From: A multistate competing risks framework for preconception prediction of pregnancy outcomes
 | First Stage | Second Stage | Verification | |
---|---|---|---|---|
 | logit[P(Ti=t|Ti≥t)] | log(πi2|1/πi4|1) | log(πi3|1/πi4|1) | \(\text {logit}\left (\pi _{i}^{R}\right)\) |
Intercept | -0.542 (0.370) | -3.025 (0.754) | -0.827 (1.096) | 2.050 (0.515) |
I(t=2) | -0.047 (0.117) | — | — | — |
I(t=3) | -0.148 (0.129) | — | — | — |
I(t=4) | -0.152 (0.141) | — | — | — |
I(t=5) | -0.456 (0.167) | — | — | — |
I(t=6) | -0.402 (0.178) | — | — | — |
Menstrual cycles trying prior to baseline | -0.120 (0.019) | — | — | — |
Aspirin use | 0.185 (0.086) | — | — | — |
Age (in years) | -0.026 (0.010) | 0.041 (0.022) | -0.032 (0.035) | — |
Number of previous pregnancy losses | 0.058 (0.092) | 0.265 (0.210) | -0.089 (0.330) | — |
Non-Hispanic white | 0.444 (0.159) | 0.012 (0.422) | -0.698 (0.463) | 0.773 (0.278) |
College degree | 0.251 (0.093) | — | — | 0.474 (0.236) |
BMI | -0.027 (0.007) | — | — | -0.024 (0.015) |
Parous | 0.357 (0.090) | — | — | 0.366 (0.214) |
Smoker (past year) | — | — | — | -0.973 (0.258) |
Hypertension | — | 0.412 (0.253) | 0.741 (0.367) | — |