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Curr Hypertens Rev. 2019 Mar 18. doi: 10.2174/1573402115666190318125006. [Epub ahead of print]

Dietary Adherence, Self-Efficacy, and Health Behavior Change of WASHOKU-modified DASH Diet: A Sub-analysis of the DASH-JUMP Study.

Author information

1
Department of Molecular Physiology and Medical Bioregulation, Yamaguchi University Graduate School of Medicine, Ube. Japan.
2
Faculty of Nursing Science, Yamanashi Prefectural University, Kouhu. Japan.
3
Center for Integrated Medical Research, Hiroshima University Hospital, Hiroshima. Japan.
4
Department of Food Science and Biotechnology, Faculty of Agriculture, Kagoshima University, Kagoshima. Jordan.
5
Central Research Institute, Maruha Nichiro Corporation, Tsukuba. Japan.

Abstract

BACKGROUND:

We previously reported the nutritional characteristics and effects of the DASH-JUMP diet, which is a WASHOKU-modified DASH diet, in Japanese participants with untreated high-normal blood pressure or stage 1 hypertension. The dietary adherence of the DASH diet in Japanese participants has never been evaluated before.

OBJECTIVE:

We aimed to assess the relationships between dietary adherence, self-efficacy, and health behavior change among study participants who received the DASH-JUMP diet by home delivery.

METHODS:

Participants were treated with the DASH-JUMP diet for 2 months and consumed their usual diets for the next 4 months. We conducted surveys using the stage of behavior change model questionnaire and the modified perceived health competence scale Japanese version questionnaire at baseline and 1, 2, 3, and 6 months to assess dietary adherence.

RESULTS:

Forty-three participants (25 men, 18 women; mean age 53.6 ± 8.2 years) returned completed questionnaires, which we analyzed. Health behavior change was motivated by previous behavioral changes and improved biomarkers. The improvement and maintenance of self-efficacy were deeply related to health behavior change and previous self-efficacy. The experience of the DASH-JUMP study for participants included three processes to improve lifestyle habits: Phase 1, reflecting on previous lifestyle habits; Phase 2, learning through new experiences and the acquisition of knowledge; and Phase 3, desiring to maintain their own health.

CONCLUSION:

It indicated that the DASH-JUMP diet significantly increased self-efficacy and promoted health behavior change.

KEYWORDS:

DASH-JUMP; WASHOKU.; dietary adherence; health behavior change; self-efficacy

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