Journal List > J Korean Acad Community Health Nurs > v.22(3) > 1058229

Kim: The Development and Effects of a Medication Adherence Intervention Program for Hypertensive Patients

Abstract

Purpose

This study was to estimate the effectiveness of an intervention program using the trans-theoretical model on the stages of change, the process of change, decisional balance, self-efficacy, the levels of medication adherence, and blood pressure difference.

Methods

A similar experiment was conducted using a nonequivalent control group pre- and post-test design. The study subjects were 108 hypertensive patients. The program was administered to the experimental group while educational materials were given to the control group. Descriptive analysis, 2-test, t-test, and repeated measures ANOVA were used with SPSS 17.0 to analyze collected data.

Results

After treatment with this program, the experimental group showed stage of change (χ2=52.917, p<.001), cognitive (F=13,528, p<.001), behavioral process of change (F=10.808, p<.001), benefits (F=5.569, p=.012), loss of medication adherence (F=15.661, p<.001), self-efficacy (F=5.407, p=.011), levels of medication adherence (F=51.442, p<.001).

Conclusion

There was a significant improvement in the experimental group who participated in the TTM medication adherence intervention program. Given that this intervention program motivated and stimulated hypertensive patients to adhere to the prescribed medications, the TTM medication adherence intervention program is expected to be an effective and practical intervention method for health improvement.

Figures and Tables

Table 1
Intervention Strategies in Stage of Change
jkachn-22-342-i001

Basic Model of Prochaska, DiClem.ent, & Norcross (1992).

Table 2
Variables Characteristics between the Two Groups
jkachn-22-342-i002

Exp.=experimental group; Con.=control group.

Table 3
Homogeneity Test for Medication Adherence related Characteristics between the Two Groups
jkachn-22-342-i003

Exp.=experimental group; Cont.=control group.

Table 4
Change Stage between the Two Groups in the before and after Intervention
jkachn-22-342-i004

Exp.=experimental group; Cont.=control group.

Table 5
Posttest Score between the Two Groups for Processes of Change, Decisional Balance, Self-efficacy, Levels of Medication Adherence, Blood Pressure (N=108)
jkachn-22-342-i005

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