Outcome | Frequency of apple consumption | OR (95% CI) and significance level | ||
Subjects n | Unadjusted | Adjusted | ||
Current wheeze | <1 serving per month# | 165 | 1 | 1 |
1 serving per month–1 serving per week | 615 | 0.82 (0.51–1.33) | 0.82 (0.51–1.33) | |
2–6 servings per week | 1090 | 0.62 (0.39–0.98) | 0.64 (0.40–1.02) | |
>1 serving per day | 646 | 0.77 (0.47–1.24) | 0.83 (0.50–1.36) | |
p-value for trend | 0.66 | 0.91 | ||
Ever wheeze | <1 serving per month# | 165 | 1 | 1 |
1 serving per month–1 serving per week | 616 | 0.81 (0.56–1.17) | 0.82 (0.56–1.20) | |
2–6 servings per week | 1092 | 0.62 (0.44–0.89) | 0.68 (0.47–0.98) | |
>1 serving per day | 651 | 0.68 (0.47–0.99) | 0.78 (0.53–1.15) | |
p-value for trend | 0.05 | 0.37 | ||
Ever-asthma | <1 serving per month# | 163 | 1 | 1 |
1 serving per month–1 serving per week | 606 | 0.83 (0.56–1.24) | 0.84 (0.56–1.26) | |
2–6 servings per week | 1081 | 0.50 (0.34–0.74) | 0.54 (0.36–0.81) | |
>1 serving per day | 644 | 0.69 (0.46–1.03) | 0.79 (0.52–1.20) | |
p-value for trend | 0.07 | 0.39 |
CI: confidence interval. #: reference group.