Table 3.
Adjusted Mean Total and Trimester Gains for 2760 Black and White Women by Baseline Body Mass Index (BMI)
| Adjusteda mean (SEM) gestational weight gains (lbs) | |||||
|---|---|---|---|---|---|
| Trimester | |||||
| Baseline BMI | N | Total gestational weight gain (lbs) | First (lbs) | Second (lbs) | Third (lbs) |
| Underweight, <18.5 | |||||
| Black | 19 | 32.6 (2.7) | 4.1 (0.7) | 14.1 (1.0) | 14.0 (1.1) |
| White | 37 | 33.2 (1.8) | 4.9 (0.5) | 15.0 (0.8) | 13.2 (0.8) |
| P value | .82 | .35 | .41 | .50 | |
| Normal weight, 18.5 - 24.9 | |||||
| Black | 236 | 30.4 (0.9) | 3.2 (0.3) | 13.8 (0.4) | 14.2 (0.4) |
| White | 960 | 34.0 (0.4) | 4.6 (0.1) | 14.7 (0.2) | 14.3 (0.2) |
| P value | <.0001 | < .0001 | .03 | .91 | |
| Overweight, 25.0-29.9 | |||||
| Black | 218 | 25.7 (1.0) | 2.8 (0.3) | 11.6 (0.4) | 12.7 (0.5) |
| White | 563 | 32.2 (0.6) | 3.8 (0.2) | 13.8 (0.3) | 13.7 (0.3) |
| P value | <.0001 | .003 | <.0001 | .045 | |
| Obese, ≥ 30 | |||||
| Black | 244 | 17.9 (1.1) | 1.6 (0.3) | 7.8 (0.4) | 9.6 (0.4) |
| White | 483 | 23.1 (0.7) | 2.3 (0.2) | 9.3 (0.3) | 10.5 (0.3) |
| P value | <.0001 | .04 | .001 | .06 | |
Abbreviations: BMI, body mass index; lbs, pounds; SEM, standard error of the mean.
a
Adjusted for baseline BMI, height, age at conception, parity, prenatal tobacco use, previous trimester(s) gain, infant sex and weeks gestational at delivery.