Validity and Reliability of Three Self-Report Instruments for Assessing Attainment of Physical Activity Guidelines in University Students

Joey Murphy, Marie H Murphy, Ciaran MacDonncha, Murphy Niamh, Nevill Alan, Catherine Woods

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

The purpose of this study was to compare the validity and reliability of three short physical activityself-report instruments to determine their potential for use with university student populations. Theparticipants (N = 155; 44.5%male; 22.9 ± 5.13 years) wore an accelerometer for 9 consecutive days andcompleted a single-item measure, the a brief two itemmeasure and the International Physical ActivityQuestionnaire—Short Form questionnaires on day 1 and 9. Correlations between self-reported andaccelerometer derived moderate-to-vigorous physical activity levels were moderate for theInternational Physical Activity Questionnaire—Short Form, while poor for the single-item measureand the a brief two item measure. The agreement level was high with the International PhysicalActivity Questionnaire—Short Form (77.4%) and moderate for both the single-item measure (45.2 %)and a brief two item measure (44.5 %). The intraclass correlations between the two administrationswere moderate to strong across all measures (0.52–0.70) in 133 participants. The International PhysicalActivity Questionnaire—Short Form is the most suitable of these three self-report instruments for usewith this population due to higher correlations and levels of agreement with accelerometry.
Original languageEnglish
Pages (from-to)134-141
JournalMeasurement in Physical Education and Exercise Science
Volume21
Issue number3
Early online date23 Mar 2017
DOIs
Publication statusE-pub ahead of print - 23 Mar 2017

Keywords

  • measurement
  • reliability
  • university students
  • validity

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