We studied the steady-state disposition of slow release theophylline tablets and granules in 12 institutionalized (I) and 12 community-dwelling (C) elderly patients with fixed chronic obstructive lung disease. Design was open label with random order crossover; each formulation was given 5 min before
Social and occupational differences in chronic obstructive lung disease in Denmark 1981–1993
✍ Scribed by Finn Tüchsen; Harald Hannerz
- Publisher
- John Wiley and Sons
- Year
- 2000
- Tongue
- English
- Weight
- 148 KB
- Volume
- 37
- Category
- Article
- ISSN
- 0271-3586
No coin nor oath required. For personal study only.
✦ Synopsis
Background:
Chronic obstructive pulmonary disease (copd) is a common crippling disorder related to exposure to noxious dust and fumes. the purpose of this study was to estimate relative rates of copd in socioeconomic groups and in 'classic' high-risk industries.
Methods:
Cohorts of all gainfully employed 20-59 year old danes in the years 1981, 1986, and 1991 were formed, to compare standardized hospitalization ratios (shr) and time trends (1981-93).
Results:
The risk ratio (rr) between unskilled workers and senior salaried staff was 2.31, (95% ci 2.13-2.51) for men and 1.62 (1.38-1.92) for women. among classic high-risk occupations we found a decreasing shr in farmers and an increasing shr in the hotel and restaurant industry and for taxi and bus drivers. the study confirmed earlier reports on high risks in the metal, rubber, and bakery industries.
Conclusions:
Apart from the reduced shr among farmers there were no signs of decreasing differences in copd risk.
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