Abstract：
BACKGROUND:Sedentary behavior has been associated with deleterious cardiometabolic health indicators in adults, but very little research has examined this relationship in youth. PURPOSE:To examine the association between the duration and type of sedentary screen behavior with diabetes risk factors (fasting glucose, insulin, homeostasis model-insulin resistance [HOMA-IR], 2-hour postload glucose, hemoglobin A1c) in a sample of overweight and obese adolescents. METHODS:A cross-sectional study of 307 overweight or obese adolescents aged 14-18 years (90 boys, 217 girls) assessed at baseline of a lifestyle intervention for weight control conducted from 2005 to 2010. Sedentary screen behaviors, defined as hours per day spent watching TV, playing seated video games, recreational computer use, and total screen time were measured by self-report. Data were analyzed using linear regression analyses in 2012. RESULTS:TV viewing was the only type of sedentary screen behavior associated with elevated diabetes risk factors before and after adjustment for confounders. Specifically, TV viewing remained positively associated with fasting insulin (adjusted r=0.11, β=0.10, p=0.048) and HOMA-IR (adjusted r=0.11, β=0.10, p=0.05) after adjustment for age, gender, waist-to-hip ratio, caloric intake, percentage of intake in carbohydrates, physical activity duration, and physical activity intensity. CONCLUSIONS:TV watching may be independently associated with an increase in diabetes risk factors in a high-risk sample of overweight and obese adolescents. These findings provide support for interventions designed to reduce time spent watching TV as a possible means to attenuating diabetes risk factors in this high-risk population.
journal_name
Am J Prev Medjournal_title
American journal of preventive medicineauthors
Goldfield GS,Saunders TJ,Kenny GP,Hadjiyannakis S,Phillips P,Alberga AS,Tremblay MS,Sigal RJdoi
10.1016/j.amepre.2012.11.040subject
Has Abstractpub_date
2013-04-01 00:00:00pages
S364-70issue
4 Suppl 4eissn
0749-3797issn
1873-2607pii
S0749-3797(13)00019-6journal_volume
44pub_type
杂志文章abstract：BACKGROUND:The central evaluative question about a national HIV prevention program is whether that program affects HIV incidence. Numerous factors may influence incidence, including public investment in HIV prevention. Few studies, however, have examined the relationship between public investment and the HIV epidemic i...
journal_title：American journal of preventive medicine
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journal_title：American journal of preventive medicine
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journal_title：American journal of preventive medicine
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journal_title：American journal of preventive medicine
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journal_title：American journal of preventive medicine
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pub_type： 临床试验,杂志文章,随机对照试验
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journal_title：American journal of preventive medicine
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journal_title：American journal of preventive medicine
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