Table 1.
Participant characteristics presented as n (weighted column percent), Pregnancy Outcomes and Community Health Study, 1998–2004.
| Total Sample N=1207 |
Pre-pregnancy BMI <25kg/m2 N=602 |
Pre-pregnancy BMI ≥25kg/m2 N=605 |
Chi-squared p-value |
|
|---|---|---|---|---|
| Gestational weight gain | ||||
| Low | 194 (14.4) | 77 (9.7) | 117 (19.4) | |
| Recommended | 274 (23.3) | 183 (31.0) | 91 (15.1) | <0.001* |
| High | 739 (62.3) | 342 (59.3) | 397 (65.5) | |
| Maternal age (years) | ||||
| <20 | 185 (12.9) | 118 (17.1) | 67 (8.5) | |
| 20-<30 | 693 (57.5) | 317 (52.5) | 376 (62.6) | <0.001* |
| 30+ | 329 (29.7) | 167 (30.4) | 162 (28.8) | |
| Maternal education | ||||
| < High School | 280 (19.4) | 148 (20.3) | 132 (18.5) | |
| High School/GED | 334 (26.2) | 143 (22.6) | 191 (30.0) | 0.047* |
| > High School | 593 (54.4) | 311 (57.1) | 282 (51.5) | |
| Relationship Status | ||||
| Single | 414 (27.3) | 199 (24.8) | 215 (30.0) | 0.073 |
| Co-habitation | 790 (72.7) | 401 (75.2) | 389 (70.0) | |
| Medicaid Enrollment | ||||
| Yes | 678 (49.0) | 315 (43.2) | 363 (55.1) | <0.001* |
| Maternal Race | ||||
| White/Other | 717 (75.4) | 377 (78.4) | 340 (72.3) | 0.011* |
| African American | 490 (24.6) | 225 (21.6) | 265 (27.7) | |
| Parity | ||||
| Nulliparous | 506 (41.8) | 295 (49.5) | 211 (33.7) | <0.001* |
| Gestational Diabetes | ||||
| Yes | 61 (5.4) | 14 (2.3) | 47 (8.8) | <0.001* |
| Hypertensive Disorders | ||||
| None | 1077 (90.1) | 558 (93.8) | 519 (87.0) | |
| Chronic Hypertension | 44 (3.1) | 16 (2.0) | 28 (4.2) | 0.003* |
| Preeclampsia/Gestational HT | 88 (6.4) | 28 (4.2) | 58 (8.7) | |
| Gestational Smoking | ||||
| Any | 337 (27.6) | 164 (25.5) | 173 (29.9) | 0.157 |
| Gestational Alcohol Use | ||||
| Any | 204 (17.5) | 108 (18.1) | 96 (16.9) | 0.296 |
| Timing of Delivery | ||||
| Preterm | 292 (10.7) | 149 (10.8) | 143 (10.7) | 0.148 |
| Term | 915 (89.3) | 453 (89.2) | 462 (89.3) | |
| Child Gender | ||||
| Male | 615 (49.1) | 313 (49.2) | 302 (49.1) | 0.972 |
BMI=Body mass index, GED=General education development examination, HT=hypertension.
*
Significant p-value <0.05 comparing pre-pregnancy BMI <25kg/m2 to pre-pregnancy BMI ≥25kg/m2.