Department of Physiotherapy, School of Medicine, College of Medicine and Health Sciences, University of Gondar, P.O. Box 196, Gondar, Ethiopia.
Institute of Health Policy Management and Evaluation, Dalla Lana School of Public Health, University of Toronto, Ontario, Canada.
Health Qual Life Outcomes. 2023 Jan 23;21(1):7. doi: 10.1186/s12955-023-02092-3.
The stroke-specific quality of life 2.0 (SSQOL 2.0) scale is a valid, reliable instrument which has been widely used as a patients reported outcome measure among stroke survivors. However, the SSQOL scale has not been validated and used in any Ethiopian language. This study aimed to translate, culturally adapt, and test the psychometric properties of the SSQOL scale 2.0 in Amharic, which is the official and working language with about 34 million (23%) speakers in Ethiopia.
The adapted English version of the SSQOL 2.0 scale was translated into Amharic and then back-translated to English. An expert committee translated and created a final Amharic version of SSQOL (SSQOL-AM) scale. Pre-field testing (pilot and cognitive debriefing) was conducted with 15 post-stroke subjects. The SSQOL-Am was administered to 245 stroke survivors from four referral hospitals to determine the psychometric properties. Cronbach's alpha and Intra-class correlation coefficient were used to calculate the internal consistency and test-retest reliability, spearman's correlation for the convergent validity of the SSQOL-Am scale. The Standard Error of Measurement (SEM), Minimum Detectable Change (MDC), Bland Altman Limit of Agreement (LOA), Confirmatory Factor Analysis, and Exploratory Factor Analysis were also determined.
The SSQOL-Am demonstrated excellent test-retest reliability (ICC = 0.93), internal consistency (Cronbach's alpha = 0.96), SEM 0.857, MDC 1.94, and good LOA. As postulated, the mobility domain of the tool demonstrated a significantly strong correlation with the physical function domain of the SF-36 (rho = 0.70, p < 0.001).
The SSQOL-Am is a valid and reliable outcome measure. The tool can be used in both clinical practice and research purposes with Amharic speaking post-stroke survivors.
卒中特异性生存质量量表 2.0（SSQOL 2.0）是一种有效的、可靠的工具，已被广泛应用于卒中幸存者的患者报告结局测量。然而，SSQOL 量表尚未在任何埃塞俄比亚语言中进行验证和使用。本研究旨在将 SSQOL 2.0 的英文版本翻译成阿姆哈拉语，并对其进行文化适应性测试，以评估其在埃塞俄比亚官方语言阿姆哈拉语中的信度和效度。
将适应英语版本的 SSQOL 2.0 量表翻译成阿姆哈拉语，然后再回译回英语。一个专家委员会对其进行了翻译，并创建了最终的阿姆哈拉语版本 SSQOL（SSQOL-AM）量表。在实地测试之前（预试验和认知性访谈），对 15 名卒中后患者进行了测试。在来自四家转诊医院的 245 名卒中幸存者中进行了 SSQOL-Am 的测试，以确定其信度和效度。使用 Cronbach's alpha 和 Intra-class correlation coefficient 来计算内部一致性和重测信度，Spearman 相关系数来评估 SSQOL-Am 量表的收敛效度。还确定了测量误差（SEM）、最小可检测变化（MDC）、Bland Altman 协议界限（LOA）、验证性因子分析和探索性因子分析。
SSQOL-Am 量表具有极好的重测信度（ICC=0.93）、内部一致性（Cronbach's alpha=0.96）、SEM 为 0.857、MDC 为 1.94，以及良好的 LOA。如预期的那样，该工具的移动性域与 SF-36 的身体功能域具有显著的强相关性（rho=0.70，p<0.001）。
SSQOL-Am 是一种有效的、可靠的测量工具。该工具可以在临床实践和研究中用于与讲阿姆哈拉语的卒中幸存者。
