Nonbiologic risk factors of pulmonary tuberculosis among adults in Henan: A case-control study
OBJECTIVE: To study the nonbiologic risk factors of tuberculosis (TB) among adults. METHODS: 1:2 matched case-control study was conducted. 158 new smear positive pulmonary TB patients with 25 - 60 years of age were notified and registered from three county anti-TB institutions in Henan from October 2002-March 2004, were selected as cases. Two healthy persons were selected to match each case, with the same sex and age group, from the nearest neighbors of the case as controls. Interview was...[Show more]
|Collections||ANU Research Publications|
|Source:||Chinese Journal of Epidemiology (Zhonghua Liuxingbingxue Zazhi)|
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