What physical activity surveillance needs: validity of a single-item questionnaire

Using a single question to assess physical activity in older adults: a reliability and validity study

(2012) Dawn P Gill et al.   BMC Medical Research Methodology

Can a single question provide an accurate measure of physical activity?

(2012) Karen Milton et al.   BRITISH JOURNAL OF SPORTS MEDICINE

Effect of physical inactivity on major non-communicable diseases worldwide: an analysis of burden of disease and life expectancy

(2012) I-Min Lee et al.   LANCET

Validation of Wearable Monitors for Assessing Sedentary Behavior

(2011) SARAH KOZEY-KEADLE et al.   MEDICINE AND SCIENCE IN SPORTS AND EXERCISE

Accelerometer-Determined Physical Activity in Adults and Older People

(2011) BJØRGE HERMAN HANSEN et al.   MEDICINE AND SCIENCE IN SPORTS AND EXERCISE

Reliability and validity testing of a single-item physical activity measure

(2010) K. Milton et al.   BRITISH JOURNAL OF SPORTS MEDICINE

What do IPAQ questions mean to older adults? Lessons from cognitive interviews

(2010) Kristiann C Heesch et al.   International Journal of Behavioral Nutrition and Physical Activity

Physical Activity Questionnaires for Adults

(2010) Mireille N.M. van Poppel et al.   SPORTS MEDICINE

Patterns of Objectively Measured Physical Activity in the United States

(2009) JESSE S. METZGER et al.   MEDICINE AND SCIENCE IN SPORTS AND EXERCISE

Amount of Time Spent in Sedentary Behaviors in the United States, 2003-2004

(2008) C. E. Matthews et al.   AMERICAN JOURNAL OF EPIDEMIOLOGY

A comparison of direct versus self-report measures for assessing physical activity in adults: a systematic review

(2008) Stephanie A Prince et al.   International Journal of Behavioral Nutrition and Physical Activity

Physical activity as determinant of daily energy expenditure

(2008) Klaas R. Westerterp   PHYSIOLOGY & BEHAVIOR