Table 2 Proportion of cases (participants with disability pension) in relation to baseline characteristics
From: Does lung function predict the risk of disability pension? An 11-year register-based follow-up study
Total n/mean | Cases n/mean | Proportion of cases % | P-value | |
|---|---|---|---|---|
All | 3386 | 362 | 10.7 | |
Study groups | ||||
Controls | 3180 | 327 | 10.3 | 0.005 |
Obstructive spirometry | 111 | 16 | 14.4 | |
Restrictive spirometry | 95 | 19 | 20.0 | |
Background variables | ||||
Age, mean, years | 44.3 (8.3) | 48.7 (6.6) | < 0.001 | |
Gender | 0.018 | |||
Male | 1667 | 157 | 9.4 | |
Female | 1719 | 205 | 11.9 | |
Only basic education | 757 | 127 | 16.8 | < 0.001 |
Doctor-diagnosed asthma | 223 | 33 | 14.8 | 0.040 |
Self-reported COPD | 19 | 6 | 31.6 | 0.012 |
Chronic brochitis | 106 | 17 | 16.0 | 0.055 |
Comorbidities | < 0.001 | |||
0 | 1763 | 111 | 6.3 | |
1 | 1098 | 123 | 11.2 | |
≥ 2 | 525 | 128 | 24.4 | |
Smoking | ||||
Non-smoker | 1620 | 149 | 9.2 | 0.026 |
Ex-smoker | 695 | 83 | 11.9 | |
Current smoker | 1070 | 130 | 12.1 | |
Cotinine > 100 μg | 918 | 124 | 13.5 | 0.001 |
BMI | < 0.001 | |||
< 25 | 1411 | 115 | 8.2 | |
25–29.9 | 1347 | 151 | 11.2 | |
≥ 30 | 627 | 96 | 15.3 | |
Physically active | 1886 | 195 | 10.3 | 0.586 |