Averting uncertainty: A practical guide to physical activity research in australian schools

Australian Journal of Teacher Education

Volumn 38, Issue 9, 2013, Pages 76-93

  Rachele, Jerome N ^a   Cuddihy, Thomas F ^a   Washington, Tracy L ^a   McPhail, Steven M ^a  

^a QUEENSLAND UNIVERSITY OF TECHNOLOGY   (Australia)

Author keywords

[No Author keywords available]

Indexed keywords

EID: 84884948498     PISSN: 1835517X     EISSN: None     Source Type: Journal    
DOI: 10.14221/ajte.2013v38n9.4     Document Type: Article

References (108)

1. Adhikari, P. (2006). Socio-economic indexes for areas: Introduction, use and future directions. Canberra: Australian Bureau of Statistics.
2. Alibali, M., & Nathan, M. (2010). Conducting research in schools: A practical guide. Journal of Cognition and Development, 11(4), 397-407.
3. Arvidsson, D., Slinde, F., & Hulthen, L. (2005). Physical activity questionnaire for adolescents validated against doubly labelled water. European Journal of Clinical Nutrition, 59(3), 376-383.
4. Australian Curriculum Assessment and Reporting Authority (2011). Australian curriculum cross-curriculum priorities. http://www.australiancurriculum.edu.au/CrossCurriculumPriorities
5. Australian Curriculum Assessment and Reporting Authority. (2012a). My School. Retrieved January 2nd, 2012, from http://www.myschool.edu.au
6. Australian Curriculum Assessment and Reporting Authority. (2012b). The shape of the Australian curriculum: Health and physical education. Sydney: Australian Curriculum, Assessment and Reporting Authority.
7. Australian Institute of Health and Welfare. (2004). Australia's health 2004. Canberra: AIHW
8. Australian Institute of Health and Welfare. (2006). Australia's health 2006. AIHW cat. no. AUS 73. Canberra: AIHW.
9. Australian Institute of Health and Welfare. (2008). Australia's health 2008. Cat. no. AUS 99. Canberra: AIHW
10. Australian Institute of Health and Welfare. (2010). Australia's health 2010. Australia' s health series no. 12. Cat. no. AUS 122. Canberra: AIHW.
11. Australian Institute of Health and Welfare. (2012). Australia' s health 2012. Australia' s health series no.13. Cat. no. AUS 156. Canberra: AIHW.
12. Babkie, A. M., & Provost, M. C. (2004). Teachers as researchers. Intervention in School and Clinic, 39(5), 260-268. doi: 10.1177/10534512040390050201
13. Baquet, G., Stratton, G., Van Praagh, E., & Berthoin, S. (2007). Improving physical activity assessment in prepubertal children with high-frequency accelerometry monitoring: A methodological issue. Preventive Medicine, 44(2), 143-147.
14. Belton, S., & Donncha, C. M. (2010). Reliability and validity of a new physical activity selfreport measure for younger children. Measurement in physical education and exercise science, 14(1), 15-28. doi: 10.1080/10913670903454994
15. Booth, S. L., Sallis, J. F., Ritenbaugh, C., Hill, J. O., Birch, L. L., Frank, L. D., . . . Hays, N. P. (2001). Environmental and societal factors affect food choice and physical activity: Rationale, influences, and leverage points. Nutrition Reviews, 59(3), S21-S36. doi: 10.1111/j.1753-4887.2001.tb06983.x
16. Bratteby, L. E., Sandhagen, B., Lotborn, M., & Samuelson, G. (1997). Daily energy expenditure and physical activity assessed by an activity diary in 374 randomly selected 15-year-old adolescents. European Journal of Clinical Nutrition, 51(9), 592-600.
17. Bratteby, L. E., Sandhagen, B., & Samuelson, G. (2005). Physical activity, energy expenditure and their correlates in two cohorts of Swedish subjects between adolescence and early adulthood. European Journal of Clinical Nutrition, 59(11), 1324-1334.
18. Burke, V., Milligan, R., Thompson, C., Taggart, A., Dunbar, D., Spencer, M., . . . Beilin, L. (1998). A controlled trial of health promotion programs in 11-year-olds using physical activity. The Journal of Pediatrics, 132(5), 840-848.
