2.3 (1.4, 4.9)^*

1.3 (1.1, 10.1)^*

Maternal age

15 - 24

83

12

1

1

25 - 34

234

26

1.7 (0.6, 4.6)

1.3 (0.2, 6.7)

35+

73

6

1.3 (0.5, 3.4)

0.5 (0.1, 3.0)

Maternal education

Unable read & write

211

40

8.4 (2.9, 14.8)^*

4.2 (0.8,21.4)

Able to read & write

179

4

1

1

Place of delivery

Health facility

337

14

1

1

Home

53

30

10.6 (3.5, 13.8)^*

6.1 (2.1, 18.6)^*

Infant ARV prophylaxis

Yes

314

14

1

1

No

76

30

8.8 (4.4, 17.5)^*

6.7 (2.9, 23.1)^*

Feeding practice

EBF

374

28

1

1

MF

16

16

12.4 (6.0, 18.1)^*

8.8 (4.5, 22.8)^*

Enrollment

Yes

370

32

1

1

No

20

12

6.9 (3.1, 15.4)^*

2.5 (0.6, 10.1)

Mothers’ treatment

ART

245

10

1

1

ARV prophylaxis

110

12

2.6 (1.1, 6.3)^*

3.1 (0.7, 12.8)

None

15

10

16.0 (6.8, 24.9)^*

21.6 (14.5, 39.8)^*

Duration of treatment

>4 weeks

330

8

1

1

≤4 weeks

25

14

23 (8.8, 39)^*

12 (4.2, 45)