Tracking of TV and video gaming during childhood: Iowa Bone Development Study

Shelby L Francis; Matthew J Stancel; Frances D Sernulka-George; Barbara Broffitt; Steven M Levy; Kathleen F Janz

doi:10.1186/1479-5868-8-100

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Tracking of TV and video gaming during childhood: Iowa Bone Development Study

Journal article

Open access

Peer reviewed

Tracking of TV and video gaming during childhood: Iowa Bone Development Study

Shelby L Francis, Matthew J Stancel, Frances D Sernulka-George, Barbara Broffitt, Steven M Levy and Kathleen F Janz

The international journal of behavioral nutrition and physical activity, Vol.8(1), 100

09/24/2011

DOI: 10.1186/1479-5868-8-100

PMCID: PMC3186734

PMID: 21943061

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Abstract

Tracking studies determine the stability and predictability of specific phenomena. This study examined tracking of TV viewing (TV) and video game use (VG) from middle childhood through early adolescence after adjusting for moderate and vigorous physical activity (MVPA), percentage of body fat (% BF), and maturity. TV viewing and VG use were measured at ages 5, 8, 11, and 13 (n = 434) via parental- and self-report. MVPA was measured using the Actigraph, % BF using dual-energy x-ray absorptiometry, and maturity via Mirwald predictive equations. Generalized Estimating Equations (GEE) were used to assess stability and logistic regression was used to predict children "at risk" for maintaining sedentary behaviors. Additional models examined tracking only in overfat children (boys ≥ 25% BF; girls ≥ 32% BF). Data were collected from 1998 to 2007 and analyzed in 2010. The adjusted stability coefficients (GEE) for TV viewing were 0.35 (95% CI = 0.26, 0.44) for boys, 0.32 (0.23, 0.40) for girls, and 0.45 (0.27, 0.64) for overfat. For VG use, the adjusted stability coefficients were 0.14 (0.05, 0.24) for boys, 0.24 (0.10, 0.38) for girls, and 0.29 (0.08, 0.50) for overfat. The adjusted odds ratios (OR) for TV viewing were 3.2 (2.0, 5.2) for boys, 2.9 (1.9, 4.6) for girls, and 6.2 (2.2, 17.2) for overfat. For VG use, the OR were 1.8 (1.1, 3.1) for boys, 3.5 (2.1, 5.8) for girls, and 1.9 (0.6, 6.1) for overfat. TV viewing and VG use are moderately stable throughout childhood and predictive of later behavior. TV viewing appears to be more stable in younger children than VG use and more predictive of later behavior. Since habitual patterns of sedentarism in young children tend to continue to adolescence, early intervention strategies, particularly to reduce TV viewing, are warranted.

Body Composition

Health Behavior

Exercise

Television

Age Factors

Humans

Risk Factors

Self Report

Parents

Actigraphy

Child, Preschool

Male

Sedentary Lifestyle

Absorptiometry, Photon

Iowa

Child Behavior

Obesity - prevention & control

Video Games

Adolescent

Sex Factors

Female

Adolescent Behavior

Odds Ratio

Child

Details

Title: Subtitle: Tracking of TV and video gaming during childhood: Iowa Bone Development Study
Creators: Shelby L Francis - Department of Health and Human Physiology, University of Iowa, Iowa City, IA, USA. shelby-francis@uiowa.edu
Matthew J Stancel
Frances D Sernulka-George
Barbara Broffitt
Steven M Levy
Kathleen F Janz
Resource Type: Journal article
Publication Details: The international journal of behavioral nutrition and physical activity, Vol.8(1), 100
DOI: 10.1186/1479-5868-8-100
PMID: 21943061
PMCID: PMC3186734
NLM abbreviation: Int J Behav Nutr Phys Act
ISSN: 1479-5868
eISSN: 1479-5868
Publisher: England
Grant note: M01-RR00059 / NCRR NIH HHS R01-DE12101 / NIDCR NIH HHS R01-DE09551 / NIDCR NIH HHS UL1 RR024979 / NCRR NIH HHS R01 DE012101 / NIDCR NIH HHS
Language: English
Date published: 09/24/2011
Academic Unit: Preventive and Community Dentistry; Epidemiology; Health, Sport, and Human Physiology
Record Identifier: 9983917766902771

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