Domains of physical activity and all-cause mortality: systematic review and dose–response meta-analysis of cohort studies

The dose-response relation between physical activity and all-cause mortality is not well defined at present. We conducted a systematic review and meta-analysis to determine the association with all-cause mortality of different domains of physical activity and of defined increases in physical activity and energy expenditure.MEDLINE, Embase and the Cochrane Library were searched up to September 2010 for cohort studies examining all-cause mortality...