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Demographic and respiratory health characteristics of the study population (N = 576) |
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| Men‡ |
Women‡ |
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|
|
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| Total number |
280 (100%) |
296 (100%) |
| Age 20 to 44 years |
135 (48.2%) |
145 (49.0%) |
| Age 45 to 70 years |
145 (51.8%) |
151 (51.0%) |
| Current smokers |
145 (51.8%) |
62 (20.9%) |
| Ex-smokers |
76 (27.1%) |
31 (10.5%) |
| Never smokers |
59 (21.1%) |
203 (68.6%) |
| Chronic cough* |
69 (24.6%) |
24 (8.1%) |
| Chronic phlegm* |
59 (21.1%) |
10 (3.4%) |
| Wheezing during the last year |
127 (45.4%) |
93 (31.4%) |
| Wheezing apart from cold |
92 (32.9%) |
38 (12.8%) |
| Persistent wheezing† |
32 (11.4%) |
18 (6.1%) |
| Standing height (m)▫ |
1.70 (0.08) |
1.57 (0.07) |
| FEV1 (L)▫ |
3.50 (0.88) |
2.65 (0.59) |
| FEV1 to FVC ratio (%)▫ |
75.5 (9.2) |
79.1 (6.5) |
| MMEF (L/s)▫ |
3.29 (1.46) |
2.81 (0.95) |
| FEV1 <80% of predicted▫ |
42 (16.7%) |
21 (8.5%) |
| FEV1 to FVC ratio <70%▫ |
49 (19.5%) |
24 (9.8%) |
| FEV1<80% of predicted and FEV1/FVC<70%▫ |
26 (10.4%) |
10 (4.1%) |
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‡Number (%) or mean (standard deviation) are given ▫Number of subjects with lung function data: 497 (251 men and 246 women) * Most of the days at least three months a year during two consecutive years † Wheezing most of the days or night | ||
Jaén et al. Environmental Health: A Global Access Science Source 2006 5:2 doi:10.1186/1476-069X-5-2 |
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