Psychometric Measurements of the Adherence to Refills and Medication Scales Among Patients With HIV/AIDS in Indonesia

IF 1.4 Q3 HEALTH CARE SCIENCES & SERVICES Value in health regional issues Pub Date : 2024-08-14 DOI:10.1016/j.vhri.2024.101027

Ika Ratna Hidayati MSc, Apt , Lia Amalia Dr, Apt , Meddy Setiawan Dr dr, SpPD, FINASIM , T.I. Armina Padmasawitri Dr, Apt , M. Rifqi Rokhman MSc, Apt

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Abstract

Objective

This study aimed to conduct a psychometric evaluation of the Adherence to Refills and Medications Scale (ARMS) among patients with HIV/AIDS in Indonesia.

Methods

Psychometric analysis was conducted at 2 hospitals and 7 public health centers at the voluntary counseling and testing clinic. Content validity was measured by assessing the relevance and clarity of each ARMS item. Construct validity was also assessed. Reliability was evaluated using internal consistency and test-retest reliability.

Results

This study involved 11 experts in the assessment of the content validity and 240 participants in the estimation of the construct validity. All ARMS items were generally considered easy to understand and relevant, with scale-level content validity index based on the average method (S-CVI/Ave) of 0.9 (>0.78) and item-level content validity index (I-CVI) in the range from 0.5 to 1 for the relevance level and S-CVI/Ave of 0.95 (>0.78) and I-CVI in the range from 0.8 to 1 for the clarity level. Two items (numbers 2 and 3) were revised based on experts’ suggestions to enhance comprehension. Confirmatory factor analysis supported 2 subscales: adherence to taking medications and adherence to refilling prescriptions. Good reliability was supported by internal consistency (Cronbach’s α 0.793) and test-retest reliability (intraclass correlation coefficient 0.722) for the overall adherence score.

Conclusions

The Indonesian version of ARMS is a valid and reliable medication adherence scale when used in Indonesian patients with HIV/AIDS.

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印度尼西亚艾滋病毒/艾滋病患者坚持补药和服药量表的心理测量学研究

本研究旨在对印度尼西亚艾滋病毒/艾滋病患者的 "续药和用药依从性量表"（ARMS）进行心理计量学评估。方法在2家医院和7家公共卫生中心的自愿咨询和检测诊所进行心理计量学分析。内容效度通过评估 ARMS 每个项目的相关性和清晰度来衡量。同时还评估了结构效度。这项研究有 11 位专家参与了内容效度评估，240 位参与者参与了结构效度评估。所有 ARMS 项目都被普遍认为易于理解且具有相关性，在相关性水平上，基于平均方法的量表级内容效度指数（S-CVI/Ave）为 0.9 (>0.78)，项目级内容效度指数（I-CVI）在 0.5 至 1 之间；在清晰度水平上，量表级内容效度指数（S-CVI/Ave）为 0.95 (>0.78)，项目级内容效度指数（I-CVI）在 0.8 至 1 之间。根据专家建议，对两个项目（编号 2 和 3）进行了修订，以提高理解能力。确认性因子分析支持两个子量表：服药依从性和重新配药依从性。总体依从性得分的内部一致性（Cronbach's α 0.793）和测试-再测可靠性（类内相关系数 0.722）证明了该量表具有良好的可靠性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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