1Department of Health (2006) Forecasting Obesity to 2010. London: Department of Health.
2Weiss, R & Caprio, S (2005) The metabolic consequences of childhood obesity. Best Pract Res Clin Endocrinol Metab 19, 405–419.
3Andersen, LB, Hasselstrom, H, Gronfeldt, V, Hansen, SE & Froberg, K (2004) The relationship between physical fitness and clustered risk, and tracking of clustered risk from adolescence to young adulthood: eight years follow-up in the Danish Youth and Sport Study. Int J Behav Nutr Phys Activity 1, .
4Wanless, D (2004) Securing Good Health for the Whole Population: Final Report. London: HM Treasury.
5Kremers, S, Visscher, T, Seidell, J, van Mechelen, W & Brug, J (2005) Cognitive determinants of energy balance-related behaviours. Sports Med 35, 923–933.
6Kohl, H, Fulton, J & Caspersen, C (2000) Assessment of physical activity among children and adolescents: a review and synthesis. Prev Med 31, s54–s76.
7Livingstone, M, Robson, P & Wallace, J (2004) Issues in dietary intake assessment of children and adolescents. Br J Nutr 92, Suppl. 2, S213–S222.
8Haraldsdottir, J & Hermansen, B (1995) Repeated 24 h recalls with young schoolchildren. A feasible alternative to diet history from parents? Eur J Clin Nutr 49, 729–739.
9Sobo, E, Rock, C, Neuhouser, M, Maciel, T & Neumark-Sztainer, D (2000) Caretaker-child interaction during children's 24 hour dietary recalls: who contributes what to the recall report? J Am Diet Assoc 100, 428–433.
10Van Horn, L, Gernhofer, N, Moag-Stahlberg, A, Farris, R, Hartmuller, G, Lasser, V, Stumbo, P, Craddick, S & Ballew, C (1990) Dietary assessment in children using electronic methods: telephones and tape recorders. J Am Diet Assoc 90, 412–416.
11Cale, L (1994) Self-report measures of children's physical activity: recommendations for future development and a new alternative measure. Health Educ J 53, 439–453.
12Baranowski, T & Domel, SB (1994) A cognitive model of children's reporting of food intake. Am J Clin Nutr 59, Suppl., 212S–217S.
13Ridley, K, Dollman, J & Olds, T (2001) Development and validation of a Computer Delivered Physical Activity Questionnaire (CDPAQ) for children. Pediatr Exerc Sci 13, 35–46.
14Ridley, K, Olds, T & Hill, A (2006) The multimedia activity recall for children and adolescents (MARCA): development and evaluation. Int J Behav Nutr Phys Act 3, .
15Welk, G, Dzewaltowski, D & Hill, J (2004) Comparison of the computerized ACTIVITYGRAM instrument and the previous day physical activity recall for assessing physical activity in children. Res Q Exerc Sport 75, 370–380.
17Gregory, J, Lowe, S, Bates, C, Prentice, A, Jackson, LV, Smithers, G, Wenlock, R & Farron, M (2000) National Diet and Nutrition Survey: Young People Aged 4 to 18 Years, vol. 1. London: The Stationery Office.
18Ainsworth, 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.
19Trost, S, Morgan, A, Saunders, R, Felton, G, Ward, D & Pate, R (2000) Children's understanding of the concept of physical activity. Pediatr Exerc Sci 12, 293–299.
20Harrell, J, McMurray, R, Baggett, C, Pennell, M, Pearce, P & Bangdiwala, S (2005) Energy costs of physical activities in children and adolescents. Med Sci Sports Exerc 37, 329–336.
21Armstrong, N & Welsman, JR (2006) The physical activity patterns of European youth with reference to methods of assessment. Sports Med 36, 1067–1086.
22Freedson, PS, Melanson, E & Sirard, J (1998) Calibration of the Computer Science Application, Inc. accelerometer. Med Sci Sports Exerc 30, 777–781.
23Trost, S, Pate, R, Sallis, J, Freedson, P, Taylor, W, Dowda, M & Sirard, J (2002) Age and gender differences in objectively measured physical activity in youth. Med Sci Sports Exerc 34, 350–355.
24Riddoch, C, Andersen, L, Wedderkopp, N, Harro, M, Klasson-Heggebø, L, Sardinha, L, Cooper, A & Ekelund, U (2004) Physical activity levels and patterns of 9 and 15 year old children from four European countries: data from the European Youth Heart Study. Med Sci Sports Exerc 36, 86–92.
25Guenther, P, Cleveland, L & Ingwersen, L (1998) Questionnaire Development and Data Collection Procedures. Design and Operation: The Continuing Survey of Food Intakes by Individuals and the Diet and Health Knowledge Survey 1994–96. Riverdale, MA: United States Department of Agriculture, Agricultural Research Service.
26Moshfegh, A, Borrud, L, Perloff, B & LaComb, R (1999) Improved method for the 24-hour dietary recall for use in national surveys. FASEB J 13, A603.
27Bland, MJ & Altman, DG (1999) Measuring agreement in method comparison studies. Stat Methods Med Res 8, 135–160.
28Sterne, J & Smith, G (2001) Sifting the evidence – what's wrong with significance tests? BMJ 322, 226–231.
29Bablok, W, Passing, H, Bender, R & Schneider, B (1988) A general regression procedure for method transformation. Application of linear-regression procedures for method comparison studies in clinical chemistry, part III. J Clin Chem Clin Biochem 26, 783–790.
30Passing, H & Bablok, W (1983) A new biometrical procedure for testing the equality of measurements from two different analytical methods. Application of linear regression procedures for method comparison studies in clinical chemistry, part I. J Clin Chem Clin Biochem 21, 709–720.
31Department of Health (2004) At Least Five a Week. London: Department of Health.
32Andersen, LB, Harro, M, Sardinha, LB, Froberg, K, Ekelund, U, Brage, S & Anderssen, SA (2006) Physical activity and clustered cardiovascular risk in children: a cross-sectional study (The European Youth Heart Study). Lancet 368, 299–304.
33Johnson, B, Hackett, A, Roundfield, M & Coufopoulos, A (2001) An investigation of the validity and reliability of a food intake questionnaire. J Hum Nutr Diet 14, 457–465.
34Hackett, A, Gibbon, M, Sratton, G & Hamill, L (2002) Dietary intake of 9–10 year old and 11–12 year old children in Liverpool. Public Health Nutr 5, 449–455.
35World Health Organization (1990) Diet, Nutrition, and the Prevention of Chronic Diseases. Geneva: WHO.
36Kremers, SPJ, De Bruijn, GJ, Schaalma, H & Brug, J (2004) Clustering of energy balance-related behaviours and their intrapersonal determinants. Psychol Health 19, 595–606.
37Department of Health (2006) Measuring Childhood Obesity: Guidance to Primary Care Trusts. London: Department of Health.