This list contains references from the content that can be linked to their source. For a full set of references and notes please see the PDF or HTML where available.
2 DW Harsha . The benefits of physical activity in childhood. American Journal of Medicine and Science 1995; 310(Suppl.): 109S–13S.
4 SJH Biddle , T Gorely , DJ Stensel . Health-enhancing physical activity and sedentary behaviour in children and adolescents. Journal of Sports Sciences 2004; 22: 679–701.
6 RR Pate , PS Freedson , JF Sallis , WC Taylor , J Sirard , SG Trost , . Compliance with physical activity guidelines: prevalence in a population of children and youth. Annals of Epidemiology 2002; 12: 303–8.
7 CJ Riddoch , L Bo Andersen , N Wedderkopp , M Harro , L Klasson-Heggebo , LB Sardinha , . Physical activity levels and patterns of 9- and 15-yr-old European children. Medicine and Science in Sports and Exercise 2004; 36: 86–92.
8 SG Trost , RR Pate , JF Sallis , PS Freedson , WC Taylor , M Dowda , . Age and gender differences in objectively measured physical activity in youth. Medicine and Science in Sports and Exercise 2002; 34: 350–5.
9 R Jago , T Baranowski . Non-curricular approaches for increasing physical activity in youth: a review. Preventive Medicine 2004; 39: 157–63.
10 H Wechsler , RS Devereaux , M Davis , J Collins . Using the school environment to promote physical activity and healthy eating. Preventive Medicine 2000; 31(Suppl.): 121S–37S.
11 EB Kahn , LT Ramsey , RC Brownson , GW Heath , EH Howze , KE Powell , . The effectiveness of interventions to increase physical activity A systematic review. American Journal of Preventive Medicine 2002; 22(Suppl.): 73S–107S.
12 EJ Stone , TL McKenzie , GJ Welk , ML Booth . Effects of physical activity interventions in youth, review and synthesis. American Journal of Preventive Medicine 1998; 15: 298–315.
13 JF Sallis , TL McKenzie , JE Alcaraz , B Kolody , N Faucette , MF Hovell . The effect of a 2-year physical education program (SPARK) on physical activity and fitness in elementary school students. American Journal of Public Health 1997; 87: 1328–34.
14 RV Luepker , CL Perry , SM McKinlay , PR Nader , GS Parcel , EJ Stone , . Outcomes of a field trial to improve children's dietary patterns and physical activity. The Child and Adolescent Trial for Cardiovascular Health (CATCH). Journal of the American Medical Association 1996; 275: 768–76.
15 RV Luepker , CL Perry , V Osganian , PR Nader , GS Parcel , EJ Stone , . The Child and Adolescent Trial for Cardiovascular Health (CATCH). Journal of Nutritional Biochemistry 1998; 9: 525–34.
16 BG Simons-Morton , GS Parcel , T Baranowski , R Forthofer , NM O'Hara . Promoting physical activity and a healthful diet among children: results of a school-based intervention study. American Journal of Public Health 1991; 81: 986–91.
17 E Edmundson , GS Parcel , HA Feldman , J Elder , CL Perry , CC Johnson , . The effects of the Child and Adolescent Trial for Cardiovascular Health upon psychosocial determinants of diet and physical activity behaviour. Preventive Medicine 1996; 25: 442–54.
19 JF Sallis , BG Simons-Morton , EJ Stone , EJ Stone , CB Corbin , LH Epstein , . Determinants of physical activity and interventions in youth. Medicine and Science in Sports and Exercise 1992; 24(Suppl.): 248S–57S.
20 I Lissau , MD Overpeck , WJ Ruan , P Due , BE Holstein , ML Hediger . Health Behaviour in School-aged Children Obesity Working Group. Body mass index and overweight in adolescents in 13 European countries, Israel, and the United States. Archives of Pediatrics & Adolescent Medicine 2004; 158: 27–33.
22 KF Janz . Validation of the CSA accelerometer for assessing children's physical activity. Medicine and Science in Sports and Exercise 1994; 26: 369–75.
23 KF Janz , J Witt , LT Mahoney . The stability of children's physical activity as measured by accelerometry and self-report. Medicine and Science in Sports and Exercise 1995; 27: 1326–32.
25 BE Ainsworth , WL Haskell , MC Whitt , ML Irwin , AM Swartz , SJ Strath , . Compendium of physical activities: an update of activity codes and MET intensities. Medicine and Science in Sports and Exercise 2000; 32(Suppl.): 498S–516S.
26 G Cardon , R Philippaerts , J Lefevre , L Matton , K Wijndaele , AL Balduck , . Physical activity levels in 10- to 11-year-olds: clustering of psychosocial correlates. Public Health Nutrition 2005; 8: 896–903.
28 JE Donnelly , DJ Jacobsen , JE Whatley , JO Hill , LL Swift , A Cherrington , . Nutrition and physical activity program to attenuate obesity and promote physical and metabolic fitness in elementary school children. Obesity Research 1996; 4: 229–43.