WHO: Global Recommendations on Physical Activity for Health. 2010, Geneva: World Health Organisation
Sedentary Behaviour Research Network: Standardised use of the terms ‘sedentary’ and ‘sedentary behaviors’. Appl Physiol Nutr Metab. 2012, 37: 543-545.
Tremblay MS, LeBlanc AG, Kho ME, Saunders TJ, Larouche R, Colley RC, Goldfield G, Gorber SC: Systematic review of sedentary behaviour and health indicators in school-aged children and youth. Int J Behav Nutr Phys Act. 2011, 8: 98-
Jago R, Fox KR, Page AS, Brockman R, Thompson JL: Physical activity and sedentary behaviour typologies of 10–11 year olds. Int J Behav Nutr Phys Act. 2010, 7: 59-
Hands BP, Chivers PT, Parker HE, Beilin L, Kendall G, Larkin D: The associations between physical activity, screen time and weight from 6 to 14 yrs: the Raine Study. J Sci Med Sport. 2011, 14: 397-403.
Liu J, Kim J, Colabianchi N, Ortaglia A, Pate RR: Co-varying patterns of physical activity and sedentary behaviors and their long-term maintenance among adolescents. J Phys Act Health. 2010, 7: 465-474.
Wang MC, Crawford PB, Hudes M, Van Loan M, Siemering K, Bachrach LK: Diet in midpuberty and sedentary activity in prepuberty predict peak bone mass. Am J Clin Nutr. 2003, 77: 495-503.
Gortmaker SL, Dietz WH, Cheung LW: Inactivity, diet, and the fattening of America. J Am Diet Assoc. 1990, 90: 1247-1252. 1255
Rideout VJ, Foehr UG, Roberts DF: Generation of M2 media in the lives of 8–18 year olds: a Kaiser family foundation study. 2010, Menlo Park, Ca: Henry J Kaiser Family Foundation
Commonwealth Scientific Industrial Research Organisation: 2007 Australian National Children’s Nutrition and Physical Activity Survey. 2008, Canberra: Australian Department of Health and Aging
Hakala PT, Rimpela AH, Saarni LA, Salminen JJ: Frequent computer-related activities increase the risk of neck-shoulder and low back pain in adolescents. Eur J Public Health. 2006, 16: 536-541.
Gopinath B, Baur LA, Hardy LL, Kifley A, Rose KA, Wong TY, Mitchell P: Relationship between a range of sedentary behaviours and blood pressure during early adolescence. J Hum Hypertens. 2012, 26: 350-356.
Russ SA, Larson K, Franke TM, Halfon N: Associations between media use and health in US children. Acad Pediatr. 2009, 9: 300-306.
Babey SH, Hastert TA, Wolstein J: Adolescent sedentary behaviors: correlates differ for television viewing and computer use. J Adol Health. 2013, 52: 70-76.
Olds TS, Maher CA, Ridley K, Kittel DM: Descriptive epidemiology of screen and non-screen sedentary time in adolescents: a cross sectional study. Int J Behav Nutr Phys Act. 2010, 7: 92-
Mossle T, Kleimann M, Rehbein F, Pfeiffer C: Media use and school achievement–boys at risk?. Br J Dev Psychol. 2010, 28: 699-725.
Fuchs T, Wossmann L: Computers and student learning; bivariate and multivariate evidence on the availability and use of computers at home and at school. Brussels Economic Review. 2004, 47: 359-386.
Mathers M, Canterford L, Olds T, Hesketh K, Ridley K, Wake M: Electronic media use and adolescent health and well-being: cross-sectional community study. Acad Pediatr. 2009, 9: 307-314.
Summerbell CD, Moore HJ, Vogele C, Kreichauf S, Wildgruber A, Manios Y, Douthwaite W, Nixon CA, Gibson EL: Evidence-based recommendations for the development of obesity prevention programs targeted at preschool children. Obes Rev. 2012, 13 (Suppl 1): 129-132.
