Development and evaluation of the physical activity questionnaire for elderly Japanese: the Nakanojo study.

  title={Development and evaluation of the physical activity questionnaire for elderly Japanese: the Nakanojo study.},
  author={Akitomo Yasunaga and Hyuntae Park and Eiji Watanabe and Fumiharu Togo and Sungjin Park and Roy J Shephard and Yukitoshi Aoyagi},
  journal={Journal of aging and physical activity},
  volume={15 4},
The Physical Activity Questionnaire for Elderly Japanese (PAQ-EJ) is a self-administered physical activity questionnaire for elderly Japanese; the authors report here on its repeatability and direct and indirect validity. Reliability was assessed by repeat administration after 1 month. Direct validation was based on accelerometer data collected every 4 s for 1 month in 147 individuals age 65-85 years. Indirect validation against a 10-item Barthel index (activities of daily living [ADL]) was… 

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