A comparison of indirect versus direct measures for assessing physical activity in the pediatric population: A systematic review

References

• Caspersen CJ, Powell KE, Christenson GM. Physical activity, exercise, and physical fitness: definitions and distinctions for health-related research. Public Health Rep. 1985; 100: 126–31
   PubMed Web of Science ®Google Scholar
• Katzmarzyk PT, Janssen I. The economic costs associated with physical inactivity and obesity in Canada: an update. Can J Appl Physiol. 2004; 29: 90–115
   PubMedGoogle Scholar
• Strong WB, Malina RM, Blimkie CJ, Daniels SR, Dishman RK, Gutin B, et al. Evidence based physical activity for school-age youth. J Pediatr. 2005; 146: 732–7
   PubMed Web of Science ®Google Scholar
• Janssen I. Physical activity guidelines for children and youth. Can J Public Health. 2007; 98: S109–21
   PubMedGoogle Scholar
• Dishman RK, Washburn RA, Schoeller DA. Measurement of Physical Activity. QUEST. 2001; 53: 295–309
   Web of Science ®Google Scholar
• Armstrong N, Bray S. Physical activity patterns defined by continuous heart rate monitoring. Arch Dis Child. 1991; 66: 245–7
   PubMed Web of Science ®Google Scholar
• Bailey RC, Olson J, Pepper SL, Porszasz J, Barstow TJ, Cooper DM. The level and tempo of children's physical activities: an observational study. Med Sci Sports Exerc. 1995; 27: 1033–41
   PubMed Web of Science ®Google Scholar
• Harter MR, Anllo-Vento L, Wood FB, Schroeder MM. Separate brain potential characteristics in children with reading disability and attention deficit disorder: color and letter relevance effects. Brain Cogn. 1988; 7: 115–40
   PubMed Web of Science ®Google Scholar
• Shephard RJ. Limits to the measurement of habitual physical activity by questionnaires. Br J Sports Med. 2003; 37: 197–206
   PubMed Web of Science ®Google Scholar
• Ainslie P, Reilly T, Westerterp K. Estimating human energy expenditure: a review of techniques with particular reference to doubly labelled water. Sports Med. 2003; 33: 683–98
   PubMed Web of Science ®Google Scholar
• Kohl III HW, Fulton JE, Caspersen CJ. Assessment of physical activity among children and adolescents: A review and synthesis. Prev Med. 2000; 31: S54–76
   Web of Science ®Google Scholar
• Prince SA, Adamo KB, Hamel ME, Hardt J, Connor-Gorber S, Tremblay MS. A comparison of direct versus self-report measures for assessing physical activity in adults: a systematic review. Int J Behav Nutr Phys Act. (submitted); 2008.
   PubMed Web of Science ®Google Scholar
• Saunders LD, Soomro GM, Buckingham J, Jamtvedt G, Raina P. Assessing the methodological quality of nonrandomized intervention studies. West J Nurs Res. 2003; 25: 223–37
   PubMed Web of Science ®Google Scholar
• Deeks JJ, Dinnes J, D'Amico R, Sowden AJ, Sakarovitch C, Song F, et al. Evaluating non-randomised intervention studies. Health Technol Assess. 2003; 7: 1–173
   Google Scholar
• Downs SH, Black N. The feasibility of creating a checklist for the assessment of the methodological quality both of randomised and non-randomised studies of health care interventions. J Epidemiol Community Health. 1998; 52: 377–84
   PubMed Web of Science ®Google Scholar
• Allor KM, Pivarnik JM. Stability and convergent validity of three physical activity assessments. Med Sci Sports Exerc. 2001; 33: 671–6
   PubMed Web of Science ®Google Scholar
• Anderson CB, Hagstromer M, Yngve A. Validation of the PDPAR as an adolescent diary: effect of accelerometer cut points. Med Sci Sports Exerc. 2005; 37: 1224–30
   PubMed Web of Science ®Google Scholar
• Argiropoulou EC, Michalopoulou M, Aggeloussis N, Avgerinos A. Validity and reliability of physical activity measures in Greek high school age children. J Sports Sci & Med. 2004; 3: 147–59
   PubMed Web of Science ®Google Scholar
• Bamman M. Determinants of physical activity in rural African-American adolescents. United States-Mississippi: The University of Mississippi. 2004
   Google Scholar
• Brown D. Back pain in children: No association with objectively measured level of physical activity. Point of view Spine. 2003; 28: 2024
