the impact of intervention based on protection motivation theory on treatment adherence in patients with ischemic heart disease

Background: patients with ischemic heart disease (ihd) gradually reduce their follow-up treatment due to the vulnerable physical condition and high involvement with the disease-related treatment process. the purpose of this research was to investigate the effect of intervention based on the protection motivation theory (pmt) on treatment adherence in patients with ihd.methods: this quasi-experimental research used a pretest-posttest design with a control group. the statistical population included all patients with ihd referred to the payambar azam hospital in bandar abbas, iran for more than once between march 2019 and may 2020. a total of 16 patients were selected through the matched targeted sampling and randomly assigned into two equal groups of experimental and control (n = 8 each). the test group received an intervention based on the pmt in six 90-minute sessions within 45 days. we used the modanloo treatment adherence questionnaire (taq), and the data were analyzed using the analysis of covariance (ancova) in the spss23 statistical software.results: the results of ancova showed that the intervention based on the pmt significantly increased the treatment adherence and its subscales in patients with ihd (p < 0.001).conclusion: intervention based on the pmt can be used as an effective intervention to increase treatment adherence in patients with ihd, depending on proper nutrition training, self-care skills, awareness-raising, and relaxation exercises.