Introduction
Material and methods
Study design and study sample inclusive ethics
Definitions
Data analysis (statistics)
Results
Study sample
Baseline | All | Nasal symptoms (at follow-up) | p | Snoring (at follow-up) | p | ||
---|---|---|---|---|---|---|---|
n = 10,112 | No, n = 4903 | Yes, n = 5209 | No, n = 7608 | Yes, n = 2504 | |||
Age, mean ± SD | 40.8 ± 7.2 | 41.0 ± 7.3 | 40.6 ± 7.2 | < 0.001 | 40.4 ± 7.3 | 41.8 ± 6.9 | < 0.001 |
Sex (female) | 54% | 52% | 57% | < 0.001 | 59% | 38% | < 0.001 |
BMI1 mean ± SD | 24.6 ± 4.0 | 24.7 ± 4.1 | 24.6 ± 4.0 | 0.08 | 24.2 ± 3.9 | 26.1 ± 4.1 | < 0.001 |
Smoking | |||||||
Never | 25% | 25% | 26% | 0.2 | 23% | 31% | < 0.001 |
Previous | 47% | 48% | 46% | 49% | 40% | ||
Current | 25% | 25% | 26% | 26% | 27% | ||
Asthma | 7% | 2% | 11% | < 0.001 | 6% | 9% | < 0.001 |
Hay fever | 24% | 7% | 41% | < 0.001 | 23% | 25% | 0.04 |
Nasal symptoms | 48% | 25% | 72% | < 0.001 | 46% | 53% | < 0.001 |
Snoring | 18% | 16% | 19% | < 0.001 | 9% | 47% | < 0.001 |
Sleep apnoea | 1% | 1% | 1% | 0.6 | 0.5% | 2% | < 0.001 |
n-GER2 | 7% | 6% | 9% | < 0.001 | 6% | 11% | < 0.001 |
Unadjusted odds ratio (95% CI) for snoring | Adjusted odds ratio (95% CI) for snoring | |
---|---|---|
Nasal symptoms at baseline | 1.37 (1.22–1.54) | 1.38 (1.22–1.58) |
Age | 1.02 (1.01–1.03) | 1.02 (1.02–1.03) |
Age (38–49.9) (reference category) | 1 | 1 |
Age (50–59.9) (reference category (38–49.9) | 0.87 (0.73–1.04) | 1.52 (1.32–1.76) |
Age (60–67) (reference category (38–49.9) | 1.25 (1.05–1.49) | 1.33 (1.10–1.61) |
Sex (female) | 0.54 (0.48–0.61) | 0.49 (0.44–0.56) |
Δ-BMI | 1.14 (1.11–1.17) | 1.16 (1.13–1.19) |
Smoking previous | 1.14 (0.98–1.32) | 1.11 (0.95–1.29) |
Smoking current | 1.44 (1.25–1.66) | 1.32 (1.14–1.54) |
Unadjusted odds ratio (95% CI) | Adjusted odds ratio (95% CI) | |
---|---|---|
Snoring at baseline | 1.16 (0.98–1.38) | 1.22 (1.02–1.47) |
Age | 0.99 (0.98–1.00) | 0.97 (0.97–0.99) |
Age (38–49.9) (reference category) | 1 | 1 |
Age (50–59.9) (reference category (38–49.9) | 0.92 (0.81–1.06) | 1.27 (1.05–1.53) |
Age (60–67) (reference category (38–49.9) | 0.83 (0.69–0.97) | 1.13 (0.93–1.37) |
Sex (female) | 1.17 (1.03–1.32) | 1.22 (1.07–1.40) |
Δ-BMI | 1.04 (1.01–1.06) | 1.03 (1.01–1.06) |
Smoking previous | 1.17 (1.00–1.36) | 1.13 (0.98–1.29) |
Smoking current | 1.39 (1.19–1.61) | 1.39 (1.19–1.63) |