| Odds Ratio | p-value | [95% Conf. Interval] | |
|---|---|---|---|
| Female partner active smoker | 1.92 | 0.22 | 0.68–5.47 |
| Female partner age | 1.06 | 0.074 | 0.99–1.14 |
| Male infertility diagnosis | 1.11 | 0.809 | 0.48–2.59 |
| Non-white race | 1.10 | 0.804 | 0.53–2.29 |
| Reporting Year | |||
| 2014 | reference | ||
| 2015 | 3.08 | 0.013 | 1.27–7.49 |
| 2016 | 1.69 | 0.284 | 0.65–4.41 |
| Region | |||
| South | reference | ||
| Northeast | 3.32 | 0.004 | 1.47–7.48 |
| Midwest | 3.40 | 0.033 | 1.1–10.44 |
| West | 5.06 | 0.005 | 1.64–15.58 |