19. Bush, P. J., Zuckerman, A. E., Theiss, P. K., Taggart, V. S., Horowitz, C., Sheridan, M. J., & Walter, H. J. (1989). Cardiovascular risk factor prevention in black schoolchildren: Two-year results of the "Know Your Body" program. American Journal of Epidemilogy, 129(3), 466.
20. Cale, L. (2000). Physical activity promotion in secondary schools.
21. Cancer Council Australia. (2011). Prevalence of meeting physical activity recommendations in Australian secondary students. Retrieved from http://www.cancer.org.au/File/NewsMedia/Media%20materials/Physical_activity_res earch_memo_NaSSDA_updated.pdf.
22. Carrel, A. L., Clark, R. R., Peterson, S. E., Nemeth, B. A., Sullivan, J., & Allen, D. B. (2005). Improvement of fitness, body composition, and insulin sensitivity in overweight children in a school-based exercise program: a randomized, controlled study. Archives of Pediatrics and Adolescent Medicine, 159(10), 963.
23. Catholic Education Archdiocese of Brisbane. (2010). Brisbane catholic education research guidelines. Brisbane.
24. Chen, K. Y., & Bassett, D. R. (2005). The technology of accelerometry-based activity monitors: Current and future. Medicine and Science in Sports and Exercise, 37(Supplement), S490-S500.
25. Chinapaw, M. J. M., Mokkink, L. B., van Poppel, M. N. M., van Mechelen, W., & Terwee, C. B. (2010). Physical activity questionnaires for youth: A systematic review of measurement properties. Sports Medicine, 40(7), 539-563.
26. Cleland, V., Dwyer, T., Blizzard, L., & Venn, A. (2008). The provision of compulsory school physical activity: Associations with physical activity, fitness and overweight in childhood and twenty years later. International Journal of Behavioral Nutrition and Physical Activity, 5(1), 5-14.
27. Cooper, A. R., Page, A. S. P., Foster, L. J., & Qahwaji, D. (2003). Commuting to school: Are children who walk more physically active? American Journal of Preventive Medicine, 25(4), 273-276.
28. Corder, K., van Sluijs, E. M., Wright, A., Whincup, P., Wareham, N. J., & Ekelund, U. (2009). Is it possible to assess free-living physical activity and energy expenditure in young people by self-report? The American Journal of Clinical Nutrition, 89(3), 862-870. doi: 10.3945/ajcn.2008.26739
29. Cuddihy, T. F., Pangrazi, R. P., & Tomson, L. M. (2005). Pedometers: Answers to FAQs from teachers. Journal of Physical Education, Recreation and Dance, 76(2), 36.
30. Department of Education and Early Childhood. (2006). Teachers as researchers. East Melbourne: State of Victoria.
31. Department of Education and Training. (2005). Research application guidelines. Retrieved January 2nd, 2012, from http://education.qld.gov.au/corporate/research/research_guidelines.pdf
32. Department of Health and Ageing. (2004). Australia's physical activity recommendations for 12-18 year olds. Canberra.
33. Dobbins, M., DeCorby, K., Robeson, P., Husson, H., & Tirilis, D. (2009). Cochrane review: Schoolbased physical activity programs for promoting physical activity and fitness in children and adolescents aged 6-18. Evidence-Based Child Health: A Cochrane Review Journal, 4(4), 1452-1561.
34. dos Santos Silva, I. (1999). Overview of study designs. In I. dos Santos Silva (Ed.), Cancer epidemiology: Principles and methods (pp. 83-101). Lyon: World Health Organisation: International Agency for Research on Cancer
35. Lambdin, D., & Erwin, H. (2007). School wellness policy: Community connections. Journal of Physical Education, Recreation and Dance, 78(6), 29.
36. Dzewaltowski, D. A. (1997). The ecology of physical activity and sport: Merging science and practice. Journal of Applied Sport Psychology, 9(2), 254-276. doi: 10.1080/10413209708406486
37. Ekelund, U., Sjostrom, M., Yngve, A., Poortvliet, E., Nilsson, A., Froberg, K., . . . Westerterp, K. (2001). Physical activity assessed by activity monitor and doubly labeled water in children. Medicine and Science in Sports and Exercise, 275-281.
38. Eliakim, A., Barstow, T. J., Brasel, J. A., Ajie, H., Lee, W. N. P., Renslo, R., . . . Cooper, D. M. (1996). Effect of exercise training on energy expenditure, muscle volume, and maximal oxygen uptake in female adolescents. The Journal of Pediatrics, 129(4), 537-543.