   Google Scholar
• Burdette HL, Whitaker RC, Daniels SR. Parental report of outdoor playtime as a measure of physical activity in preschool-aged children. Arch Pediatr Adolesc Med. 2004; 158: 353–7
   PubMed Web of Science ®Google Scholar
• Calamaro C. Physical activity and risk of overweight in children 6 to 8 years of age: a study of physical activity of children in the infant growth study. University of Pennsylvania. 2005
   Google Scholar
• Coleman KJ, Saelens BE, Wiedrich-Smith MD, Finn JD, Epstein LH. Relationships between TriTrac-R3D vectors, heart rate, and self-report in obese children. Med Sci Sports Exerc. 1997; 29: 1535–42
   PubMed Web of Science ®Google Scholar
• Cradock AL, Wiecha JL, Peterson KE, Sobol AM, Colditz GA, Gortmaker SL. Youth recall and TriTrac accelerometer estimates of physical activity levels. Med Sci Sports Exerc. 2004; 36: 525–32
   PubMed Web of Science ®Google Scholar
• Crocker PRE, Holowachuk DR, Kowalski KC. Feasibility of using the Tritrac motion sensor over a 7-day trial with older children. Pediatr Exerc Sci. 2001; 13(1)70–81
   Google Scholar
• de Ridder CM, Kemper HC, Bertens MJ, van Gameren AC, Ras E, Voogd J, et al. Concurrent validity of a weight-bearing activity questionnaire in prepubertal and pubertal girls and boys. Ann Hum Biol. 2002; 29: 237–46
   Google Scholar
• Ekelund U, Neovius M, Linne Y, Rossner S. The criterion validity of a last 7-day physical activity questionnaire (SAPAQ) for use in adolescents with a wide variation in body fat: the Stockholm Weight Development Study. Int J Obes (Lond) 2006; 30: 1019–21
   Google Scholar
• Epstein LH, Paluch RA, Coleman KJ, Vito D, Anderson K. Determinants of physical activity in obese children assessed by accelerometer and self-report. Med Sci Sports Exerc. 1996; 28: 1157–64
   PubMed Web of Science ®Google Scholar
• Epstein LH, Paluch RA, Consalvi A, Riordan K, Scholl T. Effects of manipulating sedentary behavior on physical activity and food intake. J Pediatr. 2002; 140: 334–9
   PubMed Web of Science ®Google Scholar
• Gao S, Harnack L, Schmitz K, Fulton J, Lytle L, Van Coevering P, et al. Reliability and Validity of a Brief Tool to Measure Children's Physical Activity. JPAH. 2006; 3: 415–22
   Google Scholar
• Going SB, Levin S, Harrell J, Stewart D, Kushi L, Cornell CE, et al. Physical activity assessment in American Indian schoolchildren in the Pathways study. Am J Clin Nutr. 1999; 69: 788–95
   PubMed Web of Science ®Google Scholar
• Goran MI, Hunter G, Nagy TR, Johnson R. Physical activity related energy expenditure and fat mass in young children. Int J Obes (Lond) 1997; 21: 171–8
   PubMed Web of Science ®Google Scholar
• Harro M. Validation of a questionnaire to assess physical activity of children ages 4-8 years. Res Q Exerc Sport. 1997; 68: 259–68
   PubMed Web of Science ®Google Scholar
• Janz KF, Witt J, Mahoney LT. The stability of children's physical activity as measured by accelerometry and self-report. Med Sci Sports Exerc. 1995; 27: 1326–32
   PubMed Web of Science ®Google Scholar
• Janz KF, Broffitt B, Levy SM. Validation evidence for the Netherlands physical activity questionnaire for young children: the Iowa bone development study. Res Q Exerc Sport. 2005; 76: 363–9
   PubMed Web of Science ®Google Scholar
• Kimm SY, Glynn NW, Kriska AM, Fitzgerald SL, Aaron DJ, Similo SL, et al. Longitudinal changes in physical activity in a biracial cohort during adolescence. Med Sci Sports Exerc. 2000; 32: 1445–54
   PubMed Web of Science ®Google Scholar
• Kowalski KC, Crocker PRE, Faulkner RA. Validation of the Physical Activity Questionnaire for Older Children. Pediatr Exerc Sci. 1997; 9: 174–86
   Web of Science ®Google Scholar
• Kowalski KC, Crocker PRE, Kowalski NP. Convergent validity of the physical activity questionnaire for adolescents. Pediatr Exerc Sci. 1997; 9: 342–52
   Web of Science ®Google Scholar
• Krishnamoorthy JS. The transmission of physical activity and related cognitions among African-American adolescent females and their primary female caregiver; 2002.
