Abdominal obesity, TV-viewing time and prospective declines in physical activity

Document Type

Journal Article

Publisher

Academic Press

Faculty

Faculty of Computing, Health and Science

School

ECU Health and Wellness Institute

RAS ID

12542

Comments

Lakerveld, J., Dunstan, D. , Bot, S., Salmon, J., Dekker, J., Nijpels, G., & Owen, N. (2011). Abdominal obesity, TV-viewing time and prospective declines in physical activity. Preventive Medicine, 53(n/a), 299-302. Available here

Abstract

Objective To examine the prospective associations of baseline abdominal obesity and TV-viewing time with five-year reductions in leisure-time physical activity level. Methods We used data from the Australian Diabetes, Obesity and Lifestyle Study (AusDiab), a nationally representative population-based cohort study with measures collected in 1999–2000 and 2004–2005. Abdominal obesity was determined by waist circumference and TV-viewing time and physical activity level were assessed using established interviewer-administered questionnaires. Results Among 2,191 men and 2,650 women aged ≥ 25 years, odds ratios (ORs) of 5-year reductions from sufficient to insufficient or no physical activity, and from insufficient to no physical activity were estimated with logistic regression. We adjusted for sociodemographic characteristics. The odds of reducing physical levels from baseline to the follow-up survey for obese men (34.2%) and women (38.1%), respectively were 1.40 (1.10–1.79) and 1.44 (1.16–1.80), compared to those with a normal waist circumference. Women, but not men, with higher levels of TV-viewing time had higher odds of reducing physical activity levels (8.6%; OR 1.46; 1.01–2.11), independent of abdominal obesity. Conclusions These findings suggest that abdominal obesity is associated with prospective reductions in physical activity level, and that high levels of TV-viewing time might have an additional adverse influence for women.

DOI

10.1016/j.ypmed.2011.07.012

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Link to publisher version (DOI)

10.1016/j.ypmed.2011.07.012