NUTR 3070 Chapter Notes - Chapter 2: Accelerometer
11 May 2020
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Document Summary
Article 2- validity and reliability of three self-report instruments for assessing. Attainment of physical activity guidelines in university students - murphy. Purpose: comparing the validity and reliability of 3 short physical activity self- report instruments to determine their potential for use w/ university student populations. Correlations b/w self-reported and accelerometer derived moderate-to- vigorous physical activity levels were moderate for the international physical. Activity questionnaire, while levels were poor for the single-item measure and the brief 2-item measure. The agreement level was high with the international physical activity. Questionnaire (77. 4%) and moderate for both the single item measure (45. 2%) and a brief two-item measure (44. 5%) Correlations b/w the 2 administrations were moderate to strong across all measures (. 52-. 70) in 133 participants: all reliable, but only ipaq valid.
