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. 1965 Apr 24;92(17):899-905.

THE CHILLIWACK RESPIRATORY SURVEY, 1963. I. METHODOLOGY

D O ANDERSON, B G FERRIS Jr, T W DAVIS

THE CHILLIWACK RESPIRATORY SURVEY, 1963. I. METHODOLOGY

D O ANDERSON et al. Can Med Assoc J. .

Abstract

In order to ascertain the prevalence of chronic respiratory disease in residents of a rural town and to determine the relative importance of tobacco smoking and air pollution, a survey was conducted of 726 persons living at Chilliwack, British Columbia, in May and June, 1963. Over 95% of a random sample of adults was interviewed and performed simple tests of respiratory function. The sample was selected from a commercial census. An analysis of the demographic characteristics of the sample indicated that the group, aged 25 to 74 years, was reasonably representative for detailed study of chronic respiratory disease.

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