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Comparison of the EPIC Physical Activity Questionnaire with combined heart rate and movement sensing in a nationally representative sample of older British adults.

Cooper, Rachel and Espa, na-Romero V and Golubic, R and Martin, KR and Hardy, R and Ekelund, U and Kuh, D and Wareham, NJ and Cooper, R and Brage, S and scientific, NSHD and teams, data collection (2014) Comparison of the EPIC Physical Activity Questionnaire with combined heart rate and movement sensing in a nationally representative sample of older British adults. PLoS ONE, 9 (2). ISSN 1932-6203

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Abstract

Objectives: To compare physical activity (PA) subcomponents from EPIC Physical Activity Questionnaire (EPAQ2) and combined heart rate and movement sensing in older adults. Methods: Participants aged 60–64y from the MRC National Survey of Health and Development in Great Britain completed EPAQ2, which assesses self-report PA in 4 domains (leisure time, occupation, transportation and domestic life) during the past year and wore a combined sensor for 5 consecutive days. Estimates of PA energy expenditure (PAEE), sedentary behaviour, light (LPA) and moderate-to-vigorous PA (MVPA) were obtained from EPAQ2 and combined sensing and compared. Complete data were available in 1689 participants (52% women). Results: EPAQ2 estimates of PAEE and MVPA were higher than objective estimates and sedentary time and LPA estimates were lower [bias (95% limits of agreement) in men and women were 32.3 (261.5 to 122.6) and 29.0 (239.2 to 94.6) kJ/kg/day for PAEE; 24.6 (210.6 to 1.3) and 26.0 (210.9 to 21.0) h/day for sedentary time; 2171.8 (2454.5 to 110.8) and 260.4 (2367.5 to 246.6) min/day for LPA; 91.1 (2159.5 to 341.8) and 55.4 (2117.2 to 228.0) min/day for MVPA]. There were significant positive correlations between all self-reported and objectively assessed PA subcomponents (rho = 0.12 to 0.36); the strongest were observed for MVPA (rho = 0.30 men; rho = 0.36 women) and PAEE (rho = 0.26 men; rho = 0.25 women). Conclusion: EPAQ2 produces higher estimates of PAEE and MVPA and lower estimates of sedentary and LPA than objective assessment. However, both methodologies rank individuals similarly, suggesting that EPAQ2 may be used in etiological studies in this population.

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