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Reliability and validity of a brief physical activity-assessment for use by family doctors.

Marshall, Alison L., Smith, Ben J., & Bauman, Adrian (2005) Reliability and validity of a brief physical activity-assessment for use by family doctors. British Journal of Sports Medicine, 39, pp. 294-297.

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Abstract

Objective: To evaluate the reliability and validity of a brief physical activity assessment tool suitable for doctors to use to identify inactive patients in the primary care setting. Methods: Volunteer family doctors (n = 8) screened consenting patients (n = 75) for physical activity participation using a brief physical activity assessment tool. Inter-rater reliability was assessed within one week (n = 71). Validity was assessed against an objective physical activity monitor (computer science and applications accelerometer; n = 42). Results: The brief physical activity assessment tool produced repeatable estimates of ‘‘sufficient total physical activity’’, correctly classifying over 76% of cases (k 0.53, 95% confidence interval (CI) 0.33 to 0.72). The validity coefficient was reasonable (k 0.40, 95% CI 0.12 to 0.69), with good percentage agreement (71%). Conclusions: The brief physical activity assessment tool is a reliable instrument, with validity similar to that of more detailed self report measures of physical activity. It is a tool that can be used efficiently in routine primary healthcare services to identify insufficiently active patients who may need physical activity advice.

Impact and interest:

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48 citations in Web of Science®

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ID Code: 11993
Item Type: Journal Article
DOI: 10.1136/bjsm.2004.013771
ISSN: 0306-3674
Subjects: Australian and New Zealand Standard Research Classification > MEDICAL AND HEALTH SCIENCES (110000) > PUBLIC HEALTH AND HEALTH SERVICES (111700)
Divisions: Current > QUT Faculties and Divisions > Faculty of Health
Current > Institutes > Institute of Health and Biomedical Innovation
Copyright Owner: Copyright 2005 BMJ Publishing Group
Copyright Statement: Reproduced in accordance with the copyright policy of the publisher.
Deposited On: 16 Jan 2008
Last Modified: 29 Feb 2012 23:29

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