Table 2.
Logistic regression models of determinants of breastfeeding cessation by 12 weeks with unadjusted and adjusted odds ratios (OR) with 95% confidence intervals
| n(%) stopping breastfeeding by 12 weeks | Unadjusted crude OR (95% CI) | Model 1 Adjusted OR (95% CI) | Model 2 Final adjusted OR (95% CI) | |
|---|---|---|---|---|
| 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) | |
All factors are cluster adjusted.