Table 2.
Odds ratio (95% CI) for presenting difficulty getting pregnant according to the consumption of alcoholic beverages/week.
| Consumption of Alcoholic Beverages (drinks/week) | |||||
|---|---|---|---|---|---|
| Never or seldom | ≤1/week | >1week to <5/week | ≥5/week | P for trend | |
| No. cases/controls | 152/150 | 154/147 | 284/288 | 96/101 | |
| Matched for age | 1 (ref.) | 1.04 (0.75–1.43) | 0.97 (0.74–1.29) | 0.94 (0.66–1.34) | 0.71 |
| Multivariable adjustment * | 1 (ref.) | 1.09 (0.78–1.53) | 1.02 (0.76–1.37) | 1.04 (0.72–1.51) | 0.97 |
| Consumption of wine (1 unit = 1 glass of wine = 100 mL) | |||||
| Never or seldom | ≤1/week | >1week to <5/week | ≥5/week | P for trend | |
| No. cases/controls | 312/317 | 177/164 | 156/166 | 41/39 | |
| Matched for age | 1 (ref.) | 1.10 (0.84–1.42) | 0.95 (0.72–1.25) | 1.07 (0.67–1.70) | 0.66 |
| Multivariable adjustment * | 1 (ref.) | 1.10 (0.84–1.43) | 0.97 (0.74–1.29) | 1.16 (0.72–1.88) | 0.84 |
| Consumption of beers (1 unit = 330 mL) | |||||
| Never or seldom | ≤1/week | >1/week | |||
| No. cases/controls | 326/334 | 152/140 | 208/212 | ||
| Matched for age | 1 (ref.) | 1.11 (0.84–1.45) | 1.01 (0.78–1.29) | 0.71 | |
| Multivariable adjustment * | 1 (ref.) | 1.15 (0.87–1.52) | 1.06 (0.82–1.37) | 0.98 | |
| Consumption of spirits (1 unit = 50 mL) | |||||
| Never or seldom | ≤1/week | >1/week | |||
| No. cases/controls | 377/392 | 156/154 | 153/140 | ||
| Matched for age | 1 (ref.) | 1.05 (0.81–1.36) | 1.13 (0.87–1.47) | 0.86 | |
| Multivariable adjustment* | 1 (ref.) | 1.11 (0.85–1.45) | 1.24 (0.84–1.64) | 0.78 | |
* Adjusted for BMI (4 categories), smoking status (3 categories), leisure-time physical activity (METs-h/week), use of vitamin supplements, adherence to the traditional Mediterranean diet and total energy intake. ref.: reference category.