Table 2 Logistic regression models of determinants of breastfeeding cessation by 12 weeks with unadjusted and adjusted odds ratios (OR) with 95% confidence intervals

Breast problem or infection between birth and 6 weeks

No

130/715 (18.2)

1

1

1

Yes

38/90 (42.2)

3.2 (2.0 -5.3)

3.0 (1.7 -5.4)

3.1 (1.7 -5.7)

Missing

37/148 (25.0)

1.5 (1.0 2.2)

1.4 (0.9 – 2.1)

1.4 (0.9 – 2.3)

Antenatal feeding intention

EBF

63/390 (15.9)

1

1

1

PBF/MF

71/404 (17.6)

1.1 (0.7 – 1.6)

1.2 (0.8 – 1.6)

1.3 (0.9 – 1.8)

Not BF

51/94 (54.3)

6.2 (3.8 – 10.2)

5.6 (3.5 – 8.7)

5.6 (3.4 – 9.4)

Don’t know

9/21 (42.9)

3.9 (1.6 – 9.8)

3.9 (1.5 – 9.7)

4.1 (1.5 – 10.8)

Mothers HIV status

Negative

178/888 (20.1)

1

1

1

Positive

27/66 (40.9)

2.7 (1.6 – 4.6)

1.7 (0.9 – 3.0)

1.7 (1.0 – 2.8)

Mother earns money for herself

No

115/620 (18.6)

1

1

Yes

84/295 (28.5)

1.7 (1.2 - 2.4)

1.9 (1.3 – 2.8)

Mothers age

≤ 24

127/572 (22.2)

1

25–29

42/191 (21.3)

0.9 (0.7 – 1.5)

30–34

23/103 (22.3)

1.0 (0.6 – 1.7)

≥ 35

13/85 (15.3)

0.6 (0.3 – 1.2)

Mothers education

Some primary school

18/97 (18.6)

1

Some high school

112/571 (19.6)

1.1 (0.6 – 1.9)

Completed high school

61/240 (25.4)

1.5 (0.8 – 2.7)

Tertiary education

13/37 (35.1)

2.3 (1.0 – 5.5)

Marital status

Married

40/231 (17.3)

1

Cohabiting

21/80 (26.3)

1.7 (0.9 – 3.1)

Single/ divorced/ widowed/ separated

144/640 (22.5)

1.4 (0.9 – 2.0)

SES quintile

1 (poorest)

26/170 (15.3)

1

2

27/170 (15.9)

1.0 (0.58 – 1.8)

3

41/195 (21.0)

1.4 (0.8 – 2.5)

4

46/204 (22.6)

1.6 (0.9 – 2.7)

5 (least poor)

50/191 (26.2)

1.9 (1.1 – 3.3)

Electricity in the house

No

24/149 (16.1)

1

Yes

181/805 (22.5)

1.5 (0.9 – 2.4)

Study site

Paarl

59/326 (18.1)

1

1

Rietvlei

51/269 (19.3)

1.1 (0.7 – 1.6)

1.0 (0.6 – 1.8)

Umlazi

94/357 (26.3)

1.6 ( 1.1 – 2.3)

1.1 (0.6 – 1.8)

Study arm

Control

105/463 (22.7)

1

1

Intervention

100/490 (20.4)

0.8 (0.6 – 1.3)

1.0 (0.7 – 1.4)