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To assess the test‐retest reliability and validity of a modified self‐administered version of the Active Australia physical activity survey.

One hundred and fifty‐nine mid‐age women (54–59 years) completed a mailed physical activity questionnaire before recording daily pedometer step counts for seven consecutive days. A random subsample (n=44) also wore an accelerometer during this period. Participants then completed the physical activity questionnaire again. Spearman's ρ and per cent agreement were used to assess test‐retest reliability. Self‐reported physical activity data (time 2) were compared with pedometer and accelerometer data using box plots and Spearman's correlations to assess validity.

Median time between surveys was 13 days. Median frequency and duration of moderate and vigorous physical activity were the same at both surveys, but median walking frequency was …