Limits to the measurement of habitual physical activity by questionnaires

RJ Shephard - British journal of sports medicine, 2003 - bjsm.bmj.com
Despite extensive use over 40 years, physical activity questionnaires still show limited
reliability and validity. Measurements have value in indicating conditions where an increase …

The physical activity levels of preschool-aged children: A systematic review

P Tucker - Early childhood research quarterly, 2008 - Elsevier
This systematic review presents research on the physical activity levels of preschool-aged
children (aged 2–6 years). Thirty-nine primary studies (published 1986–2007) representing …

Reproducibility and relative validity of the short questionnaire to assess health-enhancing physical activity

GCW Wendel-Vos, AJ Schuit, WHM Saris… - Journal of clinical …, 2003 - Elsevier
OBJECTIVE: The purpose of this study is to determine reproducibility and relative validity of
the Short QUestionnaire to ASsess Health-enhancing physical activity (SQUASH) …

Leisure-time physical activity in university students from 23 countries: associations with health beliefs, risk awareness, and national economic development

A Haase, A Steptoe, JF Sallis, J Wardle - Preventive medicine, 2004 - Elsevier
Background. Physical inactivity has been linked with chronic disease and obesity in most
western populations. However, prevalence of inactivity, health beliefs, and knowledge of the …

Factors affecting levels of physical activity in adults

V Seefeldt, RM Malina, MA Clark - Sports medicine, 2002 - Springer
A large proportion of adults in Western cultures are physically inactive, despite several
decades of warnings about the potentially negative health consequences of a sedentary …

Distribution and determinants of sedentary lifestyles in the European Union

JJ Varo, MA Martínez-González… - International journal …, 2003 - academic.oup.com
Background Many studies have shown the health burden of a sedentary lifestyle. The main
goal of this study was to determine the prevalence of sedentary lifestyles in the 15 Member …

Challenges and opportunities for measuring physical activity in sedentary adults

CE Tudor-Locke, AM Myers - Sports medicine, 2001 - Springer
Increasing the physical activity of typically sedentary adult populations is at the forefront of
the public health agenda. This review addresses the challenges in defining and measuring …

Quantifying physical activity in daily life with questionnaires and motion sensors in COPD

F Pitta, T Troosters, VS Probst, MA Spruit… - European respiratory …, 2006 - Eur Respiratory Soc
Accurate assessment of the amount and intensity of physical activity in daily life is
considered very important due to the close relationship between physical activity level …

Physical activity in US adults with diabetes and at risk for developing diabetes, 2003

EH Morrato, JO Hill, HR Wyatt, V Ghushchyan… - Diabetes …, 2007 - Am Diabetes Assoc
OBJECTIVE—Given the risk of obesity and diabetes in the US, and clear benefit of exercise
in disease prevention and management, this study aimed to determine the prevalence of …

Methodological considerations for researchers and practitioners using pedometers to measure physical (ambulatory) activity

CE Tudor-Locke, AM Myers - Research quarterly for exercise and …, 2001 - Taylor & Francis
Researchers and practitioners require guidelines for using electronic pedometers to
objectively quantify physical activity (specifically ambulatory activity) for research and …