Table 2.
Crude odds ratios (OR) and 95 % confidence intervals (CI) for current asthma, current rhinitis and current eczema
| Independent variables | Dependent variables | ||
|---|---|---|---|
| Current asthma | Current rhinitis | Current eczema | |
| OR (95 % CI) | OR (95 % CI) | OR (95 % CI) | |
| Age (years) | |||
| 60–77 | 1 | 1 | 1 |
| 40–59 | 1.48 (0.96–2.29) | 1.34 (1.02–1.77) | 1.91 (1.26–2.90) |
| 18–39 | 1.34 (0.83–2.17) | 1.65 (1.22–2.22) | 1.38 (0.86–2.20) |
| Sex | |||
| Men | 1 | 1 | 1 |
| Women | 1.34 (0.94–1.93) | 0.88 (0.70–1.11) | 1.45 (1.05–2.00) |
| Smoking | |||
| Never smoker | 1 | 1 | 1 |
| Ex-smoker | 0.86 (0.56–1.31) | 0.96 (0.73–1.26) | 1.28 (0.87–1.89) |
| Current smoker | 1.04 (0.64–1.70) | 1.15 (0.83–1.59) | 1.46 (0.93–2.28) |
| Family history | |||
| None | 1 | 1 | 1 |
| Asthma | 1.33 (0.58–3.05) | 0.72 (0.42–1.25) | 1.44 (0.72–2.85) |
| Rhinitis | 1.49 (0.88–2.51) | 3.05 (2.20–4.24) | 1.32 (0.83–2.08) |
| Both | 5.41 (3.38–8.64) | 3.32 (2.23–4.95) | 1.82 (1.10–3.00) |
| Degree of urbanization | |||
| Rural area (<500 inh.) | 1 | 1 | 1 |
| Village (500–2000 inh.) | 0.88 (0.29–2.65) | 1.23 (0.65–2.37) | 0.97 (0.35–2.74) |
| Small town (2000–10,000 inh.) | 1.28 (0.55–3.00) | 1.01 (0.58–1.75) | 1.16 (0.51–2.68) |
| Larger town (>10,000 inh.) | 1.29 (0.67–2.48) | 1.41 (0.94–2.11) | 1.39 (0.74–2.61) |
| Occupational exposure to GDF | |||
| No | 1 | 1 | 1 |
| Yes | 1.70 (1.16–2.49) | 1.10 (0.84–1.44) | 1.73 (1.21–2.48) |
| Metropolitan domicile | |||
| No | 1 | 1 | 1 |
| Yes | 0.86 (0.60–1.23) | 1.03 (0.81–1.30) | 1.21 (0.86–1.70) |
| Body mass index | |||
| Normal | 1 | 1 | 1 |
| Underweight | 1.17 (0.47–2.88) | 1.34 (0.75–2.38) | 1.24 (0.56–2.78) |
| Overweight | 1.07 (0.71–1.63) | 0.94 (0.73–1.22) | 0.98 (0.67–1.44) |
| Obese | 2.10 (1.29–3.40) | 1.79 (1.26–2.53) | 1.43 (0.89–2.31) |
| Allergic sensitization | |||
| No | 1 | 1 | 1 |
| Yes | 4.02 (2.76–5.84) | 5.77 (4.34–7.67) | 1.35 (0.94–1.93) |