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Relationships between psychosocial f...

Tovar, Elizabeth Gressle,

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Relationships between psychosocial factors and adherence to diet and exercise in adults with type 2 diabetes: A test of a theoretical model /

Record Type:	Electronic resources : Monograph/item
Title/Author:	Relationships between psychosocial factors and adherence to diet and exercise in adults with type 2 diabetes: A test of a theoretical model // Elizabeth Gressle Tovar.
Author:	Tovar, Elizabeth Gressle,
Description:	1 electronic resource (278 pages)
Notes:	Source: Dissertations Abstracts International, Volume: 71-01, Section: B.
Contained By:	Dissertations Abstracts International71-01B.
Subject:	Nursing. -
Online resource:	https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=3360566
ISBN:	9781109182569

Relationships between psychosocial factors and adherence to diet and exercise in adults with type 2 diabetes: A test of a theoretical model /
Tovar, Elizabeth Gressle,

Relationships between psychosocial factors and adherence to diet and exercise in adults with type 2 diabetes: A test of a theoretical model /Elizabeth Gressle Tovar. - 1 electronic resource (278 pages)

Source: Dissertations Abstracts International, Volume: 71-01, Section: B.

Introduction. Cardiovascular disease (CVD) is the leading cause of premature death among people with diabetes. Diet and exercise adherence are important diabetes self management behaviors that can reduce CVD risk; unfortunately, adherence rates are low among diabetics. Improved understanding of psychosocial factors related to diet and exercise adherence among adults with type 2 diabetes can improve strategies to reduce CVD morbidity and mortality in this population. Purpose. (1) Evaluate psychometrics of the Health Beliefs related to Cardiovascular Disease scale (HBCVD) which measures perceived susceptibility to and severity of heart attack or stroke and perceived benefits of and barriers to diet and exercise; (2) Explore relationships between selected bio-psychosocial factors and diet and exercise adherence; and (3) Evaluate the ability of a theoretical model integrating the Health Belief Model (HBM) and Stages of Change Model (SOC) to explain diet and exercise adherence. Methods. The study design was a descriptive correlational cross section using a convenience sample of 212 adults with type 2 diabetes who completed a series of questionnaires measuring study variables. Outcome variables measured were diet and exercise adherence scores. Predictor/independent variables included knowledge related to CVD risk, cues to action, health beliefs, stage of change, social support, depression, comorbidity, diabetes duration, and socioeconomic status. Relationships among model variables were explored using analysis of variance and simple and multiple regression techniques. Results. The HBCVD demonstrated evidence of validity and reliability, although an improved barriers subscale is recommended. The theoretical model was not supported, although significant paths between model variables were identified. The best model to predict diet included diet stage, susceptibility, self efficacy, social support, and age. The best model to predict exercise included exercise stage, self efficacy, and social support. Models including HBM and SOC provided greater explanatory power for diet and exercise adherence than either model alone. Susceptibility, barriers, and self efficacy varied significantly across stages of change. Significant group differences were found among model variables. Participants with depressive symptoms and the least education had lower diet and exercise adherence scores. Younger age and unemployment were also associated with lower diet adherence.

English

ISBN: 9781109182569Subjects--Topical Terms:

528444
Nursing.
Subjects--Index Terms:

Adherence

Relationships between psychosocial factors and adherence to diet and exercise in adults with type 2 diabetes: A test of a theoretical model /
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245 1 0 $a Relationships between psychosocial factors and adherence to diet and exercise in adults with type 2 diabetes: A test of a theoretical model / $c Elizabeth Gressle Tovar.
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500 $a Source: Dissertations Abstracts International, Volume: 71-01, Section: B.
500 $a Publisher info.: Dissertation/Thesis.
500 $a Advisors: Clark, Michele.
502 $b Ph.D. $c The University of Texas Medical Branch Graduate School of Biomedical Sciences $d 2007.
520 $a Introduction. Cardiovascular disease (CVD) is the leading cause of premature death among people with diabetes. Diet and exercise adherence are important diabetes self management behaviors that can reduce CVD risk; unfortunately, adherence rates are low among diabetics. Improved understanding of psychosocial factors related to diet and exercise adherence among adults with type 2 diabetes can improve strategies to reduce CVD morbidity and mortality in this population. Purpose. (1) Evaluate psychometrics of the Health Beliefs related to Cardiovascular Disease scale (HBCVD) which measures perceived susceptibility to and severity of heart attack or stroke and perceived benefits of and barriers to diet and exercise; (2) Explore relationships between selected bio-psychosocial factors and diet and exercise adherence; and (3) Evaluate the ability of a theoretical model integrating the Health Belief Model (HBM) and Stages of Change Model (SOC) to explain diet and exercise adherence. Methods. The study design was a descriptive correlational cross section using a convenience sample of 212 adults with type 2 diabetes who completed a series of questionnaires measuring study variables. Outcome variables measured were diet and exercise adherence scores. Predictor/independent variables included knowledge related to CVD risk, cues to action, health beliefs, stage of change, social support, depression, comorbidity, diabetes duration, and socioeconomic status. Relationships among model variables were explored using analysis of variance and simple and multiple regression techniques. Results. The HBCVD demonstrated evidence of validity and reliability, although an improved barriers subscale is recommended. The theoretical model was not supported, although significant paths between model variables were identified. The best model to predict diet included diet stage, susceptibility, self efficacy, social support, and age. The best model to predict exercise included exercise stage, self efficacy, and social support. Models including HBM and SOC provided greater explanatory power for diet and exercise adherence than either model alone. Susceptibility, barriers, and self efficacy varied significantly across stages of change. Significant group differences were found among model variables. Participants with depressive symptoms and the least education had lower diet and exercise adherence scores. Younger age and unemployment were also associated with lower diet adherence.
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650 4 $a Social psychology. $3 520219
650 4 $a Risk factors. $3 3543864
650 4 $a Exercise. $3 532868
650 4 $a Diet. $3 626002
650 4 $a Diabetes. $3 544344
650 4 $a Models. $3 3435308
653 $a Adherence
653 $a Cardiovascular disease
653 $a Diabetes
653 $a Diet
653 $a Exercise
653 $a Health belief model
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710 2 $a The University of Texas Medical Branch Graduate School of Biomedical Sciences. $e degree granting institution. $3 3830575
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792 $a 2007
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