   Google Scholar
• Kriska AM, Knowler WC, LaPorte RE, Drash AL, Wing RR, Blair SN, et al. Development of questionnaire to examine relationship of physical activity and diabetes in Pima Indians. Diabetes Care. 1990; 13: 401–11
   PubMed Web of Science ®Google Scholar
• McMurray RG, Harrell JS, Bradley CB, Webb JP, Goodman EM. Comparison of a computerized physical activity recall with a triaxial motion sensor in middle-school youth. Med Sci Sports Exerc. 1998; 30: 1238–45
   PubMed Web of Science ®Google Scholar
• McMurray RG, Ring KB, Treuth MS, Welk GJ, Pate RR, Schmitz KH, et al. Comparison of two approaches to structured physical activity surveys for adolescents. Med Sci Sports Exerc. 2004; 36: 2135–43
   PubMed Web of Science ®Google Scholar
• Mota J, Santos P, Guerra S, Ribeiro JC, Duarte JA, Sallis JF. Validation of a physical activity self-report questionnaire in a Portuguese pediatric population. Pediatr Exerc Sci. 2002; 14: 269–76
   Web of Science ®Google Scholar
• O'Connor J, Ball EJ, Steinbeck KS, Davies PSW, Wishart C, Gaskin KJ, et al. Measuring physical activity in children: A comparison of four different methods. Pediatr Exerc Sci. 2003; 15: 202–15
   Google Scholar
• Orenstein DM, Nixon PA, Washburn RA, Kelsey SF. Measuring physical activity in children with cystic fibrosis: comparison of four methods. Pediatr Exerc Sci. 1993; 5: 125–33
   Google Scholar
• Pate RR, Ross R, Dowda M, Trost SG, Sirard JR. Validation of a 3-day physical activity recall instrument in female youth. Pediatr Exerc Sci. 2003; 15: 257–65
   Web of Science ®Google Scholar
• Philippaerts RM, Matton L, Wijndaele K, Balduck AL, De Bourdeaudhuij I, Lefevre J. Validity of a physical activity computer questionnaire in 12- to 18-year-old boys and girls. Int J Sports Med. 2006; 27: 131–6
   PubMed Web of Science ®Google Scholar
• Prochaska JJ, Sallis JF, Long B. A physical activity screening measure for use with adolescents in primary care. Arch Pediatr Adolesc Med. 2001; 155: 554–9
   PubMed Web of Science ®Google Scholar
• Ramirez-Marrero FA, Smith BA, Sherman WM, Kirby TE. Comparison of methods to estimate physical activity and energy expenditure in African American children. Int J Sports Med. 2005; 26: 363–71
   Google Scholar
• Ridley K, Dollman J, Olds T. Development and validation of a Computer Delivered Physical Activity Questionnaire (CDPAQ) for children. Pediatr Exerc Sci. 2001; 13: 35–46
   Web of Science ®Google Scholar
• Ridley K, Olds TS, Hill A. The Multimedia activity recall for children and adolescents (MARCA): Development and evaluation. Int J Behav Nutr Phys Act. 2006; 3: 10
   PubMedGoogle Scholar
• Rodriguez G, Beghin L, Michaud L, Moreno LA, Turck D, Gottrand F. Comparison of the TriTrac-R3D accelerometer and a self-report activity diary with heart-rate monitoring for the assessment of energy expenditure in children. Br J Nutr. 2002; 87: 623–31
   PubMed Web of Science ®Google Scholar
• Saelens BE, Seeley RJ, van SK, Donnelly LF, O'Brien KJ. 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: 46–53
   PubMed Web of Science ®Google Scholar
• Sallis JF, McKenzie TL, Alcaraz JE. Habitual physical activity and health-related physical fitness in fourth-grade children. Am J Dis Child. 1993; 147: 890–6
