References
- Reilly JJ. Physical activity and obesity in childhood and adolescence. Lancet. 2005; 366(9482)268–9
- Reilly JJ, Jackson DM, Montgomery C, et al. Total energy expenditure and physical activity in young Scottish children: mixed longitudinal study. Lancet. 2004; 363(9404)211–2
- Metcalf BS, Voss LD, Hosking J, et al. Physical activity at the government-recommended level and obesity-related health outcomes: a longitudinal study (Early Bird 37). Arch Dis Child. 2008; 93(9)772–7
- Riddoch CJ, Mattocks C, Deere K, et al. Objective measurement of levels and patterns of physical activity. Arch Dis Child. 2007; 92(11)963–9
- Hawkins SS, Law C. A review of risk factors for overweight in preschool children: a policy perspective. Int J Pediatr Obes. 2006; 1(4)195–209
- Wareham NJ, van Sluijs EM, Ekelund U. Physical activity and obesity prevention: a review of the current evidence. Proc Nutr Soc. 2005; 64(2)229–47
- Must A, Tybor DJ. Physical activity and sedentary behavior: a review of longitudinal studies of weight and adiposity in youth. Int J Obes (Lond). 2005; 29(Suppl 2)S84–96
- Reilly JJ, Penpraze V, Hislop J, et al. Objective measurement of physical activity and sedentary behaviour: review with new data. Arch Dis Child. 2008; 93(7)614–9
- Reilly JJ, Ness AR, Sherriff A. Epidemiological and physiological approaches to understanding the etiology of pediatric obesity: finding the needle in the haystack. Pediatr Res. 2007; 61(6)646–52
- Jago R, Baranowski T, Baranowski JC, et al. BMI from 3-6 y of age is predicted by TV viewing and physical activity, not diet. Int J Obes (Lond) 2005; 29(6)557–64
- Sallis JF, Prochaska JJ, Taylor WC. A review of correlates of physical activity of children and adolescents. Med Sci Sports Exerc. 2000; 32(5)963–75
- Cleland VJ, Dwyer T, Venn AJ. Physical activity and healthy weight maintenance from childhood to adulthood. Obesity (Silver Spring) 2008; 16(6)1427–33
- Janz KF, Burns TL, Levy SM. Tracking of activity and sedentary behaviors in childhood: the Iowa Bone Development Study. Am J Prev Med. 2005; 29(3)171–8
- Raustorp A, Mattsson E, Svensson K, et al. Physical activity, body composition and physical self-esteem: a 3-year follow-up study among adolescents in Sweden. Scand J Med Sci Sports. 2006; 16(4)258–66
- Stevens J, Murray DM, Baggett CD, et al. Objectively assessed associations between physical activity and body composition in middle-school girls: the Trial of Activity for Adolescent Girls. Am J Epidemiol. 2007; 166(11)1298–305
- Stevens J, Suchindran C, Ring K, et al. Physical activity as a predictor of body composition in American Indian children. Obes Res. 2004; 12(12)1974–80
- Ziviani J, Macdonald D, Ward H, et al. Physical activity of young children: a two-year follow-up. Phys Occup Ther Pediatr. 2008; 28(1)25–39
- Al-Nakeeb Y, Duncan MJ, Lyons M, et al. Body fatness and physical activity levels of young children. Ann Hum Biol. 2007; 34(1)1–12
- Benefice E, Ndiaye G. Relationships between anthropometry, cardiorespiratory fitness indices and physical activity levels in different age and sex groups in rural Senegal (West Africa). Ann Hum Biol. 2005; 32(3)366–82
- Rennie KL, Livingstone MB, Wells JC, et al. Association of physical activity with body-composition indexes in children aged 6-8 y at varied risk of obesity. Am J Clin Nutr. 2005; 82(1)13–20
- Stratton G, Ridgers ND, Fairclough SJ, et al. Physical activity levels of normal-weight and overweight girls and boys during primary school recess. Obesity. 2007; 15(6)1513–9
- Al-Hazzaa HM. Pedometer-determined physical activity among obese and non-obese 8- to 12-year-old Saudi schoolboys. J Physiol Anthropol. 2007; 26(4)459–65
