Secular trends in moderate-to-vigorous physical activity in 32 countries from 2002 to 2010: a cross-national perspective

Karim Khan: good sport

(2012) David Holmes   LANCET

Secular trends: a ten-year comparison of the amount and type of physical activity and inactivity of random samples of adolescents in the Czech Republic

(2011) Dagmar Sigmundová et al.   BMC PUBLIC HEALTH

What proportion of youth are physically active? Measurement issues, levels and recent time trends

(2011) U. Ekelund et al.   BRITISH JOURNAL OF SPORTS MEDICINE

An assessment of self-reported physical activity instruments in young people for population surveillance: Project ALPHA

(2011) Stuart JH Biddle et al.   International Journal of Behavioral Nutrition and Physical Activity

Test-retest reliability of selected items of Health Behaviour in School-aged Children (HBSC) survey questionnaire in Beijing, China

(2010) Yang Liu et al.   BMC Medical Research Methodology

Too Much Sitting

(2010) Neville Owen et al.   EXERCISE AND SPORT SCIENCES REVIEWS

Trend in active transportation to school among Swiss school children and its associated factors: three cross-sectional surveys 1994, 2000 and 2005

(2010) Leticia Grize et al.   International Journal of Behavioral Nutrition and Physical Activity

Systematic review of the health benefits of physical activity and fitness in school-aged children and youth

(2010) Ian Janssen et al.   International Journal of Behavioral Nutrition and Physical Activity

Socioeconomic Effects on Meeting Physical Activity Guidelines

(2009) ALBERTO BORRACCINO et al.   MEDICINE AND SCIENCE IN SPORTS AND EXERCISE

How active are American adolescents and have they become less active?

(2009) S. Li et al.   Obesity Reviews

Researching health inequalities in adolescents: The development of the Health Behaviour in School-Aged Children (HBSC) Family Affluence Scale

(2008) Candace Currie et al.   SOCIAL SCIENCE & MEDICINE