Abstract：
BACKGROUND:To date, no study has objectively measured physical activity levels among U.S. adults according to the 2008 Physical Activity Guidelines for Americans (PAGA). PURPOSE:The purpose of this study was to assess self-reported and objectively measured physical activity among U.S. adults according to the PAGA. METHODS:Using data from the NHANES 2005-2006, the PAGA were assessed using three physical activity calculations: moderate plus vigorous physical activity ≥150 minutes/week (MVPA); moderate plus two instances of vigorous physical activity ≥150 minutes/week (M2VPA); and time spent above 3 METs ≥500 MET-minutes/week (METPA). Self-reported physical activity included leisure, transportation, and household activities. Objective activity was measured using Actigraph accelerometers that were worn for 7 consecutive days. Analyses were conducted in 2009-2010. RESULTS:U.S. adults reported 324.5 ± 18.6 minutes/week (M ± SE) of moderate physical activity and 73.6 ± 3.9 minutes/week of vigorous physical activity, although accelerometry estimates were 45.1 ± 4.6 minutes/week of moderate physical activity and 18.6 ± 6.6 minutes/week of vigorous physical activity. The proportion of adults meeting the PAGA according to M2VPA was 62.0% for self-report and 9.6% for accelerometry. CONCLUSIONS:According to the NHANES 2005-2006, fewer than 10% of U.S. adults met the PAGA according to accelerometry. However, physical activity estimates vary substantially depending on whether self-reported or measured via accelerometer.
journal_name
Am J Prev Medjournal_title
American journal of preventive medicineauthors
Tucker JM,Welk GJ,Beyler NKdoi
10.1016/j.amepre.2010.12.016subject
Has Abstractpub_date
2011-04-01 00:00:00pages
454-61issue
4eissn
0749-3797issn
1873-2607pii
S0749-3797(11)00012-2journal_volume
40pub_type
杂志文章abstract：:As the first Centers for Disease Control and Prevention (CDC) Prevention Research Centers Program thematic network, the Healthy Aging Research Network was established to better understand the determinants of healthy aging within older adult populations, identify interventions that promote healthy aging, and assist in ...
journal_title：American journal of preventive medicine
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journal_title：American journal of preventive medicine
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journal_title：American journal of preventive medicine
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journal_title：American journal of preventive medicine
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