Table 6.
Characteristics of subgroups of the study population (n = 6305) in %, based on spirometry and self-reported asthma or COPD
| |
Male gender |
Age 65 years or more |
Former smokers |
Current smokers |
Self-reported cardiovascular disease |
Bad/very bad self-rated health |
|---|---|---|---|---|---|---|
| % | % | % | % | % | % | |
| No asthma or COPD reported, FEV1/FVC ≥ 0.7 (n = 4436) |
42.1 |
36.8 |
46.1 |
14.4 |
15.6 |
3.9 |
| Asthma or COPD reported, but FEV1/FVC ≥ 0.7 (n = 445) |
30.8 |
35.5 |
46.9 |
17.5 |
18.9 |
14.4 |
| Asthma or COPD reported, and FEV1/FVC <0.7 (n = 380) |
44.4# |
61.9 |
57.2& |
26.9£ |
28.1 |
13.9& |
| Asthma or COPD not reported but GOLD 1 (n = 559) |
47.8 |
60.5 |
47.1 |
27.3 |
20.1 |
4.9 |
| but GOLD 2–4 (n = 485) | 55.3 | 57.5 | 45.6 | 38.1 | 27.6 | 5.4 |
# p = 0.02, & p < 0.001, £ p = 0.05: statistical significance of the differenece between those who did and who did not report asthma or COPD amongst the participants with FEV1/FVC ratio <0.7 (GOLD 1–4 spirometry).