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Abstract
Use of combined method, accelerometer and international physical activity questionnaire, to determinate occurence of physical inactivity in adults
Highlights
Physical inactivity (PI) is a major risk factor for many diseases, cardiovascular diseases[1, 2]
In the combined method proposed here, we considered physically inactive all participants who showed total score of the International Physical Activity Questionnaire (IPAQ) < 600 MET/min.week-1 and/or quantity and intensity of physical activity in daily life (PADL) < 150 min/week of moderate-to-vigorous physical activity obtained by triaxial accelerometry
We assessed the proportion of PI among asymptomatic adults using the IPAQ and triaxial accelerometers
Summary
Physical inactivity (PI) is a major risk factor for many diseases, cardiovascular diseases[1, 2]. The simplest way to assess the PADL is using questionnaires. This tool has been widely used in population-based samples due to its low cost and its ability to collect detailed information on the type of activity[4]. Among these questionnaires, the most widely used are the International Physical Activity Questionnaire (IPAQ)[5]. The self-report may generate biases of interpretation and accuracy of the information provided, in individuals with lower educational level[6,7]. Triaxial accelerometers are the most accurate and reliable method compared to the doubly labeled water and has been recommended for routine strategy in epidemiological studies[8]
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