Abstract:
:The effects of smoking habits, socio-occupational factors and respiratory symptoms in the development of airflow obstruction have been studied in a working population of 575 men aged 30-54 in 1960 and surveyed in 1960 and 1972. On average, FEV1 decreased by 47 ml/annum. Apart from FEV1 level, which reflects loss since the beginning of adult life, three factors were independently related to FEV1 slope: tobacco consumption, occupational exposure and social class. The decrease of FEV1 with smoking was dose related and decelerated among those who stopped smoking. This follow-up study ruled against phlegm as a causal factor of early stage airflow obstruction, although its role is not excluded at later stages.
journal_name
Int J Epidemioljournal_title
International journal of epidemiologyauthors
Kauffmann F,Drouet D,Lellouch J,Brille Ddoi
10.1093/ije/8.3.201subject
Has Abstractpub_date
1979-09-01 00:00:00pages
201-12issue
3eissn
0300-5771issn
1464-3685journal_volume
8pub_type
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