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Data from: Validation of the Regicor short physical activity questionnaire for the adult population

Citation

Peñafiel, Judith et al. (2017), Data from: Validation of the Regicor short physical activity questionnaire for the adult population, Dryad, Dataset, https://doi.org/10.5061/dryad.r0n89

Abstract

Objective: To develop and validate a short questionnaire to estimate physical activity (PA) practice and sedentary behavior for the adult population. Methods: The short questionnaire was developed using data from a cross-sectional population-based survey (n=6352) that included the Minnesota leisure-time PA questionnaire. Activities that explained a significant proportion of the variability of population PA practice were identified. Validation of the short questionnaire included a cross-sectional component to assess validity with respect to the data collected by accelerometers and a longitudinal component to assess reliability and sensitivity to detect changes (n=114, aged 35 to 74 years). Results: Six types of activities that accounted for 87% of population variability in PA estimated with the Minnesota questionnaire were selected. The short questionnaire estimates energy expenditure in total PA and by intensity (light, moderate, vigorous), and includes 2 questions about sedentary behavior and a question about occupational PA. The short questionnaire showed high reliability, with intraclass correlation coefficients ranging between 0.79 to 0.95. The Spearman correlation coefficients between estimated energy expenditure obtained with the questionnaire and the number of steps detected by the accelerometer were as follows: 0.36 for total PA, 0.40 for moderate intensity, and 0.26 for vigorous intensity. The questionnaire was sensitive to detect changes in moderate and vigorous PA (correlation coefficients ranging from 0.26 to 0.34). Conclusion: The REGICOR short questionnaire is reliable, valid, and sensitive to detect changes in moderate and vigorous PA. This questionnaire could be used in daily clinical practice and epidemiological studies.

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