Schmidt ME, Haines J, O’Brien A, McDonald J, Price S, Sherry B, Taveras EM: Systematic review of effective strategies for reducing screen time among young children. Obesity (Silver Spring). 2012, 20: 1338-1354.
Huh J, Riggs NR, Spruijt-Metz D, Chou CP, Huang Z, Pentz M: Identifying patterns of eating and physical activity in children: a latent class analysis of obesity risk. Obesity (Silver Spring). 2011, 19: 652-658.
Patnode CD, Lytle LA, Erickson DJ, Sirard JR, Barr-Anderson DJ, Story M: Physical activity and sedentary activity patterns among children and adolescents: a latent class analysis approach. J Phys Act Health. 2011, 8: 457-467.
Olds T, Dollman J, Ridley K, Boshoff K, Hartshorne S, Kennaugh S: Children and sport in South Australia. 2004, Belconnen (South Australia): Australian Sports Commission
Nelson MC, Gordon-Larsen P, Adair LS, Popkin BM: Adolescent physical activity and sedentary behavior: patterning and long-term maintenance. Am J Prev Med. 2005, 28: 259-266.
Ferrar KE, Chang C, Li M, Olds T: Adolescent time use clusters: a systematic review. J Adol Health. 2013, 52: 259-270.
Muthen B, Muthen LK: Integrating person-centered and variable-centered analyses: growth mixture modeling with latent trajectory classes. Alcohol Clin Exp Res. 2000, 24: 882-891.
de Vries H, van ’t Riet J, Spigt M, Metsemakers J, van den Akker M, Vermunt JK, Kremers S: Clusters of lifestyle behaviors: results from the Dutch SMILE study. Prev Med. 2008, 46: 203-208.
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-
Foley LS, Maddison R, Rush E, Olds TS, Ridley K, Jiang Y: Doubly labeled water validation of a computerized use-of-time recall in active young people. Metabolism. 2013, 62: 163-169.
Tudor-Locke C, Williams JE, Reis JP, Pluto D: Utility of pedometers for assessing physical activity: convergent validity. Sports Med. 2002, 32: 795-808.
Tudor-Locke C, Williams JE, Reis JP, Pluto D: Utility of pedometers for assessing physical activity: construct validity. Sports Med. 2004, 34: 281-291.
Bassett DR, Ainsworth BE, Leggett SR, Mathien CA, Main JA, Hunter DC, Duncan GE: Accuracy of five electronic pedometers for measuring distance walked. Med Sci Sports Exerc. 1996, 28: 1071-1077.
Biering-Sorenson F: Physical measurements as risk indicators for low back trouble over a one year period. Spine. 1984, 9: 106-119.
Moreland J, Finch E, Stratford P, Balsor B, Gill C: Interrater reliability of six tests of trunk muscle function and endurance. J Orthop Sports Phys Ther. 1997, 26: 200-208.
Lattika P, Battie MC, Videman T, Gibbons LE: Correlations of isokinetic and psychophysical back lift and static back extensor endurance tests in men. Clin Biomech. 1995, 10: 325-330.
Ropponen A, Gibbons LE, Videman T, Battie MC: Isometric back extension endurance testing: reasons for test termination. J Orthop Sports Phys Ther. 2005, 35: 437-442.
Campbell AC, Briggs AM, O’Sullivan PB, Smith AJ, Burnett AF, Moss P, Straker LM: An exploration of the relationship between back muscle endurance and familial, physical, lifestyle, and psychosocial factors in adolescents and young adults. J Orthop Sports Phys Ther. 2011, 41: 486-495.
Perry M, Smith AJ, Straker LM, Coleman J, O’Sullivan P: Reliability of sagittal photographic spinal posture assessment in adolescents. Adv Physiother. 2008, 10: 66-75.
