Reliability, validity, and methodological issues in assessing physical activity in older adults.
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Division of Kinesiology and Health Promotion at California State University, Fullerton, USA.
D000203:Activities of Daily Living; D000368:Aged; D000375:Aging / Q000502:physiology*; D006233:Persons with Disabilities; D005260:Female; D006801:Humans; D008019:Life Style; D008297:Male; D008875:Middle Aged; D010809:Physical Fitness; D015203:Reproducibility of Results; D012107:Research Design; D012680:Sensitivity and Specificity; D011795:Surveys and Questionnaires / Q000592:standards