TABLE 3.
Path analysis for the association between pregnancy-related weight changes, breastfeeding, and maternal weight 7 y after delivery1
Total effect | Indirect effect | Direct effect | ||||||
β | 95% CI | β | 95% CI | % of total | β | 95% CI | % of total | |
Prepregnancy weight | 0.87 | 0.84, 0.89 | 0.60 | 0.59, 0.61 | 69 | 0.27 | 0.24, 0.30 | 31 |
Total gestational weight gain | 0.08 | 0.07, 0.09 | 0.07 | 0.06, 0.07 | 83 | 0.01 | 0.01, 0.02 | 17 |
Weight, 6 mo | 0.46 | 0.43, 0.48 | 0.29 | 0.28, 0.30 | 63 | 0.17 | 0.14, 0.20 | 37 |
Weight, 18 mo | 0.48 | 0.46, 0.51 | — | — | — | 0.48 | 0.46, 0.51 | 100 |
Breastfeeding duration | −0.01 | −0.02, −0.004 | −0.01 | −0.01, −0.01 | 73 | −0.003 | −0.01, 0.003 | 27 |
All variables arez scores.n = 23,701. Values were adjusted for height, age, socio-occupational status, parity, gestational age, child birth weight, physical activity, dietary pattern, smoking during pregnancy, smoking after pregnancy, and time of interviews 3 and 4.