Association (odds ratio (OR) and 95% confidence intervals (95% CI)) between frequency of winter consumption of citrus/kiwi fruit (per week) and 12 month prevalence (%) of respiratory symptoms in the cross sectional study
| <1/week | 1–2/week | 3–4/week | 5–7/week | p for trend | |||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| % | OR | % | OR (95% CI) | % | OR (95% CI) | % | OR (95% CI) | ||||
| Wheeze | 9.9 | 1.0 | 7.4 | 0.75 | 7.5 | 0.76 | 6.6 | 0.66 | <0.001 | ||
| (0.63 to 0.89) | (0.65 to 0.89) | (0.55 to 0.78) | |||||||||
| Shortness of breath with wheeze | 6.8 | 1.0 | 4.8 | 0.73 | 5.1 | 0.75 | 4.6 | 0.68 | 0.002 | ||
| (0.60 to 0.90) | (0.62 to 0.91) | (0.56 to 0.84) | |||||||||
| Exercise related wheeze | 2.3 | 1.0 | 1.5 | 0.69 | 1.5 | 0.69 | 1.7 | 0.74 | 0.160 | ||
| (0.49 to 0.98) | (0.50 to 0.95) | (0.53 to 1.04) | |||||||||
| Severe wheeze | 2.2 | 1.0 | 1.6 | 0.76 | 1.3 | 0.64 | 1.2 | 0.59 | 0.003 | ||
| (0.53 to 1.08) | (0.46 to 0.90) | (0.40 to 0.85) | |||||||||
| Nocturnal cough | 21.3 | 1.0 | 18.4 | 0.85 | 17.9 | 0.83 | 16.1 | 0.73 | <0.001 | ||
| (0.75 to 0.96) | (0.74 to 0.93) | (0.65 to 0.83) | |||||||||
| Chronic cough | 12.1 | 1.0 | 10.0 | 0.83 | 11.4 | 0.95 | 9.3 | 0.75 | 0.008 | ||
| (0.71 to 0.96) | (0.82 to 1.09) | (0.65 to 0.88) | |||||||||
| Rhinitis | 16.3 | 1.0 | 14.0 | 0.85 | 13.2 | 0.79 | 12.3 | 0.72 | <0.001 | ||
| (0.74 to 0.96) | (0.70 to 0.90) | (0.63 to 0.83) | |||||||||
Odds ratios adjusted for sex, study area, father's education, household density, maternal smoking, paternal smoking, dampness or mould, and parental asthma.