1World Health Organization (1998) Obesity: Preventing and Managing the Global Epidemic. Geneva: WHO.
2Warburton DE, Nicol CW & Bredin SS (2006) Health benefits of physical activity: the evidence. CMAJ 174, 801–809.
3James P (2004) Obesity: the worldwide epidemic. Clin Dermatol 22, 276–280.
5Weinsier RL, Hunter GR, Heini AF, Goran MI & Sell SM (1998) The etiology of obesity: relative contribution of metabolic factors, diet, and physical activity. Am J Med 105, 145–150.
6Martínez-González MA, Martínez JA, Hu FB, Gibney MJ & Kearney J (1999) Physical inactivity, sedentary lifestyle and obesity in the European Union. Int J Obes Relat Metab Disord 23, 1192–1201.
7Salmon J, Bauman A, Crawford D, Timperio A & Owen N (2000) The association between television viewing and overweight among Australian adults participating in varying levels of leisure-time physical activity. Int J Obes Relat Metab Disord 24, 600–606.
8Jakes RW, Day NE, Khaw KT, Luben R, Oakes S, Welch A, Bingham S & Wareham NJ (2003) Television viewing and low participation in vigorous recreation are independently associated with obesity and markers of cardiovascular disease risk: EPIC-Norfolk population-based study. Eur J Clin Nutr 57, 1089–1096.
9Mummery WK, Schofield GM, Steele R, Eakin EG & Brown WJ (2005) Occupational sitting time and overweight and obesity in Australian workers. Am J Prev Med 29, 91–97.
10Department of Health, Physical Activity, Health Improvement and Prevention (2004) At Least Five a Week. Evidence on the Impact of Physical Activity and its Relationship to Health. A Report from The Chief Medical Officer. London: Department of Health.
11Health Education Authority (1996) Promoting Physical Activity in Primary Care. London: Health Education Authority.
12United States Department of Health and Human Services (1996) Physical Activity and Health: A Report of the Surgeon General. Atlanta, GA: Centers for Disease Control.
13National Health Service (2000) Our Healthier Nation, National Service Framework for Coronary Heart Disease. London: The Stationery Office.
14Saris WH, Blair SN, van Baak MA, et al. (2003) How much physical activity is enough to prevent unhealthy weight gain? Outcome of the IASO 1st Stock Conference and consensus statement. Obes Rev 4, 101–114.
15Stamatakis E (2004) . In Health Survey for England 2003. Volume 2: Risk Factors for Cardiovascular Disease, pp. 107–141 [Sproston K and Primatesta P, editors]. London: The Stationery Office.
16Lawlor DA, Taylor M, Bedford C & Ebrahim S (2002) Is housework good for health? Levels of physical activity and factors associated with activity in elderly women. Results from the British Women's Heart and Health Study. J Epid Comm Health 56, 473–478.
17Stamatakis E, Hillsdon M & Primatesta P (2007) Domestic physical activity in relation to multiple cardiovascular disease risk factors. Am J Prev Med 32, 320–327.
18Janssen I, Katzmarzyk PT & Ross R (2004) Waist circumference and not body mass index explains obesity-related health risk. Am J Clin Nutr 79, 379–384.
19Bigaard J, Tjønneland A, Thomsen BL, Overvad K, Heitmann BL & Sørensen TI (2003) Waist circumference, BMI, smoking, and mortality in middle-aged men and women. Obes Res 11, 895–903.
20Scottish Executive (2005) The Scottish Health Survey 2003. Edinburgh: Scottish Executive.
21Scottish Executive (2005) The Scottish Health Survey 2003: Volume 4, Technical Report, . Edinburgh: Scottish Executive.
22Office of Population and Census Studies (1990) Standard Occupational Classification, vols 1–3. London: HM Stationery Office.
23Department of Health (1999) The Health Survey for England 1998: Cardiovascular Disease. London: The Stationery Office.
24Joint Health Surveys Unit (2007) Health Survey for England Physical Activity Validation Study: Substantive Report. Leeds, UK: Information Centre for Health and Social Care.
25Anonymous (1998) Clinical guidelines on the identification, evaluation, and treatment of overweight and obesity in adults: the evidence report. National Institutes of Health. Obes Res 6, Suppl. 2, S51–S209.
26Black AE, Coward WA, Cole TJ & Prentice AM (1996) Human energy expenditure in affluent societies: an analysis of 574 doubly-labelled water measurements. Eur J Clin Nutr 50, 72–92.
27Coward WA (1998) Contributions of the doubly labeled water method to studies of energy balance in the Third World. Am J Clin Nutr 68, 962S–969S.
28Levine JA, Schleusner SJ & Jensen MD (2000) Energy expenditure of nonexercise activity. Am J Clin Nutr 72, 1451–1454.
29Levine JA, Vander Weg MW, Hill JO & Klesges RC (2006) Non-exercise activity thermogenesis: the crouching tiger hidden dragon of societal weight gain. Arterioscler Thromb Vasc Biol 26, 729–736.
30Forbes GB (1993) Diet and exercise in obese subjects: self-report versus controlled measurements. Nutr Rev 51, 296–300.
31Washburn RA, Jacobsen DJ, Sonko BJ, Hill JO & Donnelly JE (2003) The validity of the Stanford seven-day physical activity recall in young adults. Med Sci Sports Exerc 35, 1374–1380.
32Anonymous (1998) American College of Sports Medicine Position Stand: the recommended quantity and quality of exercise for developing and maintaining cardiorespiratory and muscular fitness, and flexibility in healthy adults. Med Sci Sports Exerc 30, 975–991.
33Ainsworth BE, Haskell WL, Whitt MC, et al. (2000) Compendium of physical activities: an update of activity codes and MET intensities. Med Sci Sports Exerc 32, Suppl. 9, S498–S516.
34Matthews CE (2002) . In Physical Activity Assessments for Health-Related Research, pp. 107–123 [Welk GJ, editor]. Champaign, IL: Human Kinetics.
35Prentice AM & Jebb SA (2001) Beyond body mass index. Obes Rev 2, 141–147.
36Ross R, Janssen I, Dawson J, Kungl AM, Kuk JL, Wong SL, Nguyen-Duy TB, Lee S, Kilpatrick K & Hudson R (2004) Exercise-induced reduction in obesity and insulin resistance in women: a randomized controlled trial. Obes Res 12, 789–798.
37Livingstone MB, Prentice AM, Strain JJ, Coward WA, Black AE, Barker ME, McKenna PG & Whitehead RG (1990) Accuracy of weighed dietary records in studies of diet and health. BMJ 300, 708–712.
38Poppitt SD, Swann D, Black AE & Prentice AM (1998) Assessment of selective under-reporting of food intake by both obese and non-obese women in a metabolic facility. Int J Obes 22, 303–311.