Association between frequency of consumption of fruits and vegetables rich in antioxidants and allergic rhinitis (AR)
| AR ever (n = 129) | Current AR (n = 92) | Current seasonal (AR n = 35) | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Consumption per day | p for trend | Consumption per day | p for trend | Consumption per day | p for trend | ||||
| <1/day | ⩾1/day | <1/day | ⩾1/day | <1/day | ⩾1/day | ||||
| ORs with 95% CI derived from logistic regression models after adjusting for age, sex, body mass index, parental asthma and number of older siblings. | |||||||||
| The reference group for each food item includes those subjects not consuming the specific item. | |||||||||
| Oranges | 0.38 (0.14 to 1.01) | 0.29 (0.11 to 0.80) | 0.047 | 0.52 (0.16 to 1.68) | 0.46 (0.15 to 1.48) | 0.419 | 0.97 (0.13 to 8.89) | 0.90 (0.11 to 7.38) | 0.905 |
| Kiwi fruits | 0.75 (0.49 to 1.16) | 0.37 (0.16 to 0.86) | 0.018 | 0.71 (0.43 to 1.16) | 0.47 (0.19 to 1.17) | 0.161 | 0.55 (0.26 to 1.17) | 0.19 (0.03 to 1.48) | 0.113 |
| Grapes | 0.39 (0.19 to 0.82) | 0.31 (0.14 to 0.64) | 0.021 | 0.42 (0.19 to 0.95) | 0.36 (0.16 to 0.81) | 0.046 | 0.28 (0.10 to 0.80) | 0.18 (0.06 to 0.54) | 0.285 |
| Apples | 0.76 (0.19 to 2.98) | 0.46 (0.12 to 1.84) | 0.147 | 0.74 (0.15 to 3.57) | 0.63 (0.13 to 3.06) | 0.712 | 0.62 (0.07 to 5.38) | 0.57 (0.07 to 4.95) | 0.870 |
| Fresh tomatoes | 1.37 (0.61 to 3.13) | 0.83 (0.35 to 1.94) | 0.224 | 1.36 (0.50 to 3.74) | 1.07 (0.40 to 2.97) | 0.588 | 1.59 (0.34 to 7.35) | 1.07 (0.23 to 5.09) | 0.538 |
| Green peppers | 0.82 (0.40 to 1.68) | 0.75 (0.48 to 1.17) | 0.445 | 1.16 (0.54 to 2.48) | 0.78 (0.47 to 1.29) | 0.489 | 0.60 (0.20 to 1.78) | 0.59 (0.20 to 1.74) | 0.601 |
| Carrots | 0.67 (0.28 to 1.61) | 0.52 (0.19 to 1.39) | 0.403 | 1.15 (0.37 to 3.53) | 0.76 (0.22 to 2.67) | 0.480 | 0.74 (0.13 to 4.09) | 0.86 (0.18 to 4.06) | 0.925 |
| Broccoli | 0.85 (0.53 to 1.36) | – | 0.784 | 0.89 (0.52 to 1.55) | – | 0.920 | 0.96 (0.43 to 2.28) | – | 0.978 |