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Recording Activity in Older Women With TriTrac

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Objective: To examine the association of TriTrac recorded activity with commonly used measures of activity and associated constructs. Method: TriTrac scores were correlated with 3 direct self-report measures, 4 indirect activity measures, and 5 constructs commonly associated with activity. Results: A moderate correlation was found between TriTrac and the main criterion measure. Subjects wore the TriTrac units 78% of the requested days and underreported time not wearing the TriTrac. Conclusion: Accelerometer data must be interpreted with caution, given that subjects will likely underreport time not wearing the devices. Researchers should provide for the possibility of damaged TriTrac devices.

Document Type: Research Article


Affiliations: 1: School of Nursing, University of Missouri-Columbia, Columbia, MO. 2: Health Related Professions-Physical Therapy, University of Missouri-Columbia, Columbia, MO. 3: Department of Family & Community Medicine, University of Missouri-Columbia, Columbia, MO.

Publication date: September 1, 2000

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  • The American Journal of Health Behavior seeks to improve the quality of life through multidisciplinary health efforts in fostering a better understanding of the multidimensional nature of both individuals and social systems as they relate to health behaviors.

    The Journal aims to provide a comprehensive understanding of the impact of personal attributes, personality characteristics, behavior patterns, social structure, and processes on health maintenance, health restoration, and health improvement; to disseminate knowledge of holistic, multidisciplinary approaches to designing and implementing effective health programs; and to showcase health behavior analysis skills that have been proven to affect health improvement and recovery.

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