Short sleepers Adj. OR (95% CI) without BMI* | Short sleepers Adj. OR (95% CI) with BMI † | Long sleepers Adj. OR (95% CI) without BMI* | Long sleepers Adj. OR (95% CI) with BMI | |
Wheezing last 12 months | 1.76 (1.29–2.39) | 1.54 (1.12–2.13) | 0.94 (0.60–1.45) | 0.94 (0.59–1.50) |
Woken with chest tightness last 12 months | 2.37 (1.67–3.36) | 2.10 (1.45–3.03) | 1.24 (0.75–2.04) | 0.98 (0.55–1.76) |
Shortness of breath while at rest last 12 months | 2.47 (1.54–3.95) | 2.42 (1.49–3.93) | 1.30 (0.64–2.66) | 0.97 (0.41–2.29) |
Shortness of breath after strenuous activity last 12 months | 1.81 (1.32–2.49) | 1.55 (1.10–2.19) | 1.75 (1.19–2.58) | 1.80 (1.17–2.77) |
Woken with shortness of breath last 12 months | 2.48 (1.62–3.81) | 2.40 (1.55–3.72) | 1.94 (1.07–3.51) | 1.66 (0.85–3.22) |
Woken by coughing last 12 months | 1.54 (1.15–2.07) | 1.43 (1.05–1.94) | 1.12 (0.76–1.63) | 1.10 (0.73–1.66) |
Cough in morning during the winter | 1.96 (1.37–2.83) | 2.01 (1.38–2.92) | 1.51 (0.92–2.47) | 1.68 (1.00–2.80) |
Cough during day or night during the winter | 1.91 (1.37–2.66) | 1.91 (1.35–2.70) | 0.97 (0.58–1.60) | 1.06 (0.63–1.79) |
Phlegm in morning during the winter | 1.83 (1.28–2.61) | 1.81 (1.26–2.62) | 1.24 (0.75–2.05) | 1.28 (0.75–2.18) |
Phlegm during day or night during the winter | 2.00 (1.38–2.90) | 2.02 (1.38–2.96) | 1.17 (0.67–2.05) | 1.04 (0.56–1.93) |
Chronic bronchitis | 1.74 (1.10–2.77) | 1.63 (1.00–2.66) | 1.39 (0.74–2.60) | 1.29 (0.65–2.55) |
Asthma ever | 1.11 (0.73–1.69) | 0.97 (0.62–1.52) | 1.51 (0.95–2.42) | 1.54 (0.93–2.54) |
nGOR | 1.82 (1.27–2.60) | 1.74 (1.20–2.52) | 0.87 (0.52–1.45) | 0.92 (0.54–1.58) |
Chronic bronchitis | 1.74 (1.10–2.77) | 1.63 (1.00–2.66) | 1.39 (0.75–2.60) | 1.23 (0.65–2.54) |
COPD | 2.73 (1.26–5.91) | 2.64 (1.15–6.06) | 1.30 (0.39–4.39) | 1.98 (0.23–4.25) |
Nasal allergies including hay fever | 1.18 (0.86–1.62) | 2.64 (1.15–6.06) | 1.09 (0.74–1.61) | 0.98 (0.23–4.25) |
Nose blocked for >12 weeks last 12 months | 2.66 (1.72–4.10) | 2.66 (1.71–4.14) | 2.07 (1.17–3.69) | 1.74 (0.90–3.37) |
Significance (p<0.05) is marked as bold. Logistic regression model. Normal sleep length was used as a reference group.
*Adjusted for gender, age, centre, marital status, exercise and current smoking.
†Adjusted for gender, age, centre, marital status, exercise and current smoking and BMI.
BMI, body mass index; COPD, chronic obstructive pulmonary disease; nGOR, nocturnal gastro-oesophageal reflux.