Purpose: This study was designed to determine the effects of health coaching and mediating variables on quantitative aspect of health in low-incomehypertensive people. Methods: The experimental group for the current study consisted of 21 clients who received health coaching services,and the control group consisted of 22 clients who received home-visiting nursing services. Two groups received health coaching or homevisitingnursing services once a week for 8 weeks. The evaluation variables were self-efficacy, nutrition management, health behaviors, self-ratedhealth, and quality of life. Results: The results revealed that the level of nutrition management was significantly higher in the experimental groupthan the control group (F=10.33, p=.005). Conclusion: These results confirm that health coaching is a useful strategy that encourages clients tocontinuously maintain their own health behaviors. Thus, the findings of the current study provide useful data for establishing measures for thehealth management of those afflicted with chronic disease, such as hypertension. Furthermore, health coaching may be developed into usefulintervention strategies for dealing with chronic diseases and improving home-visiting nursing.