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Seo and Choi: A Predictive Model on Self Care Behavior for Patients with Type 2 Diabetes: Based on Self-Determination Theory
Original Article
Journal of Korean Academy of Nursing

Journal of Korean Academy of Nursing 2011; 41(4): 491-499.

Published online: 31 August 2011

DOI: https://doi.org/10.4040/jkan.2011.41.4.491

A Predictive Model on Self Care Behavior for Patients with Type 2 Diabetes: Based on Self-Determination Theory

Yeong Mi Seo1, Won Hee Choi2

1Full-time Lecturer, Department of Nursing, Dongseo University, Busan, Korea.

2Assistant Professor, Department of Nursing, Koje College, Geoje, Korea.

Address reprint requests to: Choi, Won Hee. Department of Nursing, Koje College, 654-1 Jangseungpo-dong, Geoje 656-701, Korea. Tel: +82-55-680-1570, Fax: +82-55-680-1517, daeam67@hanmail.net

Received 17 January 2011       Accepted 4 August 2011

© 2011 Korean Society of Nursing Science

Abstract

Purpose

The study was conducted to develop and test a hypothetical model which explains self-care behavior in patients with type 2 diabetes was established based on the Self-Determination Theory.

Methods

The participants were 218 patients with type 2 diabetes mellitus enrolled in an outpatient clinic of one endocrine center in Korea. The data were collected using questionnaires from April 5 through May 7, 2010. The descriptive and correlation statistics were analyzed using the SPSS/WIN 15.0 and the structural equation modeling procedure was performed using the AMOS 7.0 program.

Results

The results of this study showed that competence and autonomous motivation were the strong factors influencing self-care behavior in patients in this sample. Support from health provider for autonomy was a significant indirect factor on self-care behavior. These factors explained 64.9% of variance in the participants' self care behavior. The proposed model was concise and extensive in predicting self-care behavior of the participants.

Conclusion

Findings may provide useful assistance in developing effective nursing interventions for maintaining and promoting self-care behavior in patients with type 2 diabetes.

Keywords: Diabetes mellitus, Type 2, Self-care, Motivation

Figures and Tables

Figure 1
Hypothetical model.
X1=Information and options; X2=Nonjudgmental and positive feedback; Y1=Diet; Y2=Medication; Y3=Exercise; Y4=Competence; Y5=Diet and exercise; Y6=Medication and sugar check.
jkan-41-491-g001
Figure 2
Path diagram of the modified model.
X1=Information and options; X2=Nonjudgmental and positive feedback; Y1=Diet; Y2=Medication; Y3=Exercise; Y4=Competence; Y5=Diet and exercise; Y6=Medication and sugar check.
jkan-41-491-g002
Table 1
Correlations Matrix among Measurable Variables
jkan-41-491-i001

Y1-Y3=Self-care behavior (Y1=Diet, Y2=Medication, Y3=Exercise); Y4=Competence; Y5-Y6=Autonomous motivation (Y5=Diet and exercise, Y6=Medication and sugar); X1-X2=Support from health provider for autonomy (X1=Information and options, X2=Nonjudgmental and positive feedback).

Table 2
Model Fitness Index for Hypothetical and Modified Model
jkan-41-491-i002

GFI=Goodness of fit index; NFI=Normed fit index; TLI=Tucker-lewis index; RMSEA=Root mean square error of approximation.

Table 3
Estimates and Effects of Predictor Variables in Modified Mode
jkan-41-491-i003

CR=Critical ratio; SMC=Squared multiple correlation.

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