Television viewing time is associated with overweight/obesity among older adults, independent of meeting physical activity and health guidelines

Inoue, Shigeru, Sugiyama, Takemi, Takamiya, Tomoko, Oka, Koichiro, Owen, Neville and Shimomitsu, Teruichi (2012) Television viewing time is associated with overweight/obesity among older adults, independent of meeting physical activity and health guidelines. Journal of Epidemiology, 22 1: 50-56. doi:10.2188/jea.JE20110054

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Author Inoue, Shigeru
Sugiyama, Takemi
Takamiya, Tomoko
Oka, Koichiro
Owen, Neville
Shimomitsu, Teruichi
Title Television viewing time is associated with overweight/obesity among older adults, independent of meeting physical activity and health guidelines
Journal name Journal of Epidemiology   Check publisher's open access policy
ISSN 0917-5040
1349-9092
Publication date 2012-01-01
Year available 2011
Sub-type Article (original research)
DOI 10.2188/jea.JE20110054
Open Access Status DOI
Volume 22
Issue 1
Start page 50
End page 56
Total pages 7
Place of publication Fukuoka, Japan
Publisher Japan Epidemiological Association
Collection year 2013
Language eng
Formatted abstract
Background:
Previous studies have shown associations of sedentary behavior with cardiovascular risk, independent of moderate-to-vigorous physical activity (MVPA). However, few studies have focused on older adults. This study examined the joint associations of television (TV) viewing time and MVPA with overweight/ obesity among Japanese older adults.

Methods:
A population-based, cross-sectional mail survey was used to collect self-reported height, weight, time spent in TV viewing, and MVPA from 1806 older adults (age: 65-74 years, men: 51.1%). Participants were classified into 4 categories according to TV viewing time (dichotomized into high and low around the median) and MVPA level (dichotomized into sufficient and insufficient by the physical activity guideline level of ≥150 minutes/week). Odds ratios (ORs) for overweight/obesity (body mass index ≥25 kg/m 2) were calculated according to the 4 TV/MVPA categories, adjusting for potential confounders.

Results:
Of all participants, 20.1% were overweight/obese. The median TV viewing time (25th, 75th percentile) was 840 (420, 1400) minutes/week. As compared with the reference category (high TV/insufficient MVPA), the adjusted ORs (95% CI) of overweight/obesity were 0.93 (0.65, 1.34) for high TV/sufficient MVPA, 0.58 (0.37, 0.90) for low TV/insufficient MVPA, and 0.67 (0.47, 0.97) for low TV/sufficient MVPA.

Conclusions:
In this sample of older adults, spending less time watching TV, a predominant sedentary behavior, was associated with lower risk of being overweight or obese, independent of meeting physical activity guidelines. Further studies using prospective and/or intervention designs are warranted to confirm the presently observed effects of sedentary behavior, independent of physical activity, on the health of older adults.
Keyword Sedentary behavior
Cardiovascular risk factor
Obesity
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ
Additional Notes Published online 10 December 2011.

Document type: Journal Article
Sub-type: Article (original research)
Collections: Official 2013 Collection
School of Public Health Publications
 
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