This study measured the effect of a 20-week, family-centered electronic media intervention on electronic media use, body composition (dual-energy X-ray absorptiometry; DXA), physical activity and dietary behaviors in boys. Twenty-two boys were assigned and 21 were analyzed in an experimental or control group. Boys in the experimental group set electronic media use goals and used TV Allowance™ device and ENUFF® software to reduce electronic media use. Data were collected at baseline, 10 weeks and 20 weeks. Interactions were found in daily electronic media use and DXA. At 10 weeks, step counts increased by 543 steps per day in the experimental group and decreased by 340 steps per day in the controls. Steps in both groups were higher at 20 weeks. Meals or snacks eaten while using electronic media decreased in the experimental group only. In conclusion, a family-centered electronic media intervention may reduce electronic media use and contribute to desirable changes in body composition.
Bassett, D., Ainsworth, B., Leggett, S., Mathien, C., Hunter, D. and Duncan, G. (1996) `Accuracy of Five Electronic Pedometers for Measuring Distance Walked', Medicine and Science in Sports and Exercise28(8): 1071-7.
2.
Boreham, C. and Riddoch, C. (2001) `The Physical Activity, Fitness and Health of Children' , Journal of Sport Science19(12): 915-29.
3.
Christodoulos, A., Flouris, A. and Tokmakidis, S. (2006) `Obesity and Physical Fitness of Pre-adolescent Children During the Academic Year and the Summer Period: Effects of Organized Physical Activity', Journal of Child Health Care10(3): 199-212.
4.
Crespo, C., Smit, E., Troiano, R., Bartlett, S., Macera, C. and Andersen, R. (2001) `Television Watching, Energy Intake and Obesity in US Children: Results from the Third National Health and Nutrition Examination Survey, 1988-1994', Archives of Pediatric Adolescent Medicine155(3): 360-5.
5.
Eisenmann, J., Strath, S., Shadrick, D., Rigsby, P., Hirsch, N. and Jacobson, L. (2004) `Validity of Uniaxial Accelerometry During Activities of Daily Living in Children', European Journal of Applied Physiology91(2): 259-63.
6.
Eston, R., Rowlands, A. and Ingledew, D. (1998) `Validity of Heart Rate, Pedometry and Accelerometry for Predicting the Energy Cost of Children's Activities', Journal of Applied Physiology84(1): 362-71.
7.
Ford, B., Mcdonald, T., Owens, A. and Robinson, T. (2002) `Primary Care Interventions to Reduce Television Viewing in African-American Children', American Journal of Preventative Medicine22(2): 106-9.
8.
Francis, L. and Birch, L. (2002) `Parental Weight Status Moderates Relationships Among Television Viewing, Snacking and Girls' Increase in BMI', American Journal of Clinical Nutrition75(2): 351-7.
9.
Freeman, D., Wang, J., Maynard, L., Thornton, J., Mei, Z., Pierson R. Jr., Dietz, W. and Horlick, M. ( 2005) `Relation of BMI to Fat and Fat-free Mass among Children and Adolescents', International Journal of Obesity29(1): 1-8.
10.
Gentile, D. and Walsh, D. (2002) `A Normative Study of Family Media Habits', Applied Developmental Psychology23(2): 157-78.
11.
Hagger, M., Cale, L. and Almond, L. (1997) `Children's Physical Activity Levels and Attitudes Towards Physical Activity', European Physical Educations Review3(2): 144-64.
12.
Loucaides, C.A., Chedzoy, S.M. and Bennett, N. (2003) `Pedomter-assessed Physical (Ambulatory) Activity in Cypriot Children', European Physical Education Review9(1): 43-55.
13.
Loucaides, C.A., Chedzoy, S.M. and Bennett, N. (2004) `Differences in Physical Activity Levels between Urban and Rural School Children in Cyprus', Health Education Research19(2): 138-47.
14.
Roberts, D., Foehr, U. and Rideout, V. (2005) `Generation M: Media in the Lives of 8-18-year-olds. AKaiser Family Foundation Study', URL (consulted 30 March): http: //www.kff.org/entmedia
15.
Robinson, T. (1999) `Reducing Children's Television Viewing to Prevent Obesity: a Randomized Controlled Trial', Journal of the American Medical Association282(16): 1561-7.
16.
Robinson, T. and Killen, J. (1995) `Ethnic and Gender Differences in the Relationships between Television Viewing and Obesity, Physical Activity and Dietary Fat Intake', Journal of Health Education26: S91-8.
17.
Rockett, H., Wolf, A. and Colditz, G. (1995) `Development and Reproducibility of a Food Frequency Questionnaire to Assess Diets of Older Children and Adolescents', Journal of the American Dietetic Association95(3): 336-40.
18.
Sallis, J., Strikmiller, P., Harsha, D., Feldman, H., Ehlinger, S., Stone, E., Williston, J. and Woods, S. (1996) `Validation of Interviewer- and Self-administered Physical Activity Checklist for Fifth Grade Students', Medicine and Science in Sports and Exercise28(7): 840-51.
19.
Schmitz, K.H., Harnack, L., Fulton, J.E., Jacobs, D.R. Jr, Gao, S., Lytle , L.A. and Van Coevering , P. (2004) `Reliability and Validity of a Brief Questionnaire to Asses Television Viewing and Computer Use by Middle School Children', Journal of School Health74(9): 370-7.
20.
Taras, H.F., Sallis, J.F., Patterson, T.L., Nader, P.R. and Nelson, J.A. (1989) `Television's Influence on Childerns' Diet and Physical Activity', Journal of Developmental and Behavioral Pediatrics10(4): 176-80.
21.
Todd, M., Sidman, C. and Flohr, J. (2002) `Using Pedometers to Assess Physical Activity in Children', Virginia Journal24: 6-8.
22.
TV Turnoff Network (2000) Breaking Free of TV: How and Why to Turn it Off . Washington, DC: TV Turnoff Network .
23.
Utter, J., Neumark-Sztainer, D., Jeffery, R.and Story, M. (2003) `Couch Potatoes or French Fries: are Sedentary Behaviors Associated with Body Mass Index, Physical Activity, and Dietary Behaviours among Adolescents?', Journal of the American Diet Association10(4): 1298-305.
24.
Vanderwater, E., Mi-Suk, S. and Caplovitz, A. (2004) `Linking Obesity and Activity Level with Children's Television and Video Game Use', Journal of Adolescence27(1): 71-85.
25.
Welk, G., Differding, J., Thompson, R., Blair, S., Dziura, J. and Hart, P. (2000) `The Utility of the Digi-Walker Step Counter to Assess Daily Physical Activity Patterns', Medicine and Science in Sports and Exercise32(9): S481-8.
26.
Yilmaz, D., Ersoy, B., Bilgin, E., Gümüs, G., Onur, E. and Dundar-Pinar, E. (2005) `Bone Mineral Density in Girls and Boys at Different Pubertal Stages: Relation with Gonadal Steroids , Bone Formation Markers and Growth Parameters', Journal of Bone Mineral and Metabolism23(6): 476-82.
