| Amount of alcohol intake (g/day)a | |||
---|---|---|---|---|
 | Non-drinking (0) | 1st (≤11.5) | 2nd (11.5-35.8) | 3rd (>35.8) |
≥1 common coldb (cases/subjects) | 91/149 | 141/250 | 136/249 | 130/251 |
 Crude OR(95% CI) | 1.304(0.862–1.971) | 1.079 (0.755–1.530) | 1 | 0.893 (0.628–1.269) |
 Adjusted ORc (95% CI) | 1.334(0.864–2.059) | 0.950 (0.655–1.378) | 1 | 0.939 (0.643–1.372) |
≥2 common coldb (cases/subjects) | 38/149 | 51/250 | 39/249 | 51/251 |
 Crude OR (95% CI) | 1.843 (1.115–3.047) d | 1.380 (0.871–2.186) | 1 | 1.373 (0.867–2.174) |
 Adjusted ORc (95% CI) | 2.155 (1.275–3.644) d | 1.317 (0.817–2.125) | 1 | 1.387 (0.849–2.265) |