- Cuddihy T, Michaud-Tomson L, Jones EK, et al. Exploring the relationship between daily steps, body mass index and physical self-esteem in female Australian adolescents. J Exerc Sci Fit 2006; 4(1)25–35
- Duncan JS, Schofield G, Duncan EK. Pedometer-determined physical activity and body composition in New Zealand children. Med Sci Sports Exerc. 2006; 38(8)1402–9
- Eisenmann JC, Laurson KR, Wickel EE, et al. Utility of pedometer step recommendations for predicting overweight in children. Int J Obes (Lond) 2007; 31(7)1179–82
- Hands B, Parker H. Pedometer-determined physical activity, BMI, and waist girth in 7- to 16-year-old children and adolescents. J Phys Act Health 2008; 5(Suppl 1)S153–65
- Jago R, Watson K, Baranowski T, et al. Pedometer reliability, validity and daily activity targets among 10- to 15-year-old boys. J Sports Sci. 2006; 24(3)241–51
- Rowe DA, Raedeke TD, Wiersma LD, et al. Investigating the youth physical activity promotion model: internal structure and external validity evidence for a potential measurement model. Pediatr Exerc Sci. 2007; 19(4)420–35
- Gutin B, Yin Z, Humphries MC, et al. Relations of moderate and vigorous physical activity to fitness and fatness in adolescents. Am J Clin Nutr. 2005; 81(4)746–50
- Ness AR, Leary SD, Mattocks C, et al. Objectively measured physical activity and fat mass in a large cohort of children. PLoS Med. 2007; 4(3)e97
- Treuth MS, Hou N, Young DR, et al. Accelerometry-measured activity or sedentary time and overweight in rural boys and girls. Obes Res. 2005; 13(9)1606–14
- Abbott RA, Davies PS. Habitual physical activity and physical activity intensity: their relation to body composition in 5.0-10.5-y-old children. Eur J Clin Nutr. 2004; 58(2)285–91
- Blair NJ, Thompson JM, Black PN, et al. Risk factors for obesity in 7-year-old European children: the Auckland Birthweight Collaborative Study. Arch Dis Child. 2007; 92(10)866–71
- Hussey J, Bell C, Bennett K, et al. Relationship between the intensity of physical activity, inactivity, cardiorespiratory fitness and body composition in 7-10-year-old Dublin children. Br J Sports Med. 2007; 41(5)311–6
- Jago R, Anderson CB, Baranowski T, et al. Adolescent patterns of physical activity differences by gender, day, and time of day. Am J Prev Med. 2005; 28(5)447–52
- Lopez-Alarcon M, Merrifield J, Fields DA, et al. Ability of the actiwatch accelerometer to predict free-living energy expenditure in young children. Obes Res. 2004; 12(11)1859–65
- Metallinos-Katsaras ES, Freedson PS, Fulton JE, et al. The association between an objective measure of physical activity and weight status in preschoolers. Obesity (Silver Spring) 2007; 15(3)686–94
- Rowlands AV, Eston RG, Powell SM. Total physical activity, activity intensity and body fat in 8-11-year-old boys and girls. J Exerc Sci Fit 2006; 4(2)96–102
- Saelens BE, Seeley RJ, van Schaick K, et al. Visceral abdominal fat is correlated with whole-body fat and physical activity among 8-y-old children at risk of obesity. Am J Clin Nutr. 2007; 85(1)46–53
- Shoup JA, Gattshall M, Dandamudi P, et al. Physical activity, quality of life, and weight status in overweight children. Qual Life Res. 2008; 17(3)407–12
- Toschke JA, von Kries R, Rosenfeld E, et al. Reliability of physical activity measures from accelerometry among preschoolers in free-living conditions. Clin Nutr. 2007; 26(4)416–20
- Wrotniak BH, Epstein LH, Dorn JM, et al. The relationship between motor proficiency and physical activity in children. Pediatrics. 2006; 118(6)e1758–65
