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Please use this identifier to cite or link to this item: http://hdl.handle.net/10481/33451

Title: Excessive TV viewing and cardiovascular disease risk factors in adolescents. The AVENA cross-sectional study
Authors: Martínez-Gómez, David
Rey-López, Juan P.
Chillón, Palma
Gómez-Martínez, Sonia
Vicente-Rodríguez, Germán
Martín-Matillas, Miguel
García-Fuentes, Miguel
Delgado Fernández, Manuel
Moreno, Luis A.
Veiga, Óscar
Eisenmann, Joey C.
Marcos, Ascensión
Avena Study Group
Issue Date: 2010
Abstract: Background: Excessive television (TV) viewing might play an important role in the development of cardiovascular disease (CVD). The aim of this study was to examine the independent associations between TV viewing and CVD risk factors in adolescents. Methods: A sample of 425 adolescents, aged 13- to 18.5-year-old, was included in this study. Body mass index (BMI), waist circumference (WC), glucose, total cholesterol, triglycerides, HDL-cholesterol, LDL-cholesterol, apolipoprotein (apo) A-1, apo B-100, and lipoprotein(a) levels were determined. A composite CVD risk score was computed based on age-, sex-, sexual maturation- and race-standardized triglycerides, HDL-cholesterol, LDL-cholesterol and glucose. TV viewing was self-reported. Results: Two hundred and twenty-five adolescents (53%) who spent >3 hrs/day watching TV were considered as the "high TV viewing" group. Ninety-nine adolescents (23%) from the total sample were classified as overweight according to International age- and sex-specific BMI values. The high TV viewing group had significantly less favorable values of HDL-cholesterol, glucose, apo A1 and CVD score, independent of age, sex, sexual maturation, race and weight status. There was a significant interaction effect of TV viewing × weight status (P = 0.002) on WC, and the negative influence of TV viewing on WC persisted in the overweight group (P = 0.031) but was attenuated in non-overweight adolescents (P > 0.05). Conclusion: Excessive TV viewing seems to be related to an unfavorable CVD risk factors profile in adolescence. Reducing TV viewing in overweight adolescents might be beneficial to decrease abdominal body fat.
Sponsorship: The AVENA Study was supported by the Spanish Ministry of Health, FIS (00/0015) and grants from Panrico S.A., Madaus S.A. and Procter & Gamble S.A. DMG was supported by a grant from the Spanish Ministry of Education and Science (AP2006-02464). JPRL, GVR, MGF and LAM were also supported by a grant from the Spanish Ministry of Health: Maternal, Child Health and Development Network (number RD08/0072).
Publisher: Biomed Central
Keywords: Cardiovascular disease
TV
Adolescents
Abdominal body fat
URI: http://hdl.handle.net/10481/33451
ISSN: 1471-2458
Citation: Martínez-Gómez, D.; et al. Excessive TV viewing and cardiovascular disease risk factors in adolescents. The AVENA cross-sectional study. BMC Public Health, 10: 274 (2010). [http://hdl.handle.net/10481/33451]
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