Table 2.
Participant data included/excluded in the Table 3 analysis
| Variable | Included, n | Excluded, n | OR (95 % C.I.) | P value for OR |
|---|---|---|---|---|
| Age | ||||
| 18–24 | 97 | 48 | 1 | |
| 25–29 | 64 | 29 | 1.11 (0.63–1.94) | 0.720 |
| Smoking | ||||
| Never | 129 | 59 | 1 | |
| Ex-smoker/current | 33 | 18 | 0.84 (0.44–1.61) | 0.600 |
| Fertility status | ||||
| Sub-fertile | 59 | 28 | 1 | |
| Fertile | 103 | 49 | 1.00 (0.57–1.75) | 0.990 |
Comparison of Age, smoking and fertility status for participants included or excluded in the study. Participants excluded had no statistical difference in age, smoking or fertility status (P > 0.05)