Cognitive predictors of physical activity behaviors among rural patients with type 2 diabetes: applicability of the Extended Theory of Reasoned Action (ETRA)
Received 20 December 2018
Accepted for publication 26 April 2019
Published 4 June 2019 Volume 2019:12 Pages 429—436
Checked for plagiarism Yes
Review by Single-blind
Peer reviewer comments 2
Editor who approved publication: Dr Scott Fraser
Ehsan Sarbazi,1 Fatemeh Moradi,2 Saber Ghaffari-Fam,3,4 Katayoon Mirzaeian,2 Towhid Babazadeh5
1Department of Epidemiology, Health Faculty, Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran; 2Department of Health, Urban Management, Senior Expert in Director General Office of Health, Tehran Municipality, Tehran, Iran; 3Road Traffic Injury Research Center, Tabriz University of Medical Sciences, Tabriz, Iran; 4School of Nursing of Miandoab City, Urmia University of Medical Sciences, Urmia, Iran; 5Department of Public Health, Sarab Faculty of Medical Sciences, Sarab, Iran
Background: This study aims to examine the cognitive-behavioral determinants of physical activity behaviors (PABs) of patients diagnosed with type 2 diabetes.
Subjects and methods: In this cross-sectional study, census sampling was employed to enroll 120 rural patients with type 2 diabetes in the Chalderan County in 2015. To collect data, a valid and reliable instrument, based on the Extended Theory of Reasoned Action (ETRA) constructs, was used. Data were analyzed by SPSS 21 software using descriptive and inferential statistical methods.
Results: Using the one-way ANOVA test, it was found that PABs had statistically significant correlation with all ETRA constructs except subjective norms (P=0.574). Knowledge (P=0.015), self-efficacy (P<0.001) and behavioral intention (P<0.001) had a significant association with PABs, respectively. Also, ETRA structures were able to reflect 41.0% of the behavioral changes. Among structures, knowledge (P=0.014), self-efficacy (P<0.001), and behavioral intention (P=0.020) were significant predictors of PABs (R2=0.414).
Conclusions: Health care providers may consider the ETRA an appropriate framework to design educational interventions aimed at improving PABs among rural patients with type 2 diabetes.
Keywords: diabetes mellitus, type 2, physical activity, self care
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