Chronic obstructive pulmonary disease (COPD) has been a major public health problem due to its high prevalence, morbidity, and mortality. Smoking is a major risk factor for COPD, while serious psychological distress (SPD) is prevalent among COPD patients. However, no study focusing on the effect of SPD on COPD has been so far conducted, while few studies have focused on the associations of SPD and behavioral factors with COPD by smoking status.This study aimed to examine the associations of SPD and behavioral factors (such as smoking and physical activity) with COPD.Weighted logistic regression models were used for the analysis of 1,248 cases and 39,995 controls from the 2005 California Health Interview Survey (CHIS).The prevalence of SPD was 10

作者：Ke-Sheng, Wang；Liang, Wang；Shimin, Zheng；Long-Yang, Wu

来源：International journal of high risk behaviors & addiction 2013 年 2卷 2期