   PubMedGoogle Scholar
• Sallis JF, Condon SA, Goggin KJ, Roby JJ, Kolody B, Alcaraz JE. The development of self-administered physical activity surveys for 4th grade students. Res Q Exerc Sport. 1993; 64: 25–31
   PubMed Web of Science ®Google Scholar
• Scerpella TA, Tuladhar P, Kanaley JA. Validation of the Godin-Shephard questionnaire in prepubertal girls. Med Sci Sports Exerc. 2002; 34: 845–50
   PubMed Web of Science ®Google Scholar
• Simons-Morton BG, Taylor WC, Huang IW. Validity of the physical activity interview and Caltrac with preadolescent children. Res Q Exerc Sport. 1994; 65: 84–8
   PubMed Web of Science ®Google Scholar
• Taren DL, Freeman MB, Brandenburg NA. Evaluation of dietary and activity questionnaires for elementary school children. Ann N Y Acad Sci. 1993; 699: 298–300
   Google Scholar
• Telford A, Salmon J, Jolley D, Crawford D. Reliability and Validity of Physical Activity Questionnaires for Children: The Children's Leisure Activities Study Survey (CLASS). Pediatr Exerc Sci. 2004; 16: 64–78
   Web of Science ®Google Scholar
• Thomas O. Measurement of sedentary behaviour and physical activity in adolescents. University of North Carolina, Chapel Hill, NC 2004
   Google Scholar
• Tillmann V, Darlington AS, Eiser C, Bishop NJ, Davies HA. Male sex and low physical activity are associated with reduced spine bone mineral density in survivors of childhood acute lymphoblastic leukemia. J Bone Miner Res. 2002; 17: 1073–80
   PubMed Web of Science ®Google Scholar
• Tremblay MS, Inman JW, Willms JD. Preliminary evaluation of a video questionnaire to assess activity levels of children. Med Sci Sports Exerc. 2001; 33: 2139–44
   PubMed Web of Science ®Google Scholar
• Tremblay MS, Barnes JD, Copeland JL, Esliger DW. Conquering childhood inactivity: is the answer in the past?. Med Sci Sports Exerc. 2005; 37: 1187–94
   PubMed Web of Science ®Google Scholar
• Treuth MS, Sherwood NE, Butte NF, McClanahan B, Obarzanek E, Zhou A, et al. Validity and reliability of activity measures in African-American girls for GEMS. Med Sci Sports Exerc. 2003; 35: 532–9
   PubMed Web of Science ®Google Scholar
• Treuth MS, Sherwood NE, Baranowski T, Butte NF, Jacobs DR, Jr, McClanahan B, et al. Physical activity self-report and accelerometry measures from the Girls health Enrichment Multi-site Studies. Prev Med. 2004; 38: S43–9
   PubMed Web of Science ®Google Scholar
• Treuth MS, Hou N, Young DR, Maynard LM. Validity and reliability of the Fels physical activity questionnaire for children. Med Sci Sports Exerc. 2005; 37: 488–95
   PubMed Web of Science ®Google Scholar
• Trost SG, Ward DS, McGraw B, Pate RR. Validity of the Previous Day Physical Activity Recall (PDPAR) in fifth- grade children. Pediatr Exerc Sci. 1999; 11: 341–8
   Web of Science ®Google Scholar
• Tudor-Locke C, Ainsworth BE, Adair LS, Popkin BM. Physical activity in Filipino youth: the Cebu Longitudinal Health and Nutrition Survey. Int J Obes Relat Metab Disord. 2003; 27: 181–90
   PubMed Web of Science ®Google Scholar
