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AJPH First Look, published online ahead of print Jul 27, 2006
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American Journal of Public Health, 10.2105/AJPH.2005.080580

Research and Practice

Television Viewing and Pedometer-Determined Physical Activity Among Multiethnic Residents of Low-Income Housing

Gary G. Bennett 1*, Kathleen Y. Wolin 2, K. Viswanath 1, Sandy Askew 3, Elaine Puleo 4, Karen M. Emmons 3

1 Harvard School of Public Health & Dana-Farber Cancer Institute
2 Northwestern University Feinberg School of Medicine
3 Dana-Farber Cancer Institute
4 University of Massachusetts Amherst

* To whom correspondence should be addressed. E-mail: gbennett{at}hsph.harvard.edu.


  Abstract

Objectives. We evaluated the association between television viewing and pedometer-determined physical activity among predominantly racial/ethnic minority residents of low-income housing in metropolitan Boston in 2005.

Methods.We used mixed models to analyze the association between reported hours of television viewing and pedometer-determined steps per day among 486 adults. We also examined whether television viewing was associated with the achievement of 10000 steps per day.

Results. There was a mean 3.6 hours of average daily television watching. In multivariable analyses, each hour of television viewing on an average day was associated with 144 (95% confidence interval [CI]=-276, -12) fewer steps per day and a decreased likelihood of accumulating 10 000 steps per day (odds ratio [OR]=0.84; 95% CI=0.71, 0.99). Weekday and weekend television viewing were each also associated with fewer steps per day.

Conclusions. Average daily television viewing was associated with reductions in total pedometer-determined physical activity levels (approximately 520 steps per day) in this lower-income sample. As part of a comprehensive physical activity promotion plan, recommendations to reduce television viewing should be made.

Key Words: Exercise/Physical Activity, Obesity, Overweight, Underweight, Prevention, Socioeconomic Factors, Urban Health




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Response to : GG Bennett et al.
Larry G. Morton II
AJPH Online, 23 Oct 2006 [Full text]

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