PURPOSE This study was to ascertain whether there are differences in health care utilization and expenditure for Type I Medical Aid Beneficiaries before and after applying Copayment. METHODS This study was one-group pretest posttest design study using secondary data analysis. Data for pretest group were collected from claims data of the Korea National Health Insurance Corporation and data for posttest group were collected through door to-door interviews using a structured questionnaire. A total of 1,364 subjects were sampled systematically from medical aid beneficiaries who had applied for copayment during the period from December 12, 2007 to September 25, 2008. RESULTS There was no negative effect of copayment on accessibility to medical services, medication adherence (p=.94), and quality of life (p=.25). Some of the subjects' health behaviors even increased preferably after applying for copayment including flu prevention (p<.001), health care examination (p=.035), and cancer screening (p=.002). However, significant suppressive effects of copayment were found on outpatient hospital visiting days (p<.001) and outpatient medical expenditure (p<.001). CONCLUSION Copayment does not seem to be a great influencing factor on beneficiaries'accessibility to medical services and their health behavior even though it has suppressive effects on outpatients' use of health care.
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PURPOSE The purpose of this study is to examine factors influencing medication adherence in patients with hypertension. METHODS This study carried out a secondary analysis of data from the 2008 Korean National Health and Nutrition Examination Survey (KNHANES). Stratified sampling was used to select a participant sample that was representative of patients with hypertension throughout the country. Using the SPSS/WIN 18.0 program, data were analyzed using descriptive statistics, chi2 test, t-test, and logistic regression. RESULTS Of the patients with hypertension, 8.8% had showed non-adherence to medication. Medication adherence was associated with age, spouse, Medicare insurance, number of other diseases, and current smoking status. The cases with older age, a spouse, Medicare insurance, higher number of other diseases, and no current smoking status showed significantly high medication adherence. CONCLUSION Nursing interventions and further studies are needed to achieve high levels of medication adherence based on factors influencing medication adherence such as age, spouse, Medicare insurance, number of other disease, and current smoking status.
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PURPOSE The purpose of this study is to identify factors associated with the stages of change in medication adherence in patients with hypertension. METHODS Participants were 323 patients with hypertension. Sociodemographic/medication-related characteristics, stages of change, processes of change, self efficacy and decisional balance were self-administered. RESULTS Stages of change were significantly different according to gender, age, job and living arrangement. A multinominal logistic regression analysis has revealed that gender, age, living arrangement, self-liberation, and self-efficacy were significantly associated with the precontemplation stage. Age and self-liberation were significantly associated with the contemplation stage. Gender, age, living arrangement, and self-liberation were significantly associated with the preparation stage. Gender and helping relationship were significantly associated with the action stage. This model explained 52.0% of the stages of change in medication adherence. CONCLUSION The tailored intervention strategies based on the stages of change may be needed for improving medication adherence in patients with hypertension.
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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 (chi2=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.
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PURPOSE This study is a descriptive research intended to clarify the medication status of community-dwelling elders and to identify factors affecting their medication adherence. METHODS Data were collected using questionnaires and interviews from 101 subjects who had taken prescribed drugs for at least 7 days sampled among elderly people using home care nursing at a general hospital in Seoul. RESULTS According to the results of this study, medication adherence measured by pill counting was 88.3% and that measured by self-reporting was 94.6%. There were statistically significant differences in medication adherence according to major disease (p=.006), the number of admissions (p=.032), the number of drugs (p=.051), the frequency of medication (p=.026), and depression (r=-.205). In addition, depression was found to be a significant variable explaining the medication adherence with explanatory power 3.8% (p=.035). CONCLUSION The presence of depression affected the elderly subjects' the medication adherence. Therefore, more concern and educational approaches are required to encourage elderly people to comply correctly with medication regimens particularly for elderly patients who have a malignant or long-lasting disease or who have to take multiple drugs or maintain a daily dosing frequency.
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