• Verheul A-C, Prins AN, Kemper HCG, Kardinaal AFM, Van Erp-Baart M-A. Validation of a weight-bearing physical activity questionnaire in a study of bone density in girls and women. Pediatr Exerc Sci. 1998; 10: 38–47
   Google Scholar
• Wedderkopp N, Leboeuf-Yde C, Bo AL, Froberg K, Steen HH. Back pain in children: no association with objectively measured level of physical activity. Spine. 2003; 28: 2019–24
   PubMed Web of Science ®Google Scholar
• Welk GJ, Dzewaltowski DA, Hill JL. Comparison of the computerized ACTIVITYGRAM instrument and the previous day physical activity recall for assessing physical activity in children. Res Q Exerc Sport. 2004; 75: 370–80
   PubMed Web of Science ®Google Scholar
• Welk GJ, Wickel E, Peterson M, Heitzler CD, Fulton JE, Potter LD. Reliability and validity of questions on the Youth Media Campaign Longitudinal Survey. Med Sci Sports Exerc. 2007; 39: 612–21
   PubMed Web of Science ®Google Scholar
• Weston AT, Petosa R, Pate RR. Validation of an instrument for measurement of physical activity in youth. Med Sci Sports Exerc. 1997; 29: 138–43
   PubMed Web of Science ®Google Scholar
• Wong SL, Leatherdale ST, Manske SR. Reliability and validity of a school-based physical activity questionnaire. Med Sci Sports Exerc. 2006; 38: 1593–600
   PubMed Web of Science ®Google Scholar
• Sallis JF, Patterson TL, Morris JA, Nadar PR, Buono MJ. Familial aggregation of aerobic power: the influence of age, physical activity and body mass index. Res Q Exerc Sport. 1989; 60: 318–24
   PubMed Web of Science ®Google Scholar
• Benge R. Peer Influence on After School PA in male adolescents. Albuquerque, NM: University of New Mexico;2001.
   Google Scholar
• Lee KS, Trost SG. Validity and reliability of the 3-day physical activity recall in Singaporean adolescents. Res Q Exerc Sport. 2005; 76: 101–6
   PubMedGoogle Scholar
• Kemper HC, Bakker I, Twisk JW, van Mechelen W. Validation of a physical activity questionnaire to measure the effect of mechanical strain on bone mass. Bone. 2002; 30: 799–804
   PubMed Web of Science ®Google Scholar
• Nishikido N, Kashiwazaki H, Suzuki T. Preschool children's daily activities: direct observation, pedometry or questionnaire. J Hum Ergol (Tokyo) 1982; 11: 214–8
   Google Scholar
• Strycker LA, Duncan SC, Chaumeton NR, Duncan TE, Toobert DJ. Reliability of pedometer data in samples of youth and older women. Int J Behav Nutr Phys Act. 2007; 4: 4
   PubMed Web of Science ®Google Scholar
• Rowe DA, Mahar MT, Raedeke TD, Lore J. Measuring physical activity in children with pedometers: Reliability, reactivity, and replacement of missing data. Pediatr Exerc Sci. 2004; 16: 343–54
   Web of Science ®Google Scholar
• Ziviani J, Macdonald D, Jenkins D, Rodger S, Batch J, Cerin E. Physical activity of young children. OTJR. 2006; 26: 4–14
   Web of Science ®Google Scholar
• Cardon G, De Bourdeaudhuij I. A pilot study comparing pedometer counts with reported physical activity in elementary schoolchildren. Pediatr Exerc Sci. 2004; 16: 355–67
   Web of Science ®Google Scholar
• Beets MW, Vogel R, Chapman S, Maxfield J, Bradley J, Pitetti KH. Relationship between Social Support and Children's Activity: Pedometer Versus Self-Report. (Abstract). Res Q Exerc Sport. 2006;77.
