Smoking habit |
Non-smoker | 112 | 76.7 | 34 | 23.3 | 1 | — |
Ex smoker | 26 | 63.4 | 15 | 36.6 | 1.90 | 0.9–4.0 |
Smoker | 58 | 79.5 | 15 | 20.5 | 0.85 | 0.4–1.7 |
Consumption (pack/year) |
0 | 112 | 76.7 | 34 | 23.3 | 1 | — |
<20 | 56 | 73.7 | 20 | 26.3 | 1.17 | 0.6–2.2 |
≥20 | 28 | 73.7 | 10 | 26.3 | 1.10 | 0.5–2.5 |
Alcohol consumption |
None | 55 | 75.3 | 18 | 24.7 | 1 | — |
Yes | 125 | 77.2 | 37 | 22.8 | 0.90 | 0.5–1.7 |
Weekends only | 16 | 64.0 | 9 | 36.0 | 1.72 | 0.6–4.5 |
Coffee consumption |
None | 64 | 84.2 | 12 | 15.8 | 1 | — |
Yes | 132 | 71.7 | 52 | 28.3 | 2.10 | 1.0–4.2 |
Sleeping tablets or tranquillisers |
No | 155 | 77.9 | 44 | 22.1 | 1 | — |
Yes | 41 | 67.2 | 20 | 32.8 | 1.72 | 0.9–3.2 |
Stress score |
0–5 (not anxious) | 128 | 71.9 | 50 | 28.1 | 1 | — |
6–12 (anxious) | 68 | 82.9 | 14 | 17.1 | 0.53 | 0.3–1.0 |