Table 2.
Linear regression analysis of factors associated with postpartum weight change in kg.
| Characteristics | Univariable Analysis |
p-Value | Multivariable Model 1 a |
p-Value | Multivariable Model 2 b | p-Value | Multivariable Model 3 c | p-Value |
|---|---|---|---|---|---|---|---|---|
| Unadj. β (95% CI) | Adj. β (95% CI) | Adj. β (95% CI) | Adj. β (95% CI) | |||||
| Women empowerment score | 0.13 (0.04, 0.21) | 0.003 | 0.11 (0.01, 0.20) | 0.033 | 0.07 (−0.03, 0.17) | 0.156 | −0.01 (−0.07, 0.05) | 0.848 |
| Food insecurity score | −0.03 (−0.05, −0.01) | 0.015 | −0.03 (−0.10, 0.04) | 0.399 | −0.003 (−0.03, 0.04) | 0.856 | 0.02 (−0.004, 0.04) | 0.729 |
| Dietary diversity score | 0.11 (0.02, 0.21) | 0.014 | 0.04 (−0.07, 0.15) | 0.451 | 0.02 (−0.09, 0.13) | 0.760 | 0.02 (−0.04, 0.08) | 0.107 |
| Total physical activity | ||||||||
| Low | Reference | - | Reference | - | Reference | - | Reference | - |
| Moderate | −0.26 (−0.51, −0.01) | 0.043 | −0.22 (−0.47, 0.04) | 0.102 | −0.13 (−0.39, 0.15) | 0.340 | 0.01 (−0.15, 0.16) | 0.949 |
| High | −0.65 (−1.13, −0.17) | 0.008 | −0.52 (−1.04,−0.001) | 0.049 | −0.42 (−0.95, 0.10) | 0.115 | 0.02 (−0.36, 0.37) | 0.967 |
| Total social support score | 0.04 (0.003, 0.07) | 0.030 | 0.01 (−0.03, 0.05) | 0.661 | 0.02 (−0.02, 0.06) | 0.350 | −0.000 (−0.02, 0.02) | 0.973 |
| Total perinatal distress score | −0.01 (−0.03,−0.001) | 0.042 | −0.004 (−0.02, 0.02) | 0.683 | 0.03 (−0.05, 0.10) | 0.445 | −0.002 (−0.05, 0.04) | 0.922 |
| Adequacy of prenatal care | ||||||||
| Inadequate | Reference | - | Reference | - | Reference | - | Reference | - |
| Intermediate | 0.32 (−0.08, 0.71) | 0.116 | 0.24 (−0.16, 0.63) | 0.240 | 0.21 (−0.18, 0.61) | 0.293 | 0.08 (−0.18, 0.33) | 0.545 |
| Adequate | 0.54 (0.27, 0.81) | 0.000 | 0.49 (0.22, 0.77) | 0.000 | 0.47 (0.20, 0.74) | 0.001 | 0.04 (−0.13, 0.21) | 0.672 |
| Adequate plus | 0.12 (−0.40, 0.65) | 0.645 | −0.04 (−0.59, 0.51) | 0.88 | −0.14 (−0.67, 0.39) | 0.613 | −0.14 (−0.45, 0.18) | 0.371 |
| Pre-pregnancy BMI in kg/m2 | 0.17 (0.11, 0.23) | 0.000 | Not included | - | 0.15 (0.07, 0.23) | 0.000 | −0.06 (0.52, 0.60) | 0.078 |
| Gestational weight gain in kg | 0.53 (0.50, 0.57) | 0.000 | Not included | - | Not included | - | 0.56 (0.52, 0.60) | 0.000 |
| Adjusted R2 | Not applicable | 5.6% | 8.2% | 66.3% | ||||
a adjusted for interaction between total perinatal distress and food insecurity scores, b Model 1 + pre-pregnancy BMI, and c Model 1 + pre-pregnancy BMI + gestational weight gain. Unadj.; unadjusted, Adj; adjusted and BMI; body mass index. p-Values written in bold show significant association.