Table 2 Maternal health related characteristics in by BMI (kg/m2) category; 17,738 singleton first or second deliveries. KCMC Medical birth registry July 2000-May 2013
Maternal health characteristics | N | Mean (SD) BMI | BMI < 18.5 Underweight | BMI 18.5-24.9 Normal | BMI 25.0-29.9 Overweight | BMI >= 30 Obese | χ2 p-value |
|---|---|---|---|---|---|---|---|
Overall (n) | 17,738 | 1178 | 11,008 | 4258 | 1294 | ||
% | 23.5 | 6.6 | 62.1 | 24.0 | 7.3 | ||
Pregnancy order | < 0.001 | ||||||
First Second | 10,354 7384 | 22.9 (3.7) 24.3 (4.1) | 8.2 4.5 | 66.4 56.0 | 20.5 29.0 | 5.0 10.5 | |
Chronic hypertension | < 0.001 | ||||||
Yes No | 76 17,662 | 25.5 (4.9) 23.5 (3.9) | 5.3 6.6 | 40.8 62.2 | 35.5 24.0 | 18.4 7.2 | |
Gestational hypertension | 0.02 | ||||||
Yes No | 41 17,697 | 25.0 (4.1) 23.5 (4.0) | - 6.7 | 48.8 62.1 | 41.5 24.0 | 9.8 7.3 | |
Diabetes* | 0.13 | ||||||
Yes No | 21 17,717 | 24.9 (4.6) 23.5 (4.0) | 9.5 6.6 | 42.9 62.1 | 28.6 24.0 | 19.0 7.3 | |
Heart disease* | 0.10 | ||||||
Yes No | 53 17,685 | 22.5 (4.5) 23.5 (4.0) | 15.1 6.6 | 54.7 62.1 | 22.6 24.0 | 7.5 7.3 | |
Gestational age | < 0.001 | ||||||
Below 37 weeks 37 or more weeks Missing | 2630 13,675 1433 | 23.1 (4.0) 23.6 (3.9) 23.4 (4.0) | 8.5 6.2 6.7 | 64.0 61.7 61.5 | 20.8 24.7 23.2 | 6.7 7.4 7.5 |