TABLE 2.
Predicting unsuccessful initiation of breastfeeding among the Norwegian women in the MoBa study1
OR (95% CI) |
|||
Prepregnancy BMI and GWG group2 | n | Crude model | Adjusted model3 |
Normal | |||
Within recommendations | 13,009 | 1 | 1 |
Below recommendations | 7087 | 1.12 (0.71, 1.75) | 1.09 (0.70, 1.70) |
Above recommendations | 12,653 | 1.29 (0.89, 1.87) | 1.11 (0.76, 1.60) |
Underweight | |||
Within recommendations | 657 | 1.16 (0.36, 3.74) | 1.07 (0.33, 3.44) |
Below recommendations | 446 | 3.46 (1.48, 8.12) | 3.25 (1.38, 7.65) |
Above recommendations | 365 | 4.25 (1.81, 9.96) | 2.96 (1.25, 7.02) |
Overweight | |||
Within recommendations | 2285 | 3.49 (2.23, 5.47) | 2.86 (1.82, 4.49) |
Below recommendations | 970 | 4.26 (2.42, 7.50) | 3.25 (1.84, 5.76) |
Above recommendations | 7598 | 2.77 (1.95, 3.94) | 2.22 (1.56, 3.16) |
Obese | |||
Within recommendations | 971 | 4.80 (2.79, 8.25) | 3.14 (1.81, 5.43) |
Below recommendations | 826 | 5.98 (3.52, 10.18) | 3.89 (2.26, 6.70) |
Above recommendations | 2082 | 3.59 (2.36, 5.45) | 2.38 (1.55, 3.64) |
n = 49,669. GWG, gestational weight gain; MoBa, Norwegian Mother and Child Cohort Study.
Prepregnancy BMI was categorized as normal, underweight, overweight, or obese grades I–III according to WHO classifications and GWG was expressed as within, below, or above the GWG recommended by the Institute of Medicine (11). The latter recommendation takes prepregnancy BMI into account.
Adjusted for income, education, age, smoking, parity, diabetes, and cesarean delivery.