Validation of the SQUASH Physical Activity Questionnaire in a Multi-Ethnic Population: The HELIUS Study.
Mary NicolaouM G J GademanM B SnijderR H H EngelbertH DijkshoornC B TerweeK StronksPublished in: PloS one (2016)
We found considerable variation in the test-re-test reliability and validity of self-reported PA with no consistency based on ethnic origin. Our findings imply that the SQUASH does not provide a valid basis for comparison of PA between ethnic groups.