39. Ewart, C. K., Young, D. R., & Hagberg, J. M. (1998). Effects of school-based aerobic exercise on blood pressure in adolescent girls at risk for hypertension. American Journal of Public Health, 88(6), 949.
40. Faber, L., Kulinna, P. H., & Darst. P. (2007). Strategies for physical activity promotion beyond the physical education classroom. Journal of Physical Education, Recreation and Dance, 78(9), 27.
41. Fairclough, S., & Stratton, G. (2006). Effects of a physical education intervention to improve student activity levels. Physical Education and Sport Pedagogy, 11(1), 29-44.
42. Frank, G. C., Nader, P. R., Zive, M. M., Broyles, S. L., & Brennan, J. J. (2003). Retaining school children and families in community research: Lessons from the study of children's activity and nutrition (SCAN). Journal of School Health, 73(2), 51-57. doi: 10.1111/j.1746-1561.2003.tb03571.x
43. Going, S. B., Levin, S., & Harrell, J. (1999). Physical activity assessment in American Indian schoolchildren in the Pathways study. The American Journal of Clinical Nutrition, 69(0 suppl.), S788-S795.
44. Graf, C., Rost, S. V., Koch, B., Heinen, S., Falkowski, G., Dordel, S., . . . Christ, H. (2005). Data from the StEP TWO programme showing the effect on blood pressure and different parameters for obesity in overweight and obese primary school children. Cardiology in the Young, 15(3), 291-298.
45. Gray, J., & Campbell-Evans, G. (2002). Beginning teachers as teacher-researchers. Australian Journal of Teacher Education, 27(1), 4.
46. Guo, S. S., & Chumlea, W. C. (1999). Tracking of body mass index in children in relation to overweight in adulthood. The American Journal of Clinical Nutrition, 70(1), 145S-148S.
47. Haerens, L., De Bourdeaudhuij, I., Maes, L., Cardon, G., & Deforche, B. (2007). Schoolbased randomized controlled trial of a physical activity intervention among adolescents. Journal of Adolescent Health, 40(3), 258-265.
48. Hallal, P. C., Victora, C. G., Azevedo, M. R., & Wells, J. C. K. (2006). Adolescent physical activity and health: A systematic review. Sports Medicine, 36(12), 1019-1030.
49. Henry, C. J. K., Websteri-Gandy, J. D., & Elia, M. (1999). Physical activity levels in a sample of Oxford school children aged 10-13 years. European Journal of Clinical Nutrition, 53(11), 840-843.
50. Humbert, M. L., Chad, K. E., Spink, K. S., Muhajarine, N., Anderson, K. D., Bruner, M. W., . . . Gryba, C. R. (2006). Factors that influence physical activity participation among high-and low-SES youth. Qualitative Health Research, 16(4), 467-483. doi: 10.1177/1049732305286051
51. Ilisko, D., Ignatjeva, S., & Micule, I. (2010). Teachers as researchers: Bringing teachers' voice to the educational landscape. Journal of Teacher Education for Sustainability, 12(1), 51-65. doi: 10.2478/v10099-009-0046-x
52. Jamner, M. S., Spruijt-Metz, D., Bassin, S., & Cooper, D. M. (2004). A controlled evaluation of a school-based intervention to promote physical activity among sedentary adolescent females: project FAB. Journal of Adolescent Health, 34(4), 279-289. doi: 10.1016/j.jadohealth.2003.06.003
53. Keyserling, T. C., Hodge, S. C. D., Jilcott, S. B., Johnston, L. F., Garcia, B. A., Gizlice, Z., . . . Ammerman, A. S. (2008). Randomized trial of a clinic-based, community-supported, lifestyle intervention to improve physical activity and diet: The North Carolina enhanced WISEWOMAN project. Preventive Medicine, 46(6), 499-510. doi: DOI: 10.1016/j.ypmed.2008.02.011
54. Kipping, R. R., Jago, R., & Lawlor, D. A. (2012). Developing parent involvement in a school-based child obesity prevention intervention: A qualitative study and process evaluation. Journal of Public Health, 34(2), 236-236.
