Validation of a 24-hour recall for assessing physical activity

2010 – 2013

    Our group has developed a 24-hour recall for assessing physical activity, aimed to evaluate in detail light, moderate and vigorous activities, as well as sedentary behavior in adults and elderly through an interview. The activities are coded in a specific software and classified according to the Barbara Ainsworth et al.’s compendium of physical activities. The software generates as outcomes minutes of daily practice of light, moderate and vigorous activity and sedentary behavior. Two validation studies have been conducted with adults and elderly, using accelerometry as reference method. Both have shown good validity (more information in the “Papers” section). Next steps are improving the software so that it can be incorporated into new technologies, like cellphones, and conduct further validation studies using doubly labeled water and with adolescents.

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