   Google Scholar
• Bratteby LE, Sandhagen B, Fan H, Samuelson G. A 7-day activity diary for assessment of daily energy expenditure validated by the doubly labelled water method in adolescents. Eur J Clin Nutr. 1997; 51: 585–91
   PubMed Web of Science ®Google Scholar
• Bunt JC, Salbe AD, Harper IT, Hanson RL, Tataranni PA. Weight, adiposity, and physical activity as determinants, of an insulin sensitivity index in Pima Indian children. Diabetes Care. 2003; 26: 2524–30
   PubMedGoogle Scholar
• Franks PW, Ravussin E, Hanson RL, Harper IT, Allison DB, Knowler WC, et al. Habitual physical activity in children: the role of genes and the environment. Am J Clin Nutr. 2005; 82: 901–8
   PubMed Web of Science ®Google Scholar
• Larsson CL, Westerterp KR, Johansson GK. Validity of reported energy expenditure and energy and protein intakes in Swedish adolescent vegans and omnivores. Am J Clin Nutr. 2002; 75: 268–74
   PubMed Web of Science ®Google Scholar
• Roemmich JN, Clark PA, Walter K, Patrie J, Weltman A, Rogol AD. Pubertal alterations in growth and body composition. V. Energy expenditure, adiposity, and fat distribution. Am J Physiol Endocrinol Metab. 2000; 279: E1426–36
   Google Scholar
• Salbe AD, Weyer C, Harper I, Lindsay RS, Ravussin E, Tataranni PA. Assessing risk factors for obesity between childhood and adolescence: II. Energy metabolism and physical activity. Pediatrics. 2002; 110: 307–14
   PubMed Web of Science ®Google Scholar
• Slinde F, Arvidsson D, Sjoberg A, Rossander-Hulthen L. Minnesota leisure time activity questionnaire and doubly labelled water in adolescents. Med Sci Sports Exerc. 2003; 35(11)1923–8
   Google Scholar
• Treuth MS, Butte NF, Puyau M, Adolph A. Relations of parental obesity status to physical activity and fitness of prepubertal girls. Pediatrics. 2000; 106: E49
   PubMed Web of Science ®Google Scholar
• Kang M. An empirical investigation of characteristics of children's physical activity recall. University of Illinois, Urbana-Champaign, Illinois 2005
   Google Scholar
• Ekelund U, Yngve A, Sjostrom M. Total daily energy expenditure and patterns of physical activity in adolescents assessed by two different methods. Scand J Med Sci Sports. 1999; 9: 257–64
   PubMed Web of Science ®Google Scholar
• Sallis JF, Strikmiller PK, Harsha DW, Feldman HA, Ehlinger S, Stone EJ, et al. Validation of interviewer- and self-administered physical activity checklists for fifth grade students. Med Sci Sports Exerc. 1996; 28: 840–51
   PubMed Web of Science ®Google Scholar
• Sallis JF, Buono MJ, Roby JJ, Micale FG, Nelson JA. Seven-day recall and other physical activity self-reports in children and adolescents. Med Sci Sports Exerc. 1993; 25: 99–108
   PubMed Web of Science ®Google Scholar
• Janz KF, Golden JC, Hansen JR, Mahoney LT. Heart rate monitoring of physical activity in children and adolescents: the Muscatine Study. Pediatrics. 1992; 89: 256–61
   PubMed Web of Science ®Google Scholar
• Terblanche AP, Ozkaynak H, Spengler JD, Butler DA. Relationship between self-reported activity levels and actual heart rates in teenagers. J Air Waste Manage Assoc. 1991; 41: 942–6
   PubMed Web of Science ®Google Scholar