55. Kohl, H. W., Fulton, J. E., & Caspersen, C. J. (2000). Assessment of physical activity among children and adolescents: A review and synthesis. Preventive Medicine, 31(2 (Supplement)), S54-S76. doi: DOI: 10.1006/pmed.1999.0542
56. Lee, K. S., & Trost, S. G. (2005). Validity and reliability of the 3-day physical activity recall in Singaporean adolescents. Research Quarterly for Exercise and Sport, 76(1), 101-106.
57. Lionis, C., Kafatos, A., Vlachonikolis, J., Vakaki, M., Tzortzi, M., & Petraki, A. (1991). The effects of a health education intervention program among Cretan adolescents. Preventive Medicine, 20(6), 685-699.
58. Maia, J. A., Ferreira, J. C., Lopes, V. P., & Vasques, C. M. (2007). Habitual physical activity levels in childhood and adolescence assessed with accelerometry. Journal of Sports Medicine and Physical Fitness, 47(2), 217-222.
59. Mathews, L., Moodie, M., Simmons, A., & Swinburn, B. (2010). The process evaluation of It's Your Move!, an Australian adolescent community-based obesity prevention project. BMC Public Health, 10(1), 448.
60. McKenzie, T. L., Sallis, J. F., Faucette, N., Roby, J. J., & Kolody, B. (1993). Effects of a curriculum and inservice program on the quantity and quality of elementary physical education classes. Research Quarterly for Exercise and Sport, 64(2), 178.
61. McKenzie, T. L., Sallis, J. F., Kolody, B., & Faucette, F. N. (1997). Long-term effects of a physical education curriculum and staff development program: SPARK. Research Quarterly for Exercise and Sport, 68(4), 280-291.
62. McLaughlin, D. (2006). Physical activity time and being a good sport. Teaching Elementary Physical Education, 17(6), 51-54.
63. McMurray, R. G., Ward, D. S., Elder, J. P., Lytle, L. A., Strikmiller, P. K., Baggett, C. D., & Young, D. R. (2008). Do overweight girls overreport physical activity? American Journal of Health Behavior, 32(5), 538-546.
64. Mota, J., Valente, M., Aires, L., Silva, P., Paula Santos, M., & Ribeiro, J. C. (2007). Accelerometer cut-points and youth physical activity prevalence. European Physical Education Review, 13(3), 287-299.
65. Muller-Riemenschneider, F., Reinhold, T., Nocon, M., & Willich, S. N. (2008). Long-term effectiveness of interventions promoting physical activity: A systematic review. Preventive Medicine, 47(4), 354-368. doi: DOI: 10.1016/j.ypmed.2008.07.006
66. NHMRC. (2007). National Statement on Ethical Conduct in Research Involving Humans. Canberra.
67. Nickelson, J., Alfonso, M. L., McDermott, R. J., Bumpus, E. C., Bryant, C. A., & Baldwin, J. A. (2011). Characteristics of "Tween" participants and non-participants in the VERB[TM] Summer Scorecard physical activity promotion program. Health Education Research, 26(2), 225-238.
68. Olds, R. S., & Symons, C. W. (1990). Recommendations for obtaining cooperation to conduct school-based research. Journal of School Health, v60(n3), p96(93).
69. Owen, N., Bauman, A., Booth, M., Oldenburg, B., & Magnus, P. (1995). Serial mass-media campaigns to promote physical activity: reinforcing or redundant? American Journal of Public Health, 85(2), 244.
70. Park, T.-G., Hong, H.-R., Lee, J., & Kang, H.-S. (2007). Lifestyle plus exercise intervention improves metabolic syndrome markers without change in adiponectin in obese girls. Annals of Nutrition and Metabolism, 51(3), 197-203.
71. Parsons, T. J., Power, C., Logan, S., & Summerbell, C. D. (1999). Childhood predictors of adult obesity: A systematic review. International Journal of Obesity and Related Metabolic Disorders, 23 (Supplement 8), S1-S107.
72. Pate, R. (1993). Physical activity assessment in children and adolescents. Critical Reviews in Food Science and Nutrition, 33(4-5), 321-326.
73. Pate, R. R., Ross, R., Dowda, M., Trost, S. G., & Sirard, J. R. (2003). Validation of a 3-day physical activity recall instrument in female youth. Pediatric Exercise Science, 15(3), 257-265.
