Table 4.
Relationship between maternal smoking and breastfeeding during the study period (2018).
| n = 948 | Formula Feeding | |||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| n | ORc | CI | 95% | p | ORa1 | CI | 95% | p | ORa2 | CI | 95% | p | ORa3 | CI | 95% | p | ||
| Smoking | no | yes | ||||||||||||||||
| no | 698 | 132 | 1 | 1 | 1 | 1 | ||||||||||||
| yes | 82 | 36 | 2.32 | 1.50 | 3.58 | <0.001 | 2.23 | 1.44 | 3.45 | <0.001 | 1.95 | 1.25 | 3.04 | 0.003 | 1.94 | 1.24 | 3.03 | 0.004 |
| mild | 46 | 15 | 1.72 | 0.94 | 3.18 | 1.64 | 0.88 | 3.04 | 1.51 | 0.81 | 2.80 | 1.49 | 0.80 | 2.78 | ||||
| mod/severe * | 36 | 21 | 3.09 | 1.75 | 5.45 | 2.98 | 1.68 | 5.28 | 2.49 | 1.39 | 4.45 | 2.48 | 1.38 | 4.43 | ||||
| p trend | <0.001 | <0.001 | 0.001 | 0.001 | ||||||||||||||
ORa1: odds ratio adjusted by maternal age—continuous. ORa2: odds ratio adjusted by level of maternal studies. ORa3: odds ratio adjusted by maternal age—continuous, and level of maternal studies. * Moderate and severe consumption: mean consumption > 6 cigarettes/day.