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Chronic obstructive pulmonary disease (COPD) is a leading cause of death worldwide. Cigarette smoking is the main cause of COPD. Quitting smoking is thus the most effective treatment strategy and central in COPD prevention. A number of guidelines on prevention, diagnosis, therapy and rehabilitation of COPD have been published. To help implementing and standardizing smoking cessation in COPD a guideline was published 2008 in Germany focusing on this complex issue. The present guideline is an update of the 2008 guideline and has a high grade of evidence (S3 according to the AWMF; Arbeitsgemeinschaft wissenschaftlicher medizinischer Fachgesellschaften). The guideline gives comprehensive and practical information on how to integrate smoking cessation as an central part of COPD therapy.

The article investigates different sub-groups of sedentary adults based on their socio-demographic characteristics and perceived barriers to physical activity. Data stem from the Germans Survey of Sedentary Adults (n=10.000) and the data analysis used logistic regressions and cluster analysis. The results indicate that sedentary adults are a diverse group when socio-demographic characteristics and perceived barriers to physical activity are considered. Barriers such as lack of social contacts or time for physical activity are perceived by specific subgroups of this population. In contrast, only few sedentary adults report multiple barriers to physical activity. The results also provide indications for potentially successful strategies to promote physical activity among sedentary adults.

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