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Open Access Research article

Association between television viewing and the risk of metabolic syndrome in a community-based population

Pei-Chia Chang1, Tsai-Chung Li2345*, Ming-Tsang Wu6, Chiu-Shong Liu78, Chia-Ing Li2, Ching-Chu Chen78, Wen-Yuan Lin78, Shin-Yuh Yang3 and Cheng-Chieh Lin25789*

Author Affiliations

1 Administration Center, China Medical University Hospital, Taichung, Taiwan

2 Department of Medical Research, China Medical University Hospital, Taichung, Taiwan

3 Graduate Institute of Chinese Medicine Science, College of Chinese Medicine, China Medical University, Taichung, Taiwan

4 Biostatistics Center, China Medical University, Taichung, Taiwan

5 Institute of Health Care Administration, College of Health Science, Asia University, Taichung, Taiwan

6 Graduate Institute of Occupational Safety and Health, Kaohsiung Medical University, Taiwan

7 Department of Family Medicine, China Medical University Hospital, Taichung, Taiwan

8 Department of Family Medicine, College of Medicine, China Medical University, Taichung, Taiwan

9 School and Graduate Institute of Health Care Administration, College of Public Health, China Medical University, Taichung, Taiwan

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BMC Public Health 2008, 8:193  doi:10.1186/1471-2458-8-193

Published: 3 June 2008

Abstract

Background

As a result of metabolic syndrome becoming an important issue during recent decades, many studies have explored the risk factors contributing to its development. However, less attention has been paid to the risk associated with sedentary behavior, especially television viewing. This study examined the association between television viewing time and the risk of having metabolic syndrome in a population of Taiwanese subjects.

Methods

This community-based cross-sectional study included 2,353 subjects (1,144 men and 1,209 women) aged 40 and over from October, 2004 to September, 2005. Information about the time spent watching TV was obtained using a self-administered questionnaire. The definition of metabolic syndrome was according to the Third Report of the National Cholesterol Education Program's Adult Treatment Panel modified for Asians.

Results

Compared to subjects who viewed TV < 14 hr/week, those who viewed TV > 20 hr/week had a 1.50-fold (95% confidence intervals (CI): 1.10, 2.03) risk for men and a 1.93-fold (95% CI: 1.37, 2.71) risk for women of having metabolic syndrome, after adjusting for physical activity and other covariates. Stratifying by the three categories of total activity levels, TV viewing time > 20 hr/week was found to still hold a significant risk for having metabolic syndrome in the lowest of the three categories of total activity level for men and in all three categories of total activity level for women.

Conclusion

The findings suggest that TV viewing is an independent risk factor associated with metabolic syndrome in Taiwanese people.