Groups | Univariate regression | Model 1 | Model 2 | Model 3 | ||||
---|---|---|---|---|---|---|---|---|
Crude OR | P-value | Adjusted OR (95% CI) | P-value | Adjusted OR (95% CI) | P-value | Adjusted OR (95% CI) | P-value | |
Clinical pregnancy (Reference T1 [< 0.56, n = 2113]) | ||||||||
 T2 (0.56–0.84, n = 2159) | 1.187 (1.052–1.340) | 0.006 | 1.167 (1.033–1.318) | 0.013 | 1.172 (1.037–1.324) | 0.011 | 1.187 (1.047–1.345) | 0.007 |
 T3 (> 0.84, n = 2186) | 1.389 (1.231–1.567) |  < 0.001 | 1.353 (1.198–1.529) |  < 0.001 | 1.366 (1.208–1.544) |  < 0.001 | 1.420 (1.252–1.610) |  < 0.001 |
Live birth (Reference T1 [< 0.56, n = 2113]) | ||||||||
 T2 (0.56–0.84, n = 2159) | 1.156 (1.019–1.312) | 0.024 | 1.129 (0.994–1.283) | 0.062 | 1.137 (1.001–1.292) | 0.049 | 1.149 (1.009–1.309) | 0.036 |
 T3 (> 0.84, n = 2186) | 1.457 (1.287–1.650) |  < 0.001 | 1.408 (1.241–1.597) |  < 0.001 | 1.423 (1.254–1.615) |  < 0.001 | 1.476 (1.296–1.681) |  < 0.001 |