Validity and Repeatability of a Short Pregnancy Leisure Time Physical Activity Questionnaire

Authors: Aittasalo M, Pasanen M, Fogelholm M, Ojala K
Journal: Journal of Physical Activity and Health, 7(1), 109-118, 2010.

This study examined the validity and repeatability of a short leisure time physical activity (LTPA) questionnaire during pregnancy.  79 women with uncomplicated pregnancies and < 33 weeks of gestation participated. After completing the first questionnaire (LTPAQ1), participants entered 7-day LTPA and pedometer counts in a logbook and completed the second LTPA questionnaire (LTPAQ2). LTPAQ2 showed no correlation with pedometer, but moderate correlation with the logbook for the frequency of moderate to vigorous-intensity LTPA. In repeatability, the typical error for frequency estimates varied from 1.2 to 3.7 sessions and coefficient of variation for duration varied from 119 to 369%. The corresponding values for systematic error were -1.0 to 0.3 sessions and 4 to 36%. The 95% limits of agreement for single variables were large.

Keywords: PA Measurement, Cross-Sectional Survey, Adults (18 or older), Community, Leisure-time

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