Table 4 Crude and adjusted odds of birth of a male infant among women occupationally PCB-exposed and unexposed women prior to conception, stratified by plant
Estimated Cumulative PCB exposure a, at estimated date of conception | Women (n) | Crude OR (95% CI) | Adjustedb OR (95% CI) | |
|---|---|---|---|---|
Indiana Plant (n = 173) | Â | Â | Â | |
| Â | No exposure | 87 | 1.00 (ref) | 1.00 (ref) |
| Â | > 0 to <2,460 | 21 | 0.98 (0.37, 2.55) | 1.19 (0.43, 3.28) |
| Â | 2,460 to <4,867.5 | 22 | 1.07 (0.42, 2.74) | 1.20 (0.42, 3.39) |
| Â | 4,867.5 to <8,510 | 21 | 0.36 (0.13, 1.01) | 0.39 (0.12, 1.25) |
| Â | 8,510+ | 22 | 0.74 (0.29, 1.90) | 0.81 (0.27, 2.42) |
Massachusetts Plant (n = 1481) | Â | Â | Â | |
| Â | No exposure | 447 | 1.00 (ref) | 1.00 (ref) |
| Â | > 0 to <84,672 | 258 | 1.06 (0.78, 1.44) | 1.06 (0.77, 1.47) |
| Â | 84,672 to <193,320 | 258 | 1.08 (0.79, 1.47) | 1.09 (0.78, 1.52) |
| Â | 193,320 to <397,512 | 259 | 0.90 (0.67, 1.23) | 0.93 (0.67, 1.29) |
| Â | 397,512+ | 259 | 1.16 (0.85, 1.57) | 1.16 (0.84, 1.61) |
New York Plant (n = 941) | Â | Â | Â | |
| Â | No exposure | 555 | 1.00 (ref) | 1.00 (ref) |
| Â | > 0 to <8,700 | 96 | 0.85 (0.55, 1.32) | 0.85 (0.54, 1.34) |
| Â | 8,700 to <20,988 | 97 | 1.07 (0.70, 1.65) | 1.08 (0.69, 1.71) |
| Â | 20,988 to <54,120 | 96 | 1.14 (0.74, 1.77) | 1.07 (0.66, 1.73) |
| Â | 54,120+ | 97 | 1.22 (0.79, 1.88) | 1.20 (0.74, 1.96) |