Smith AJ, O’Sullivan P, Straker LM: Classification of sagittal thoraco-lumbo-pelvic alignment of the adolescent spine in standing and its relationship to low back pain. Spine. 2008, 33: 2101-2107.
Kuorinka I, Jonsson B, Kilbom A, Vinterberg H, Biering-Sorensen F, Andersson G, Jorgensen K: Standardised Nordic questionnaires for the analysis of musculoskeletal symptoms. Appl Ergon. 1987, 18: 233-237.
Cowen EL, Work WC, Hightower AD, Wyman PA, Parker GA, Lotyczewski BS: Toward the development of a measure of perceived self-efficacy in children. J Clin Child Psychol. 1991, 20: 169-178.
Hoeljte CO, Silburn SR, Garton AF, Zubrick SR: Generalised self-efficacy: family and adjustment correlates. J Clin Child Psychol. 1996, 25: 446-453.
Beck JS, Beck AT, Jolly J: Beck youth inventories of emotional and social impairment. 2001, San Antonio, TX: The Psychological Corporation
Achenbach TM: Manual for the youth self-report and the 1991 profile. 1991, Burlinton, VT: University of Vermont
Achenbach TM: Integrative Guide for the 1991 CBCL 4–18, YSR and TRF Profiles. 1991, Burlingotn: University of Burlington
Walker AE, Becker NG: Health inequalities across socio-economic groups: comparing geographic-area-based and individual-based indicators. Public Health. 2005, 119: 1097-1104.
Vermunt JK, Magidson J: Technical Guide for Latent GOLD 4.0: Basic and Advanced. 2005, Belmont Massachusets: Statistical Innovations Inc
Sterne JA, Davey Smith G: Sifting the evidence-what’s wrong with significance tests?. BMJ. 2001, 322: 226-231.
Gorely T, Marshall SJ, Biddle SJ, Cameron N: Patterns of sedentary behaviour and physical activity among adolescents in the United Kingdom: project STIL. J Behav Med. 2007, 30: 521-531.
Ferrar KE, Olds TS, Walters JL: All the stereotypes confirmed: differences in how Australian boys and girls use their time. Health Educ Behav. 2012, 39: 589-595.
Straker L, Burgess-Limerick R, Pollock C, Coleman J, Skoss R, Maslen B: Children’s posture and muscle activity at different computer display heights and during paper information technology use. Hum Factors. 2008, 50: 49-61.
Auvinen J, Tammelin T, Taimela S, Zitting P, Karppinen J: Neck and shoulder pains in relation to physical activity and sedentary activities in adolescence. Spine (Phila Pa 1976). 2007, 32: 1038-1044.
Straker L, Smith AJ, Bear N, O’Sullivan P, de Klerk N: Neck/shoulder pain, habitual spinal posture and computer use in adolescents: the importance of gender. Ergonomics. 2011, 54: 539-546.
Straker L, Burgess-Limerick R, Pollock C, Maslen B: The influence of desk and display design on posture and muscle activity variability whilst performing information technology tasks. Appl Ergon. 2009, 40: 852-859.
Schunk DH, Meece JL: Self-efficacy development in adolescence. Self-efficacy beliefs of adolescents. Edited by: Pajares F, Urdan T. 2006, Greenwich, Connecticut: Information Age Publishing, 72-96.
Livingstone S: Taking risky opportunities in youthful content creation: teenagers use of social networking sites for intimacy, privacy and self-expression. New Media & Society. 2008, 10: 393-411.
Graham DJ, Bauer KW, Friend S, Barr-Anderson DJ, Nuemark-Sztainer D: Personal, behavioral, and socio-environmental correlates of physical activity among adolescent girls: cross-sectional and longitudinal associations. J Phys Act Health. 2012, [Epud ahead of print]
Harris C, Straker L, Pollock C: The influence of age, gender and other information technology use on young people’s computer use at school and home. Work. 2013, 44: 61-71.