Table 4 The prevalence of self-reported current rhinitis with crude and adjusted odd ratios
Variable | Totala | Current rhinitis (%) | Crude OR (95 % CI) | P | Adjusted OR (95 % CI)b | P |
|---|---|---|---|---|---|---|
Mode of transport to school | ||||||
Walk | 1728 | 37.1 | 1 | 1 | ||
Taxi/Bus | 708 | 40.1 | 1.11 (0.92–1.33) | 0.253 | 1.15 (0.93–1.42) | 0.194 |
Motor car | 683 | 43.2 | 1.18 (0.92–1.51) | 0.169 | 1.31 (0.92–1.87) | 0.127 |
Combination | 201 | 52.7 | 1.75 (1.27–2.43) | 0.001 | 1.81 (1.21–2.71) | 0.004 |
Train | 100 | 44.0 | 1.27 (0.83–1.93) | 0.259 | 1.40 (0.86–2.27) | 0.172 |
Frequency of trucks passing near homes on weekdays | ||||||
Never | 563 | 34.6 | 1 | 1 | ||
Seldom | 1033 | 41.2 | 1.25 (1.01–1.55) | 0.038 | 1.30 (0.99–1.62) | 0.059 |
Frequently through the day | 580 | 39.1 | 1.23 (0.97–1.57) | 0.081 | 1.25 (0.95–1.64) | 0.102 |
Almost all day | 1212 | 42.5 | 1.46 (1.88–1.81) | 0.000 | 1.60 (1.24–2.02) | 0.000 |
Sex | ||||||
Female | 1790 | 43.0 | 1 | 1 | ||
Male | 1634 | 37.0 | 0.77 (0.67–0.89) | 0.000 | 0.82 (0.70–0.96) | 0.016 |
Born within the area | ||||||
No | 1609 | 37.6 | 1 | |||
Yes | 1812 | 42.2 | 1.29 (1.12–1.49) | 0.000 | 0.82 (0.70–0.96) | 0.013 |
Vigorous physical activity | ||||||
Never or occasionally | 984 | 37.2 | 1 | 1 | ||
Once or twice per week | 1417 | 42.2 | 1.22 (1.03–1.44) | 0.017 | 1.27 (1.05–1.53) | 0.012 |
3 or more times per week | 983 | 40.2 | 1.10 (0.92–1.33) | 0.263 | 1.08 (0.88–1.34) | 0.424 |
Residential heating fuel type most frequently used | ||||||
Electricity | 2041 | 40.3 | 1 | 1 | ||
Gas | 426 | 46.0 | 1.26 (1.02–1.56) | 0.029 | 1.31 (1.04–1.65) | 0.022 |
Paraffin | 631 | 36.3 | 0.93 (0.76–1.13) | 0.466 | 0.88 (0.70–1.11) | 0.289 |
Open fire | 270 | 39.2 | 1.01 (0.77–1.31) | 0.934 | 1.09 (0.81–1.46) | 0.553 |
Exposure to ETS at home | ||||||
No | 1460 | 39.0 | 1 | 1 | ||
Yes | 1452 | 42.0 | 1.16 (1.00–1.34) | 0.048 | 1.16 (0.99–1.36) | 0.054 |