A checklist for evaluating the methodological quality of validation studies on self-report instruments for physical activity and sedentary behavior.

The quality of methodological papers assessing physical activity instruments depends upon the rigor of a study's design.We present a checklist to assess key criteria for instrument validation studies.A Medline/PubMed search was performed to identify guidelines for evaluating the methodological quality of instrument validation studies. Based upon the literature, a pilot version of a checklist was developed consisting of 21 items with 3 subscales:...