• Freedson P, Pober D, Janz KF. Calibration of accelerometer output for children. Med Sci Sports Exerc. 2005; 37: S523–30
   PubMed Web of Science ®Google Scholar
• Puyau MR, Adolph AL, Vohra FA, Zakeri I, Butte NF. Prediction of activity energy expenditure using accelerometers in children. Med Sci Sports Exerc. 2004; 36: 1625–31
   PubMed Web of Science ®Google Scholar
• Treuth MS, Schmitz K, Catellier DJ, McMurray RG, Murray DM, Almeida MJ, et al. Defining accelerometer thresholds for activity intensities in adolescent girls. Med Sci Sports Exerc. 2004; 36: 1259–66
   PubMed Web of Science ®Google Scholar
• Trost SG, Pate RR, Sallis JF, Freedson PS, Taylor WC, Dowda M, et al. Age and gender differences in objectively measured physical activity in youth. Med Sci Sports Exerc. 2002; 34: 350–5
   PubMed Web of Science ®Google Scholar
• Baranowski T. Validity and reliability of self-report measures of physical activity: an information processing perspective. Res Q Exerc Sport. 1988; 59: 314–27
   Web of Science ®Google Scholar
• Montoye HJ, Kemper HCG, Saris WHM, Washburn RA. Measuring Physical Activity and Energy Expenditure. Human Kinetics, Champaign, Illinois 1996
   Google Scholar
• Sallis JF. Self-report measures of children's physical activity. J Sch Health. 1991; 61: 215–9
   PubMed Web of Science ®Google Scholar
• Trost SG, Pate RR, Freedson PS, Sallis JF, Taylor WC. Using objective physical activity measures with youth: how many days of monitoring are needed?. Med Sci Sports Exerc. 2000; 32: 426–31
   PubMed Web of Science ®Google Scholar
• Durante R, Ainsworth BE. The recall of physical activity: using a cognitive model of the question-answering process. Med Sci Sports Exerc. 1996; 28: 1282–91
   PubMed Web of Science ®Google Scholar
• Arvidsson D, Slinde F, Hulthen L. Physical activity questionnaire for adolescents validated against doubly labelled water. Eur J Clin Nutr. 2005; 59: 376–83
   PubMed Web of Science ®Google Scholar
• Bland JM, Altman DG. Measuring agreement in method comparison studies. Stat Methods Med Res. 1999; 8: 135–60
   PubMed Web of Science ®Google Scholar
• Puyau MR, Adolph AL, Vohra FA, Butte NF. Validation and calibration of physical activity monitors in children. Obes Res. 2002; 10: 150–7
   PubMedGoogle Scholar
• Ainsworth BE, Haskell WL, Leon AS, Jacobs DR, Jr, Montoye HJ, Sallis JF, et al. Compendium of physical activities: classification of energy costs of human physical activities. Med Sci Sports Exerc. 1993; 25: 71–80
   PubMed Web of Science ®Google Scholar
• Ainsworth BE, Haskell WL, Whitt MC, Irwin ML, Swartz AM, Strath SJ, et al. Compendium of physical activities: an update of activity codes and MET intensities. Med Sci Sports Exerc. 2000; 32: S498–504
   PubMed Web of Science ®Google Scholar
• Welk GJ, Corbin CB, Dale D. Measurement issues in the assessment of physical activity in children. Res Q Exerc Sport. 2000; 71: S59–73
   PubMed Web of Science ®Google Scholar
• LaMonte MJ, Ainsworth BE. Quantifying energy expenditure and physical activity in the context of dose response. Med Sci Sports Exerc. 2001; 33: S370–8
   PubMed Web of Science ®Google Scholar
• Ramirez-Marrero FA. Physical Activity and Energy Expenditure in African-American Children Ohio State University; 1997.
   Google Scholar