BMI category | N (case)/N(total) | Odd Ratio (95%CI) of a Z Score Increase in Gestational Weight Gain | |||
---|---|---|---|---|---|
Crude | P value | Adjusted a | P value | ||
Total | 534/15541 | 1.22 (1.10-1.35) | <0.001 | 1.28 (1.15-1.42) | <0.001 |
Underweight | 41/994 | 1.06 (0.75-1.51) | 0.748 | 0.94 (0.65-1.39) | 0.760 |
Normal | 348/12345 | 1.18 (1.04-1.34) | 0.009 | 1.26 (1.11-1.43) | <0.001 |
Overweight or obese | 145/2202 | 1.36 (1.13-1.65) | 0.002 | 1.41 (1.16-1.74) | 0.001 |