TABLE 3.
Association between level of maternal occupational activity and orofacial clefts, Texas, 1999–2009
| Controls N (%) | CLP N (%) | Adjusted OR (95%CI)a | CP N (%) | Adjusted OR (95%CI)a | |
|---|---|---|---|---|---|
| Performing general physical activities | Pb = 0.11 | Pb = 0.24 | |||
| Quartile 1 | 483 (25.0) | 198 (22.3) | 1.00 | 103 (23.6) | 1.00 |
| Quartile 2 | 549 (28.4) | 241 (27.2) | 1.07 (0.85–1.34) | 140 (32.1) | 1.23 (0.92–1.64) |
| Quartile 3 | 446 (23.1) | 220 (24.8) | 1.20 (0.94–1.53) | 103 (23.6) | 1.03 (0.75–1.41) |
| Quartile 4 | 454 (23.5) | 228 (25.7) | 1.19 (0.93–1.51) | 90 (20.6) | 0.86 (0.62–1.20) |
| Handling and moving objects | Pb = 0.12 | Pb = 0.97 | |||
| Quartile 1 | 508 (26.3) | 213 (24.0) | 1.00 | 110 (25.2) | 1.00 |
| Quartile 2 | 494 (25.6) | 209 (23.6) | 1.01 (0.80–1.28) | 107 (24.5) | 1.01 (0.75–1.37) |
| Quartile 3 | 447 (23.1) | 226 (25.5) | 1.21 (0.96–1.54) | 114 (26.2) | 1.18 (0.87–1.60) |
| Quartile 4 | 483 (25.0) | 239 (26.9) | 1.16 (0.91–1.46) | 105 (24.1) | 0.96 (0.70–1.31) |
a
Adjusted for maternal age, race/ethnicity, education, diabetes, previous livebirths, and smoking.
b
P for trend.