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[The Association Between Multimorbidity and Medication Non-Adherence in Elderly With Hypertension in Western China]

Zhi Li1, Yi-Pu Zhao1, Xiu-Ying Hu2

  • 1BSN, RN, Graduate Student, Faculty of Nursing, Sichuan University, Sichuan Province, PROC.

Insights

Elderly patients with hypertension and multiple chronic conditions are at higher risk of medication non-adherence. This study highlights the need for targeted interventions to improve adherence in this vulnerable population.

Area of Science:

  • Gerontology
  • Cardiovascular Medicine
  • Public Health

Background:

  • Hypertension prevalence increases with age, posing significant health risks.
  • Medication non-adherence is a key factor in uncontrolled hypertension, increasing mortality and cardiovascular events.
  • Multimorbidity is common in the elderly and its link to medication non-adherence requires further investigation.

Purpose of the Study:

  • To describe medication non-adherence and multimorbidity in elderly hypertensive patients in western China.
  • To explore the association between multimorbidity and medication non-adherence in this population.

Main Methods:

  • A cross-sectional study involving 1,316 elderly hypertensive patients from nine community health centers in western China.
  • Data collected via questionnaires and analyzed using statistical methods including binary logistic regression.
  • Multi-stage sampling ensured representative recruitment across Chengdu, Chongqing, and Urumqi.

Main Results:

  • The prevalence of medication non-adherence was 28.7%, and multimorbidity was prevalent at 77.0%.
  • A higher number of comorbidities significantly increased the risk of antihypertensive drug non-adherence.
  • Poor health behaviors and region of residence were also associated with medication non-adherence.

Conclusions:

  • A positive association exists between the number of comorbidities and medication non-adherence in elderly hypertensive patients.
  • Closer monitoring of medication adherence is crucial for elderly individuals with multiple chronic conditions.
  • Further research is needed to develop effective strategies for improving medication adherence in this demographic.
Abstract

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