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Concurrent validity of the Arabic version of General Medication Adherence Scale using two validated indirect adherences measures in Saudi patients with non-communicable diseases

Islam MA 1 , Nisa ZU 2 , Almuzel AI 3 , Al Afif HS 3 , Al Rabia LH 3 , Iqbal MS 4 Show all authors , Ishaqui AA 5 , Iqbal MZ 6 , Hossain MA 7 , Haseeb A 8 , Jamshed S 9 , Naqvi AA 1 , Kripalani S 10

Affiliations 

  • 1 Department of Pharmacy Practice, College of Clinical Pharmacy, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
  • 2 Faculty of Pharmacy, Ziauddin University, Karachi, Pakistan
  • 3 College of Clinical Pharmacy, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
  • 4 Department of Clinical Pharmacy, College of Pharmacy, Prince Sattam bin Abdulaziz University, Alkharj, Saudi Arabia
  • 5 Department of Pharmacy, King Abdulaziz Hospital, National Guard Health Authority, Alahsa, Saudi Arabia
  • 6 Department of Clinical Pharmacy and Pharmacy Practice, Faculty of Pharmacy, AIMST University, Bedong, Malaysia
  • 7 Department of Pharmacology and Toxicology, College of Medicine, Umm Al Qura University, Makkah, Saudi Arabia
  • 8 Department of Clinical Pharmacy, College of Pharmacy, Umm Al Qura University, Makkah, Saudi Arabia
  • 9 Department of Pharmacy Practice, Faculty of Pharmacy, uniSZA, Kuala Terranganu, Malaysia
  • 10 Center for Clinical Quality and Implementation Research, Vanderbilt University Medical Center, Nashville, TN, USA
Saudi Pharm J, 2021 Aug;29(8):874-878.
PMID: 34408547 DOI: 10.1016/j.jsps.2021.07.002

Abstract

Purpose: This study aimed to evaluate the concurrent validity of the Arabic version of the General Medication Adherence Scale (GMAS) using two validated scales namely Adherence to Refills and Medications Scale (ARMS) and Medication Adherence Rating Scale (MARS) in Saudi patients with non-communicable diseases.

Methods: A cross sectional study was conducted for 2 months in out-patient departments at a tertiary care hospital in Khobar, Saudi Arabia. The study collected data from patients with chronic illnesses through convenience sampling. Pearson correlation (ρ) was conducted to report concurrent validity of GMAS. A correlation coefficient value ≥ 0.5 with p-value  SAR 10,000, i.e., USD 2666.2 (56.4%). The mean adherence scores obtained from MARS, ARMS and GMAS were 7.09, 19.9, and 27.4. The correlation (ρ) between GMAS and MARS scores was 0.65, and between GMAS and ARMS scores was -0.79, p 

* Title and MeSH Headings from MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

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