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Odds ratios of the conception rate at first service variables included in the final logistic regression model (n = 473).
| Factor | Class | n | % pregnancy |
Odds ratio | 95% confidence interval |
p |
|---|---|---|---|---|---|---|
| Mastitis | CH group | 190/327 | 58.1 | Reference | ||
| CM group | 61/146 | 41.7 | 1.9 | 1.3–2.9 | <0.001 |
R2 Nagelkerke = 0.15.
