Trends in leisure-, transport-, and work-related physical activity in Canada 1994–2005

Background : In Canada, data show adults had a lower energy intake in 2004 than in 1972. Data also show adults expended more energy through leisure-time physical activity in 2000 than in 1981. On the other hand, the prevalence of overweight and obesity (combined) rose from 49.2% to 59.1% between 1978 and 2004.
Purpose : This study aimed to chart trends in leisure-, transport-, and work-related physical activity in Canada between 1994 and 2005.
Methods : We used nationally representative data from the three National Population Health Surveys (1994, 1996, and 1998) and the three Canadian Community Health Surveys (2000, 2003, and 2005) (a repeated cross-sectional design). Sample sizes ranged from n = 17 626 (in 1994) to n = 132 221 (in 2005).
Results : Between 1994 and 2005, men became less inactive during leisure time (− 9.94% [9.89%–9.98%]), less inactive during transports (− 15.31% [15.26%–15.35%]), and more inactive at work (+ 5.18% [5.14%–5.22%]). Similar results were found for women.
Conclusions : Declining levels of physical activity at work may help explain the rising prevalence of overweight and obesity in Canada.

Source : http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B6WPG-5103WTK-3&_user=789722&_coverDate=09%2F09%2F2010&_rdoc=1&_fmt=high&_orig=search&_origin=search&_sort=d&_docanchor=&view=c&_acct=C000043357&_version=1&_urlVersion=0&_userid=789722&md5=b28cc15c32186c9400d617f7d7b2f452&searchtype=a

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