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Frequency distribution of total physical activity time measured with the IPAQ (MET-min/wk). Arrows indicate the 600 MET-min/wk and 3000 MET-min/wk thresholds. Of all participants, 12% did not achieve 600 MET-min/wk, and 45% did not achieve 3000 MET-min/wk. Bin width = 600.
