Figure 1 Estimates of the prevalence (%) of the U.S. population with selected risk factors for coronary heart disease and the population from England. In both studies, a sedentary lifestyle was taken as 'no physical activity' or irregular physical activity (i.e., fewer than three times per week and/or less than 20 minutes persession). (From Killoran AJ, Fentem P, and Caspersen C (eds.) (1994) Moving On. International Perspectives on Promoting Physical Activity. London: Health Education Authority, with permission.)
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