Table 2 Crude and adjusted ORs (95% CIs) for spontaneous abortion by the exposure level of TCS.
chemical TCS | control No. | abortion No. | crude | adjusted | ||
|---|---|---|---|---|---|---|
OR(95%CI) | P-value | OR(95%CI) a | P-value | |||
low | 228 | 48 | 1.00 | 1.00 | ||
median | 55 | 33 | 2.85(1.67-4.85)* | 1.13E-04 | 2.00(1.08-3.70)* | 0.027 |
high | 56 | 32 | 2.71(1.59-4.63)* | 2.52E-04 | 2.36(1.29-4.34)* | 0.006 |
P-value for trend | 2.34E-05 | 0.003 | ||||