Repeatability and accuracy of CHAMPS as a measure of physical activity in a community sample of older Australian adults.

BACKGROUND One- to two-week test-retest reliability and construct validity (against pedometer step counts) of the CHAMPS physical activity questionnaire were evaluated in older Australian adults. METHODS Participants (n=100, age>65 years) were invited to complete CHAMPS by mail. Spearman correlation coefficients are reported for physical activity… CONTINUE READING