Associations of television viewing time with excess body weight among urban and rural high school students in regional mainland China

Xu, Fei, Li, JieQua, Ware, Robert S. and Owen, Neville (2008) Associations of television viewing time with excess body weight among urban and rural high school students in regional mainland China. Public Health Nutrition, 11 9: 891-896. doi:10.1017/S1368980007001280


Author Xu, Fei
Li, JieQua
Ware, Robert S.
Owen, Neville
Title Associations of television viewing time with excess body weight among urban and rural high school students in regional mainland China
Journal name Public Health Nutrition   Check publisher's open access policy
ISSN 1368-9800
1475-2727
Publication date 2008-09
Year available 2007
Sub-type Article (original research)
DOI 10.1017/S1368980007001280
Volume 11
Issue 9
Start page 891
End page 896
Total pages 6
Editor Agneta Yngve
Place of publication United Kingdom
Publisher Cambridge University Press
Collection year 2008
Language eng
Subject C1
321299 Public Health and Health Services not elsewhere classified
730299 Public health not elsewhere classified
Abstract bjective To examine the relationship between television (TV) viewing and body mass index (BMI) among adolescents in a region of mainland China. Design Population-based cross-sectional study, conducted between September and November of 2004, on a sample of enrolled high-school students aged 12–18 years. Setting One hundred and sixty-eight classes randomly selected from both urban and rural areas and belonging to 15 senior and 41 junior high schools in Nanjing, China, with a regional population of 6·0 million. Subjects In total 6848 students participated; 47·7 % from urban and 52·3 % from rural areas; 49·0 % male and 51·0 % female. The response rate among eligible participants was 89·3 %. Results The proportion of overweight was 6·6 % according to the criteria of overweight recommended for Chinese adolescents. Boys than girls (8·9 % vs. 4·4 %) had higher odds of being overweight (odds ratio (OR) 2·12, 95 % confidence interval (CI) 1·74, 2·60), while the proportion of overweight was significantly lower among rural students than urban students (4·5 % vs. 8·9 %; OR 0·49, 95 % CI 0·40, 0·60). Those students who watched TV for more than 7 h/week had a 1·5 times greater odds of being overweight relative to their counterparts who watched TV for 7 h/week or less (adjusted OR 1·51, 95 % CI 1·24, 1·82). Furthermore, there was a positive linear relationship between TV viewing time and BMI, even after adjusting for age, gender, residence area, time spent in study, in sleeping and in physical activity, and monthly pocket money. Conclusions Viewing TV might increase the likelihood of being overweight for Chinese adolescents in China.
Keyword Television viewing
Physical activity
Overweight
High-school students
Adolescents
China
Q-Index Code C1
Q-Index Status Confirmed Code
Additional Notes Published online by Cambridge University Press 16 Nov 2007

 
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Created: Fri, 28 Mar 2008, 17:04:27 EST