Abstract:
:Older adult physical activity (PA) levels obtained from the International Physical Activity Questionnaire-Short Form (IPAQ) and accelerometry (ACC) were compared. Mean difference scores between accumulated or bout ACC PA and the IPAQ were computed. Spearman rank-order correlations were used to assess relations between time spent in PA measured from ACC and self-reported form of the IPAQ, and percentage agreement across measures was used to classify meeting or not meeting PA recommendations. The IPAQ significantly underestimated sitting and overestimated time spent in almost all PA intensities. Group associations across measures revealed significant relations in walking, total PA, and sitting for the whole group (r = .29-.36, p < .05). Significant relationships between bout ACC and IPAQ walking (r = .28-.39, p < .05) were found. There was 40-46% agreement between measures for meeting PA recommendations. The IPAQ appears not to be a good indicator of individual older adult PA behavior but is better suited for larger population-based samples.
journal_name
J Aging Phys Actjournal_title
Journal of aging and physical activityauthors
Grimm EK,Swartz AM,Hart T,Miller NE,Strath SJdoi
10.1123/japa.20.1.64subject
Has Abstractpub_date
2012-01-01 00:00:00pages
64-79issue
1eissn
1063-8652issn
1543-267Xjournal_volume
20pub_type
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