Journal article
Effects of adiposity on physical activity in childhood: Iowa Bone Development Study
Medicine and science in sports and exercise, Vol.43(3), pp.443-448
03/2011
DOI: 10.1249/MSS.0b013e3181ef3b0a
PMCID: PMC3130563
PMID: 20631643
Abstract
The aim of this study was to examine whether adiposity level is associated with subsequent physical activity (PA) level in childhood. Study participants were 326 children participating in the Iowa Bone Development Study. PA and fat mass were measured using accelerometers and dual-energy x-ray absorptiometry (DXA) at approximately 5, 8, and 11 yr. Data for relevant variables such as parents' education and PA levels and family income were also collected. Gender-specific generalized linear models were fit to examine the association between percentage body fat (%BF) at age 8 and intensity-weighted moderate- to vigorous-intensity PA (IW-MVPA) at age 11. After adjusting for IW-MVPA at age 8, the interval between the age 8 and 11 examinations, residualized change scores of %BF and IW-MVPA from age 5 to 8, and mother's education level, %BF at age 8 was negatively associated with IW-MVPA at age 11 among boys (P < 0.05). After adjusting for IW-MVPA at age 8, physical maturity, and family income, %BF at age 8 was negatively associated with IW-MVPA at age 11 among girls (P < 0.05). Categorical data analysis also showed that the odds ratio (OR) of being in the lowest quartile relative to the highest quartile of IW-MVPA at age 11 for boys and girls with high %BF at age 8 were approximately four times higher than the OR for those with low %BF at age 8 (OR = 4.38, 95% CI = 1.05-18.24 for boys; OR = 4.48, 95% CI = 1.35-14.85 for girls). This study suggests that adiposity level may be a determinant of PA behavior. Specific intervention strategies for overweight children may be needed to promote PA.
Details
- Title: Subtitle
- Effects of adiposity on physical activity in childhood: Iowa Bone Development Study
- Creators
- Soyang Kwon - Department of Health Studies, University of Chicago, Chicago, IL, USAKathleen F JanzTrudy L BurnsSteven M Levy
- Resource Type
- Journal article
- Publication Details
- Medicine and science in sports and exercise, Vol.43(3), pp.443-448
- Publisher
- United States
- DOI
- 10.1249/MSS.0b013e3181ef3b0a
- PMID
- 20631643
- PMCID
- PMC3130563
- ISSN
- 0195-9131
- eISSN
- 1530-0315
- Grant note
- M01-RR00059 / NCRR NIH HHS M01 RR000059 / NCRR NIH HHS R01 DE009551 / NIDCR NIH HHS R01-DE12101 / NIDCR NIH HHS R01-DE09551 / NIDCR NIH HHS R01 DE012101 / NIDCR NIH HHS R01 DE012101-13 / NIDCR NIH HHS
- Language
- English
- Date published
- 03/2011
- Academic Unit
- Preventive and Community Dentistry; Epidemiology; Health and Human Physiology
- Record Identifier
- 9983917676902771
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