Table 3.
Models of linear regression that explain the change in maternal gestational weight and the weight and length of the newborn.
| Variable | Mean | SE | CI 95% | p | R2 |
|---|---|---|---|---|---|
| Gestational weight gain (kg) | 13.2 | ||||
| Constant * | 3.99 | 14.891, 30.891 | 0.001 | 0.192 | |
| Leptin at gw 36 (ng/mL) | 23 | 0.03 | 0.100, 0.248 | 0.001 | |
| Pregestational weight (kg) | 51.4 | 0.06 | −0.345, −0.072 | 0.003 | |
| Adjustment of energy at gw 28 (%) | 125 | 0.01 | −0.045, −0.001 | 0.038 | |
| Newborn weight (g) | 3038 | ||||
| Constant ** | 67.54 | 2642.9, 2009.7 | 0.001 | 0.146 | |
| Change in gestational weight (kg) | 13.2 | 4.01 | 9.017, 24.858 | 0.001 | |
| Leptin at gw 32 (ng/mL) | 19 | 2.94 | 2.069, 13.717 | 0.007 | |
| Leptin at gw 36 (ng/mL) | 22 | 2.36 | 1.258, 9.592 | 0.049 | |
| Newborn length (cm) | 49.5 | ||||
| Constant † | 5.18 | 51.339, 71.827 | 0.003 | 0.085 | |
| Leptin at gw 32 (ng/mL) | 19 | 0.01 | 0.005, 0.050 | 0.018 | |
| Maternal height (cm) | 155.6 | 0.03 | 0.015, 0.147 | 0.016 | |
* Adjusted for height; ** adjusted for height, energy intake adequacy percentage and pregestational weight; † adjusted for pregestational weight and gestational weight gain; CI 95%: confidence interval 95%; SE: standard error; gw: gestation week.