- Butte NF, Puyau MR, Adolph AL, et al. Physical activity in nonoverweight and overweight Hispanic children and adolescents. Med Sci Sports Exerc. 2007; 39(8)1257–66
- Byrd-Williams C, Kelly LA, Davis JN, et al. Influence of gender, BMI and Hispanic ethnicity on physical activity in children. Int J Pediatr Obes. 2007; 2(3)159–66
- Dencker M, Thorsson O, Karlsson MK, et al. Daily physical activity related to body fat in children aged 8-11 years. J Pediatr. 2006; 149(1)38–42
- Ekelund U, Sardinha LB, Anderssen SA, et al. Associations between objectively assessed physical activity and indicators of body fatness in 9- to 10-y-old European children: a population-based study from 4 distinct regions in Europe (the European Youth Heart Study). Am J Clin Nutr. 2004; 80(3)584–90
- Jago R, Baranowski T, Zakeri I, et al. Observed environmental features and the physical activity of adolescent males. Am J Prev Med. 2005; 29(2)98–104
- Krekoukia M, Nassis GP, Psarra G, et al. Elevated total and central adiposity and low physical activity are associated with insulin resistance in children. Metabolism. 2007; 56(2)206–13
- Lohman TG, Ring K, Schmitz KH, et al. Associations of body size and composition with physical activity in adolescent girls. Med Sci Sports Exerc. 2006; 38(6)1175–81
- Page A, Cooper AR, Stamatakis E, et al. Physical activity patterns in nonobese and obese children assessed using minute-by-minute accelerometry. Int J Obes (Lond) 2005; 29(9)1070–6
- Patrick K, Norman GJ, Calfas KJ, et al. Diet, physical activity, and sedentary behaviors as risk factors for overweight in adolescence. Arch Pediatr Adolesc Med. 2004; 158(4)385–90
- Snitker S, Le KY, Hager E, et al. Association of physical activity and body composition with insulin sensitivity in a community sample of adolescents. Arch Pediatr Adolesc Med. 2007; 161(7)677–83
- Sulemana H, Smolensky MH, Lai D. Relationship between physical activity and body mass index in adolescents. Med Sci Sports Exerc. 2006; 38(6)1182–6
- Thompson AM, Campagna PD, Rehman LA, et al. Physical activity and body mass index in grade 3, 7, and 11 Nova Scotia students. Med Sci Sports Exerc. 2005; 37(11)1902–8
- Vogels N, Westerterp KR, Posthumus DL, et al. Daily physical activity counts vs structured activity counts in lean and overweight Dutch children. Physiol Behav. 2007; 92(4)611–6
- Wittmeier KD, Mollard RC, Kriellaars DJ. Objective assessment of childhood adherence to Canadian physical activity guidelines in relation to body composition. Appl Physiol Nutr Metab. 2007; 32(2)217–24
- Yamauchi T, Kim SN, Lu Z, et al. Age and gender differences in the physical activity patterns of urban schoolchildren in Korea and China. J Physiol Anthropol. 2007; 26(2)101–7
- Ekelund U, Brage S, Besson H, et al. Time spent being sedentary and weight gain in healthy adults: reverse or bidirectional causality?. Am J Clin Nutr. 2008; 88(3)612–7
- Dencker M, Andersen LB. Health-related aspects of objectively measured daily physical activity in children. Clin Physiol Funct Imaging. 2008; 28(3)133–44
- Seabra AF, Mendonca DM, Thomis MA, et al. Biological and socio-cultural determinants of physical activity in adolescents]. Cad Saude Publica. 2008; 24(4)721–36
- Oliver M, Schofield GM, Kolt GS. Physical activity in preschoolers: understanding prevalence and measurement issues. Sports Med. 2007; 37(12)1045–70
- Cole TJ, Bellizzi MC, Flegal KM, et al. Establishing a standard definition for child overweight and obesity worldwide: international survey. BMJ. 2000; 320(7244)1240–3
- Slaughter MH, Lohman TG, Boileau RA, et al. Skinfold equations for estimation of body fatness in children and youth. Hum Biol. 1988; 60(5)709–23