Table 6.
Effects of in-hospital infant feeding practices on breastfeeding cessation.
| Variable | Breastfeeding duration from KM analyses | Unadjusted Cox HR | P value | Adjusted Cox HRΦ | P value | |
|---|---|---|---|---|---|---|
| Mean (95% CI) |
Median (95% CI) |
(95% CI) | (95% CI) | |||
| Breastfeeding initiation | ||||||
| Within 1 hr | 22.2 (21.31 to 23.08) | 27 (25.70 to 28.29) | 1† | - | - | - |
| After 1 hr | 20.3 (18.83 to 21.77) | 24 (20.91 to 27.09) | 1.24 (1.08 to 1.42) | 0.0028 | - | - |
| ▪ After 1 hr to 48 hrs | 20.3 (18.95 to 21.61) | 25 (23.49 to 26.51) | 1.20 (1.04 to 1.39) | 0.0128 | - | - |
| ▪ After 48 hrs | 18.0 (13.43 to 22.57) | 17 (8.40 to 25.59) | 1.52 (1.07 to 2.17) | 0.0195 | - | - |
| Formula in hospital | ||||||
| No formula | 22.8 (21.86 to 23.68) | 27 (26.08 to 27.92) | 1† | - | 1† | - |
| Formula | 17.7 (16.53 to 18.89) | 17 (13.94 to 20.06) | 1.56 (1.36 to 1.78) | < 0.0001 | 1.50 (1.26 to 1.79) | < 0.0001 |
| ▪ Yes (informed choice) | 19.7 (17.56 to 21.87) | 20 (14.40 to 25.59) | 1.73 (1.44 to 2.07) | < 0.0001 | 1.91 (1.49 to 2.44) | < 0.0001 |
| ▪ Yes (medical indication) | 16.6 (14.93 to 18.18) | 17 (13.79 to 20.20) | 1.38 (1.14 to 1.68) | 0.0009 | 1.34 (1.09 to 1.65) | 0.0058 |
| ▪ Yes (other reasons) | 17.0 (14.54 to 19.50) | 18 (9.31 to 26.39) | 1.62 (1.20 to 2.18) | 0.0016 | 1.53 (1.07 to 2.17) | 0.0181 |
| Teats in Hospital | ||||||
| No teats | 22.4 (21.56 to 23.26) | 27 (26.17 to 27.82) | 1† | - | 1† | - |
| Yes | 17.2 (15.88 to 18.51) | 17 (14.42 to 19.58) | 1.61 (1.38 to 1.87) | < 0.0001 | 1.26 (1.04 to 1.53) | 0.0203 |
| ▪ Yes (informed choice) | 17.3 (15.52 to 19.14) | 18 (13.65 to 22.35) | 1.51 (1.23 to 1.87) | 0.0001 | 1.01 (0.77 to 1.33) | 0.9231 |
| ▪ Yes (other reasons) | 17.2 (15.35 to 19.05) | 17 (13.94 to 20.05) | 1.69 (1.39 to 2.06) | < 0.0001 | 1.32 (1.04 to 1.68) | 0.0221 |
Φ Variables that did not significantly contribute to the fitness of the model were dropped hence no adjusted HRs were calculated for them.
†Reference category.