https://www.selleckchem.com/pr....oducts/apo866-fk866.
Background In low- and middle-income countries, sedentary behavior is widely prevalent in the young. Reliable and valid instruments are essential for evaluating sedentary behavior and physical activity in children and adolescents. Objectives To evaluate the reliability and validity of an easy to use physical activity questionnaire for children and adolescents from India. Study design Evaluation of a questionnaire tool. Participants 104 children and adolescents belonging to the age group of 10-17 years were selected using a purposiv
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