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The effect of the behavior modification program Dietary Approaches to Stop Hypertension (DASH) on reducing the risk of hypertension among elderly patients in the rural community of Phayao, Thailand

Authors Seangpraw K, Auttama N, Tonchoy P, Panta P

Received 4 September 2018

Accepted for publication 14 November 2018

Published 31 January 2019 Volume 2019:12 Pages 109—118

DOI https://doi.org/10.2147/JMDH.S185569

Checked for plagiarism Yes

Review by Single-blind

Peer reviewers approved by Dr Colin Mak

Peer reviewer comments 2

Editor who approved publication: Dr Scott Fraser


Katekaew Seangpraw,1 Nisarat Auttama,1 Prakasit Tonchoy,1 Pitakpong Panta2

1School of Medicine, University of Phayao, Phayao 56000, Thailand; 2School of Nursing, University of Phayao, Phayao 56000, Thailand

Aim: The purpose of this study was to evaluate the effect of the Dietary Approaches to Stop Hypertension (DASH) program with self-efficacy on reducing the risk of hypertension among elderly patients in the rural community of Phayao Province in Northern Thailand.
Patients and methods: A quasi-experimental study was employed among elderly patients in the rural community of Phayao. Multistage random sampling was used to select a study area with similar characteristics. Ninety elderly participants were placed in the intervention group and 85 elderly participants from the same village were placed in the control group. The intervention group used the behavior modification guidelines of the DASH program with self-efficacy for 3 months, including 45-minute weekly group education meetings, 25-minute group activity training sessions, and a 15-minute individual checklist. A control group received no intervention. Data were collected by using self-administered questionnaires. The analyses included descriptive statistics, the Mann−Whitney U-test, and sample t-testing. Three different time periods were examined using repeated measures ANOVA.
Results: More than half of the participants (65.7%) were aged 60–69 years. The results from comparison of the intervention and control groups showed that the perceived severity of hypertension and self-efficacy had increased and preventive behaviors toward hypertension had improved in both groups. There were statistically significant differences after the intervention and at 3-month follow-up (P<0.001). After the intervention, the systolic blood pressure and diastolic blood pressure of the elderly people in the intervention group had decreased (P<0.001)
Conclusion: The behavior modification guidelines of the DASH program with self-efficacy, were effective in improving the mean score of perceived severity, self-efficacy, and preventive behaviors among elderly participants with a high risk of hypertension. Furthermore, the program was effective in lowering blood pressure and it may be useful in controlling stage 1 hypertension in elderly people.

Keywords: risk hypertension, behavior modification, DASH, elderly patients, self-efficacy, rural community



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