A comparison of subjective and objective measures of physical activity and fitness in identifying associations with cardiometabolic risk factors

Schmidt, Michael D., Cleland, Verity J., Thomson, Russell J., Dwyer, Terence and Venn, Alison J. 2008, A comparison of subjective and objective measures of physical activity and fitness in identifying associations with cardiometabolic risk factors, Annals of epidemiology, vol. 18, no. 5, pp. 378-386.

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Title A comparison of subjective and objective measures of physical activity and fitness in identifying associations with cardiometabolic risk factors
Author(s) Schmidt, Michael D.
Cleland, Verity J.
Thomson, Russell J.
Dwyer, Terence
Venn, Alison J.
Journal name Annals of epidemiology
Volume number 18
Issue number 5
Start page 378
End page 386
Publisher Elsevier Inc.
Place of publication Amsterdam, The Netherlands
Publication date 2008-05
ISSN 1047-2797
1873-2585
Keyword(s) epidemiologic measurements
questionnaires
walking
physical fitness
Summary Purpose
To compare the ability of alternative measures of physical activity and fitness to quantify associations with health outcomes.

Methods
Associations between a range of subjective and objective physical activity and fitness measures and cardiometabolic risk factors were examined using data from 1,631 Australians aged 26–36 years. Anthropometry, fitness, blood pressure, and fasting blood glucose, insulin, and lipids were measured at study clinics. Participants completed the International Physical Activity Questionnaire (IPAQ) and 7-day pedometer diaries; they also reported sedentary behavior (sitting, television viewing).

Results
In men and women, associations were strongest for fitness, with those in the highest (vs. lowest) fitness quarter having a 75% to 80% lower prevalence of two or more primary risk factors (waist circumference, high-density lipoprotein cholesterol, and insulin resistance). In men, a 60% to 70% reduced prevalence of two or more risk factors was observed across extreme quarters of IPAQ leisure, IPAQ vigorous, sitting duration, and pedometer measures. Similar reductions in prevalence were observed only across extreme quarters of pedometer activity and television viewing in women.

Conclusions
Associations between alternative measures and cardiometabolic risk were relatively independent, suggesting that a range of physical activity and fitness measures may be needed to most accurately quantify associations between physical activity and health.

Language eng
Field of Research 111706 Epidemiology
Socio Economic Objective 920205 Health Education and Promotion
HERDC Research category C1 Refereed article in a scholarly journal
HERDC collection year 2008
Copyright notice ©2008, Elsevier Inc.
Persistent URL http://hdl.handle.net/10536/DRO/DU:30017850

Document type: Journal Article
Collection: School of Exercise and Nutrition Sciences
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