Symptoms or disease | Exposure to second-hand tobacco smoke at home† | ||||||
---|---|---|---|---|---|---|---|
All participants (N = 8850) | Women (N = 4944) | Men (N = 3906) | |||||
Never (N = 8346) | Occasional (N = 248) | Daily (N = 256) | Occasional (N = 140) | Daily (N = 148) | Occasional (N = 108) | Daily (N = 108) | |
Ever had symptom | |||||||
Asthma | 1.0 | 1.2 (0.80–1.7) | 1.1 (0.77–1.6) | 1.2 (0.73–1.9) | 1.1 (0.66–1.7) | 1.1 (0.60–1.9) | 1.1 (0.65–2.0) |
Physician-diagnosed asthma | 1.0 | 1.3 (0.87–1.8) | 1.1 (0.74–1.6) | 1.3 (0.80–2.1) | 1.1 (0.64–1.8) | 1.2 (0.68–2.1) | 1.1 (0.61–2.0) |
Wheezing | 1.0 | 1.0 (0.76–1.4) | 0.93 (0.68–1.3) | 0.90 (0.59–1.4) | 1.2 (0.82–1.8) | 1.2 (0.78–1.9) | 0.61 (0.35–1.1) |
Chronic cough | 1.0 | 1.2 (0.91–1.7) | 1.1 (0.77–1.5) | 1.0 (0.65–1.5) | 1.1 (0.71–1.6) | 1.6 (1.04–2.6) | 1.1 (0.64–1.8) |
Productive cough | 1.0 | 0.93 (0.63–1.4) | 1.5 (1.04–2.0) | 1.0 (0.6–1.7) | 1.4 (0.93–2.2) | 0.80 (0.41–1.5) | 1.5 (0.89–2.6) |
Nasal symptoms without cold | 1.0 | 0.84 (0.65–1.1) | 1.1 (0.82–1.4) | 0.79 (0.56–1.1) | 1.2 (0.82–1.6) | 0.93 (0.62–1.4) | 0.94 (0.63–1.4) |
Past 12 months | |||||||
Use of asthma medication | 1.0 | 1.0 (0.64–1.7) | 0.8 (0.49–1.4) | 1.2 (0.70–2.2) | 1.1 (0.61–1.9) | 0.67 (0.27–1.7) | 0.38 (0.12–1.2) |
Wheezing | 1.0 | 0.81 (0.56–1.2) | 1.0 (0.75–1.5) | 1.1 (0.69–1.7) | 1.3 (0.83–1.9) | 0.44 (0.21–0.92) | 0.75 (0.42–1.4) |
Nocturnal chest tightness | 1.0 | 1.3 (0.89–1.8) | 1.2 (0.8–1.7) | 1.3 (0.85–2.1) | 1.3 (0.85–2.1) | 1.2 (0.64–2.1) | 0.93 (0.49–1.8) |
Nocturnal cough | 1.0 | 0.98 (0.72–1.3) | 1.1 (0.79–1.4) | 0.86 (0.58–1.3) | 1.1 (0.74–1.5) | 1.2 (0.73–2.0) | 1.1 (0.63–1.8) |
Asthma attack | 1.0 | 1.4 (0.83–2.5) | 1.3 (0.76–2.3) | 1.8 (0.98–3.4) | 1.3 (0.67–2.6) | 0.61 (0.15–2.5) | 1.3 (0.46–3.7) |
Dyspnoea while wheezing | 1.0 | 0.96 (0.64–1.4) | 0.99 (0.68–1.5) | 1.1 (0.65–1.8) | 1.3 (0.71–1.6) | 0.77 (0.40–1.5) | 0.59 (0.28–1.2) |
Wheezing without cold | 1.0 | 1.0 (0.70–1.6) | 1.0 (0.71–1.6) | 1.2 (0.69–1.9) | 1.4 (0.86–2.2) | 0.87 (0.44–1.7) | 0.38 (0.12–1.2) |
Nocturnal dyspnoea | 1.0 | 1.2 (0.71–1.9) | 1.8 (1.2–2.7) | 1.4 (0.77–2.5) | 1.8 (1.1–3.1) | 0.79 (0.32–2.0) | 0.93 (0.49–1.8) |
Symptom score‡ | 0.056 (−0.13–0.24) | 0.13 (−0.050–0.31) | 0.097 (−0.14–0.33) | 0.21 (−0.010–0.44) | −0.12 (−0.42–0.19) | −0.11 (−0.42–0.19) |