Table IV.
Factors associated with ancillary study participation: biospecimen banking and pregnancy register.
| Adjusted odds ratios for predictive variables and participants agreed to blood sampling for DNA (with covariates of treatment protocol and site region added into the model). | ||
|---|---|---|
| Variables | Agreed to the study DNA collection |
|
| Odds ratio (95% CI) | P-value | |
| Race | ||
| White | 1 | |
| Black or African American | 0.284 (0.173, 0.467) | <0.001 |
| Asian | 0.420 (0.216, 0.852) | 0.016 |
| American Indian or Alaska Native | 0.462 (0.096, 2.221) | 0.335 |
| Native Hawaiian or Pacific Islander | 0.046 (0.003, 0.766) | 0.032 |
| Mixed race | 0.817 (0.311, 2.145) | 0.681 |
| Age | 1.044 (1.001, 1.089) | 0.043 |
| Study type | ||
| AMIGOS | ||
| PPCOSII | 3.349 (2.152, 5.212) | <0.001 |
|
Adjusted odds ratios for predictive variables and participants agreed to take part in blood repository collection or blood storage for future use (with covariates of study type and site region added into the model). | ||
|---|---|---|
| Variables | Agreed to take part in blood repository collection or blood storage for future use |
|
| Odds ratio (95% CI) | P-value | |
| Race | ||
| White | 1 | |
| Black or African American | 0.308 (0.189, 0.503) | <0.001 |
| Asian | 0.726 (0.358, 1.474) | 0.376 |
| American Indian or Alaska Native | 0.489 (0.100, 2.401) | 0.378 |
| Native Hawaiian or Pacific Islander | 0.093 (0.005, 1.597) | 0.102 |
| Mixed race | 0.874 (0.357, 2.143) | 0.769 |
| BMI | 1.027 (1.002, 1.052) | 0.031 |
| Income | ||
| <$50 000 | 1 | |
| ≥$50 000 | 1.520 (1.038, 2.227) | 0.032 |
| Region | ||
| Northeast | 1 | |
| Midwest | 1.111 (0.683, 1.808) | 0.190 |
| Southeast | 0.321 (0.184, 0.561) | 0.052 |
| Southwest | 1.750 (0.917, 3.340) | 0.003 |
| West | 0.585 (0.359, 0.953) | 0.784 |
| Study type | ||
| AMIGOS | 1 | |
| PPCOSII | 2.056 (1.360, 3.110) | 0.001 |
| Adjusted odds ratios for predictive variables and participants agreed to take part in pregnancy registry (with covariates of study type and site region added into the model). | ||
|---|---|---|
| Variables | Agreed to take part in pregnancy registry |
|
| Odds ratio (95% CI) | P-value | |
| Duration of infertility | ||
| <2 years | 1 | |
| 2–4 years | 0.551 (0.369, 0.822) | 0.003 |
| >4 years | 0.740 (0.440, 1.247) | 0.259 |
| Study type | ||
| AMIGOS | 1 | |
| PPCOSII | 1.547 (1.072, 2.233) | 0.020 |