74. Pate, R. R., Ward, D. S., Saunders, R. P., Felton, G., Dishman, R. K., & Dowda, M. (2005). Promotion of physical activity among high-school girls: A randomized controlled trial. American Journal of Public Health, 95(9), 1582-1587.
75. Petosa, R., & Goodman, R. M. (1991). Recruitment and retention of schools participating in school health research. Journal of School Health, 61(10), 426.
76. Pincus, D. B., & Friedman, A. G. (2004). Improving children's coping with everyday stress: Transporting treatment interventions to the school setting. Clinical Child and Family Psychology Review, 7(4), 223-240. doi: 10.1007/s10567-004-6087-8
77. Price, H., Tucker, L., Griffin, S., & Holman, R. (2008). The impact of individualised cardiovascular disease (CVD) risk estimates and lifestyle advice on physical activity in individuals at high risk of CVD: A pilot 2 x 2 factorial understanding risk trial. Cardiovascular Diabetology, 7(1), 21.
78. Rachele, J. N., McPhail, S. M., Washington, T. L., & Cuddihy, T. F. (2012). Practical physical activity measurement in youth: A review of contemporary approaches. World Journal of Pediatrics, 8(3), 207-216. doi: 10.1007/s12519-012-0359-z
79. Reed, K. E., Warburton, D. E. R., Macdonald, H. M., Naylor, P. J., & McKay, H. A. (2008). Action Schools! BC: A school-based physical activity intervention designed to decrease cardiovascular disease risk factors in children. Preventive Medicine, 46(6), 525-531. doi: 10.1016/j.ypmed.2008.02.020
80. Rice, M., & Broome, M. E. (2004). Incentives for children in research. Journal of Nursing Scholarship, 36(2), 167-172. doi: 10.1111/j.1547-5069.2004.04030.x
81. Rice, M., Bunker, K. D., Kang, D.-H., Howell, C. C., & Weaver, M. (2007). Accessing and recruiting children for research in schools. Western Journal of Nursing Research, 29(4), 501-514. doi: 10.1177/0193945906296549
82. Robinson, A. H., Norman, G. J., Sallis, J. F., Calfas, K. J., Rock, C. L., & Patrick, K. (2008). Validating stage of change measures for physical activity and dietary behaviors for overweight women. International Journal of Obesity, 32(7), 1137-1144.
83. Sallis, J. F. (1991). Self-report measures of children's physical activity. Journal of School Health, 61(5), 215-219.
84. Sallis, J. F., McKenzie, T. L., Conway, T. L., Elder, J. P., Prochaska, J. J., Brown, M., . . . Alcaraz, J. E. (2003). Environmental interventions for eating and physical activity: A randomized controlled trial in middle schools. American Journal of Preventive Medicine, 24(3), 209-217. doi: Doi: 10.1016/s0749-3797(02)00646-3
85. Sanchez, A., Norman, G. J., Sallis, J. F., Calfas, K. J., Rock, C., & Patrick, K. (2008). Patterns and correlates of multiple risk behaviors in overweight women. Preventive Medicine, 46(3), 196-202. doi: DOI: 10.1016/j.ypmed.2007.10.005
86. Saunders, R. P., Pate, R. R., Felton, G., Dowda, M., Weinrich, M. C., Ward, D. S., . . . Baranowski, T. (1997). Development of questionnaires to measure psychosocial influences on children's physical activity. Preventive Medicine, 26(2), 241-247.
87. Scruggs, P., Mungen, J., & Oh, Y. (2010a). Physical activity measurement device agreement: Pedometer steps/minute and physical activity time. Measurement in Physical Education and Exercise Science, 14(3), 151-163.
88. Scruggs, P., Mungen, J., & Oh, Y. (2010b). Quantifying moderate to vigorous physical activity in high school physical education: A pedometer steps/minute standard. Measurement in Physical Education and Exercise Science, 14(2), 104-115.
89. Sedgwick, P. (2010). Primary and secondary outcome measures. BMJ, 340, c1938. doi: 10.1136/bmj.c1938
90. Sjoberg, A., Slinde, F., Arvidsson, D., Ellegard, L., Gramatkovski, E., Hallberg, L., & Hulthen, L. (2003). Energy intake in Swedish adolescents: Validation of diet history with doubly labelled water. European Journal of Clinical Nutrition, 57(12), 1643-1652. doi: 10.1038/sj.ejcn.1601892
91. Sleap, M. (1996). Physical activity levels of 5-11-year-old children in England: Cumulative evidence from three direct observation studies. International Journal of Sports Medicine, 17(4), 248-253.
