Comparability of accelerometer-and IPAQ-derived physical activity and sedentary time in South Asian women: a cross-sectional study

Whitney Babakus Curry, Janice L Thompson

Research output: Contribution to journalArticlepeer-review

14 Citations (Scopus)

Abstract

There is limited research documenting objectively measured physical activity (PA) and sedentary time (ST) in South Asian (SA) women, with no published evidence of the validity of self-report methods for assessment of PA/ST in SA. The purpose of this study was to compare accelerometer- and International Physical Activity Questionnaire (IPAQ)-derived PA/ST among SA women in the United Kingdom (UK) via a mixed-methods approach. One hundred and forty SA women wore an accelerometer for seven consecutive days; a sub-sample (n = 50) completed the IPAQ-Short Form (IPAQ-SF) and a brief structured interview. Accelerometer-derived metabolic equivalent (MET) minutes per week (min/wk) moderate-to-vigorous physical activity (MVPA) (mean ± SD) for the full sample was 793.94 (±519.44) and mean accelerometer-derived ST wk was 530.20 (±81.76). IPAQ-SF-derived MVPA (MET min/wk) was 636.80 (±2113.56) and mean ST wk was 315.31 (±266.98). Pearson correlations were not significant between accelerometer- and IPAQ-SF-assessed MVPA (r = −.119, p = .579) and ST (r = −.140, p = .229). Major themes synthesised from interviews included inability to recall sitting time and limited general knowledge of real-life examples of MVPA. These results suggest that the IPAQ-SF may not accurately measure PA/ST in the UK SA women. These findings are supported by qualitative evidence indicating several issues with interpretation and recall of PA/ST as assessed via this questionnaire.
Original languageEnglish
Pages (from-to)655-662
Number of pages8
JournalEuropean Journal of Sport Science
Volume15
Issue number7
Early online date24 Sept 2014
DOIs
Publication statusPublished - 2015

Keywords

  • Accelerometry
  • health behaviour
  • measurement
  • physical activity assessment

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