KMID : 0371020070400030249
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Journal of Preventive Medicine and Public Health 2007 Volume.40 No. 3 p.249 ~ p.258
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Antihypertensive Drug Medication Adherence of People with Disabilities and its Affecting Factors in Korea
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Park Jong-Hyock
Lee Sang-Yi Park Jae-Hyun Shin Young-Soo
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Abstract
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Objectives: The aims of this study were to estimate the antihypertensive medication adherence in people with adisability and a history of taking antihypertensive medication, and to identify the factors affecting medicationadherence.
Methods: The National Health Insurance claims data were linked with the National Disability Registry. Peoplewith a disability, who received a prescription of antihypertensives, were identified from a total of 85,098cases. Cumulative medication adherence (CMA) was used as an indicator of medication adherence. A CMA > 80%was defined as appropriate medication adherence. Multiple logistic regression analysis was used to identify the factorsaffecting medication adherence.
Results: The average CMA in a total of 85,098 patients was 79.5%. The appropriate adherence (CMA > or =80%) rate was 54.5% and 20.5% of patients had a CMA < 50%. Multiple logistic regression analysis revealed that the probability of appropriate adherence decreased with decreasing number of prescription days per visit, increasing number of providers, the patients¡¯ residential area moving from urban to rural areas, and when patients have an internal organ disability, auditory impairment, mobility impairment.
Conclusions: The adherence to antihypertensive medication in people with a disability is influenced by various socio-economic, clinical and regional factors. In particular, the disabled who have locomotive and communication disabilities and internal organ impairments have a higher probability of under-adherence to antihypertensive medication adherence in Korea.
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KEYWORD
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Disabled persons, Hypertension, Antihypertensive agents, Patient compliance
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