92. Sloane, R., Demark-Wahnefried, W., Snyder, D. C., Kraus, W. E., & Lobach, D. (2009). Comparing the 7-day physical activity recall with a triaxial accelerometer for measuring time in exercise. Medicine and Science in Sports and Exercise, 41(6), 1334.
93. Trost, S. G. (2007). State of the art reviews: Measurement of physical activity in children and adolescents. American Journal of Lifestyle Medicine, 1(4), 299-314.
94. Trost, S. G., Marshall, A. L., Miller, R., Hurley, J. T., & Hunt, J. A. (2007). Validation of a 24-h physical activity recall in indigenous and non-indigenous Australian adolescents. Journal of Science and Medicine in Sport, 10(6), 428-435.
95. Trost, S. G., Pate, R. R., Freedson, P. S., Sallis, J. F., & Wendell, T. C. (2000). Using objective physical activity measures with youth: How many days of monitoring are needed? Medicine and Science in Sports and Exercise, 32(2), 426-431.
96. Trost, S. G., Ward, D. S., McGraw, B., & Pate, R. R. (1999). Validity of the previous day physical activity recall (PDPAR) in fifth-grade children. Pedriatric Exercise Science, 11(4), 341-348.
97. Tudor-Locke, C., & McClain, J. J. (2009). Objective monitoring of physical activity in children: Considerations for instrument selection. Journal of Science and Medicine in Sport, 12(5), 526-533.
98. Tudor-Locke, C., McClain, J. J., Hart, T. L., Sisson, S. B., & Washington, T. L. (2009). Expected values for pedometer-determined physical activity in youth. Research Quarterly for Exercise and Sport, 80(2), 164-174.
99. Tudor-Locke, C., Pangrazi, R. P., Corbin, C. B., Rutherford, W. J., Vincent, S. D., Raustorp, A., . . . Cuddihy, T. F. (2004). BMI-referenced standards for recommended pedometer-determined steps/day in children. Preventive Medicine, 38(6), 857-864. doi: 10.1016/j.ypmed.2003.12.018
100. Verstraete, S. J. M., Cardon, G. M., De Clercq, D. L. R., & De Bourdeaudhuij, I. M. M. (2006). Increasing children's physical activity levels during recess periods in elementary schools: The effects of providing game equipment. The European Journal of Public Health, 16(4), 415-419. doi: 10.1093/eurpub/ckl008
101. Watson, D. L., Beveridge, S. K., & Scruggs, P. W. (2003). Increasing children's school time physical activity using structured fitness breaks. Pediatric Exercise Science, 15(2), 156-169.
102. Welk, G. (2008). The role of physical activity assessments for school-based physical activity promotion. Measurement in Physical Education and Exercise Science, 12(3), 184-206.
103. Welk, G. J., Dzewaltowski, D. A., & Hill, J. L. (2004). Comparison of the computerized ACTIVITYGRAM instrument and the Previous Day Physical Activity Recall for assessing physical activity in children. Research Quarterly for Exercise and Sport, 75(4), 370-380.
104. Weston, A. T., Petosa, R., & Pate, R. R. (1997). Validation of an instrument for measurement of physical activity in youth. Medicine and Science in Sports and Exercise, 29(1), 138-143.
105. Wickel, E. E., Eisenmann, J. C., Pangrazi, R. P., Graser, S. V., Raustorp, A., Tomson, L. M., & Cuddihy, T. F. (2007). Do children take the same number of steps every day? American Journal of Human Biology, 19(4), 537-543. doi: 10.1002/ajhb.20613
106. World Health Organization. (2004). Global strategy on diet, physical activity and health. World Health Organisation (WHO).
107. Wright, C. M., Parker, L., Lamont, D., & Craft, A. W. (2001). Implications of childhood obesity for adult health: Findings from thousand families cohort study. BMJ, 323(7324), 1280-1284. doi: 10.1136/bmj.323.7324.1280
108. Yngve, A., Anderson, C. B., & Hagstromer, M. (2005). Validation of the PDPAR as an adolescent diary: Effect of accelerometer cut points. Medicine and Science in Sports and Exercise, 37(7), 1224-1230.