Loading...
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 Shimomitsu, Teruichi
Inoue, Shigeru
Sugiyama, Takemi
Takamiya, Tomoko
Oka, Koichiro
Owen, Neville
Shimomitsu, Teruichi
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/m2) 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.
Keywords
sedentary behavior, cardiovascular risk factor, obesity
Date
2012
Type
Journal article
Journal
Journal of Epidemiology
Book
Volume
22
Issue
1
Page Range
50-56
Article Number
ACU Department
Collections
Relation URI
Source URL
Event URL
Open Access Status
License
File Access
Controlled