Differences between groups in annual declines in lung function over 9
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All were adjusted for the baseline lung function level for that parameter (i.e., FEV1, FVC, or FEV1/FVC ratio), age, sex, education, smoking status and intensity, ETS exposure, COPD status, BMI, occupational exposure to dust/gases/fumes, self-reported economic status, baseline biomass exposure index, the number of hours spent cooking each day, and living area size.
创建时间：
2015-12-02
