Table 1.
Periconceptional Characteristics of Gastroschisis Cases and Matched Controls.
| Characteristic | Case (n=30) n (%) |
Control (n=76) n (%) |
p |
|---|---|---|---|
| Parity | |||
| Nulliparous | 18 (60.0) | 28 (36.8) | 0.11 |
| Parous | 12 (40.0) | 48 (63.2) | |
| Education | |||
| <12 years | 8 (26.7) | 22 (29.0) | 0.95 |
| 12 years | 13 (43.3) | 26 (34.2) | |
| >12 years | 9 (30.0) | 28 (36.8) | |
| Insurance | |||
| Private | 8 (26.7) | 13 (17.1) | 0.10 |
| Medicaid/No Insurance | 22 (73.3) | 62 (81.6) | |
| Missing | 0 (0.0) | 1 (1.3) | |
| Conception BMI (kg/m2) | |||
| ≤ 19 | 3 (10.0) | 3 (4.0) | 0.16 |
| >19–24 | 12 (40.0) | 32 (42.1) | |
| 25–29 | 11 (36.7) | 17 (22.4) | |
| ≥30 | 4 (13.3) | 24 (31.6) | |
| 1st Trimester Bleeding | |||
| Yes | 4 (13.3) | 10 (13.2) | 0.80 |
| No | 26 (86.7) | 66 (86.8) | |
| Prenatal Vitamin Use | |||
| Prior to conception | 2 (6.7) | 9 (11.8) | 0.27 |
| After positive pregnancy test | 12 (40.0) | 29 (38.2) | |
| After 6 weeks of gestation | 15 (50.0) | 26 (34.2) | |
| None | 1 (3.3) | 11 (14.5) | |
| Missing | 0 (0.0) | 1 (1.3) | |
| Planned Pregnancy | |||
| Yes | 8 (26.7) | 20 (26.3) | 0.99 |
| No | 22 (73.3) | 55 (72.4) | |
| Missing | 0 (0.0) | 1 (1.3) |
a
Cochran-Mantel-Haenszel test for association