Background Feasible, cost-effective instruments are required for the surveillance of
moderate-to-vigorous physical activity (MVPA) and sedentary behaviour (SB) and to assess …

Background In order to accurately measure and monitor levels of moderate-to-vigorous
physical activity (MVPA) and sedentary behaviour (SB) in older adults, cost efficient and …

Objective This systematic review evaluated the measurement properties of current self-
report physical activity questionnaires (SRPAQs) completed within healthy adult …

Background The Physical Activity and Sedentary Behaviour Assessment Questionnaire
(PASBAQ), used within the Health Survey for England (HSE) at 5-yearly intervals, is not …

Background The aim was to determine the reliability and validity of IPAQ measured
sedentary behaviour (SB) and moderate–vigorous physical activity (MVPA) in older persons …

Background Adequate monitoring of older adults' physical activity (PA) is essential to
develop effective health promotion programs. The present study examined criterion validity …

This review and meta-analysis (PROSPERO registration number: CRD42020138845)
critically evaluates test-retest reliability, concurrent validity and criterion validity of different …

Background: Valid and reliable self-report measures of physical activity (PA) are needed to
evaluate the impact of interventions aimed at increasing the levels of PA. However, few valid …

Purpose: Instruments to assess physical activity are needed for (inter) national surveillance
systems and comparison. Methods: Male and female adults were recruited from diverse …

Adrian Bauman, Barbara E. Ainsworth, Fiona Bull, Cora L. Craig, Maria Hagströmer, James
F. Sallis, Michael Pratt, and Michael Sjöström designed to allow for country-specific …