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Permanent link (DOI): https://doi.org/10.7939/R3H03N

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An examination of potential influences on the success of prediabetes service provision Open Access

Descriptions

Other title
Subject/Keyword
Physical Activity
Service Provision
Social Cognitive Theory
Health-related Quality of Life
Nutritional Intake
Grounded Theory
Prediabetes
Type of item
Thesis
Degree grantor
University of Alberta
Author or creator
Taylor, Lorian
Supervisor and department
Spence, John (Faculty of Physical Education and Recreation)
Raine, Kim (Center for Health Promotion Studies)
Examining committee member and department
Dunstan, David (School of Exercise & Nutrition Sciences)
Bell, Rhonda (Agricultural, Food and Nutritional Science)
Holt, Nicholas, (Physical Education and Recreation)
Plotnikoff, Ronald (Faculty of Physical Education and Recreation)
Department
Faculty of Physical Education and Recreation
Specialization

Date accepted
2010-08-31T13:46:30Z
Graduation date
2010-11
Degree
Doctor of Philosophy
Degree level
Doctoral
Abstract
Introduction: Several national trials have demonstrated the efficacy of lifestyle interventions on decreasing the incidence of type 2 diabetes in adults with prediabetes. Behavior change pertaining to physical activity (PA) and diet were central to these lifestyle interventions; however it is likely a majority of adults with prediabetes are not currently meeting public health guidelines for PA and dietary intake. Little information is available on different influences of behavior central to prediabetes treatment. Given these findings, further investigation into potential influences on the efficacy of prediabetes service provision is warranted. Purpose: This dissertation aimed to explore prediabetes service provision to identify potential influences on PA and dietary intake in adults with prediabetes. Methods: The first study used Grounded Theory methodology to obtain opinions on necessary components of an optimal diabetes prevention program from health professionals’ (n=20) and adults with, or at high risk of, prediabetes (n=12). The second, third, and fourth studies involved individuals with prediabetes (N=232) in Northern Alberta, Canada. Participants completed a mailed survey assessing various demographic, health and behavior influences in August-September, 2008. Results: Data from Study 1 identified four influences on behavior change in adults with prediabetes: service provision, knowledge or confusion, motivational influences, and goal-setting. Potential strategies to increase effectiveness of prediabetes programs were also identified. In Study 2, individuals with prediabetes achieving PA guidelines (38%) reported higher physical and mental health-related quality of life compared to those not meeting PA guidelines. In Study 3, a number of preferences for PA and PA programming were identified. Activity status, health, and demographic variables all demonstrated significant influence on different PA preference variables. In Study 4, behavior-specific social cognitive theory constructs including self-efficacy, outcome expectations, and goal formation demonstrated significant associations with each other and PA, fat, and fibre intake. Conclusions: Evidence suggests it is possible to prevent or delay the progression of prediabetes to diabetes with small changes in body weight, physical activity and dietary intake. The results reported in this dissertation identified a number of factors that may influence potential success of a prediabetes program to promote behavior change and increase the public health impact of prediabetes prevention programs.
Language
English
DOI
doi:10.7939/R3H03N
Rights
License granted by Lorian Taylor (lmtaylor@ualberta.ca) on 2010-08-30T16:28:52Z (GMT): Permission is hereby granted to the University of Alberta Libraries to reproduce single copies of this thesis and to lend or sell such copies for private, scholarly or scientific research purposes only. Where the thesis is converted to, or otherwise made available in digital form, the University of Alberta will advise potential users of the thesis of the above terms. The author reserves all other publication and other rights in association with the copyright in the thesis, and except as herein provided, neither the thesis nor any substantial portion thereof may be printed or otherwise reproduced in any material form whatsoever without the author's prior written permission.
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