Laboratory of Epidemiology and Research in Health Sciences, Faculty of Medicine, Pharmacy, and Dental Medicine, Sidi Mohamed Ben Abdellah University, Fez, Morocco.
Department of Biology-Geology, Teachers Training College (Ecole Normale Superieure), Sidi Mohamed Ben Abdellah University, Fez, Morocco.
Addict Sci Clin Pract. 2024 Apr 3;19(1):24. doi: 10.1186/s13722-024-00459-5.
The Cannabis Abuse Screening Test (CAST) is a widely used screening tool for identifying patterns of cannabis use that have negative health or social consequences for both the user and others involved. This brief screening instrument has been translated into multiple languages, and several studies examining its psychometric properties have been published. However, studies on the factorial validity and psychometric properties of a Moroccan version of the CAST are not yet available. The objective of this study is to validate the CAST, translated, and adapted to the Moroccan Arabic dialect among persons with cannabis use.
A total of 370 participants from an addictology center in Fez City, were selected over two phases to form the study sample. First, in phase I, exploratory factor analysis was employed to evaluate the factor structure in the pilot sample (n = 150). Subsequently, in the second phase (Phase II), confirmatory factor analysis was utilized to confirm this structure in the validation sample (n = 220). All statistical analyses were carried out using the R program.
The CFA unveiled a three-factor structure that showed a good overall fit (χ2/df = 2.23, RMSEA = 0.07, SRMR = 0.02, CFI = 0.99, NFI = 0.98) and satisfactory local parameters (standardized factor loadings between 0.72 and 0.88). The model demonstrates satisfactory reliability and convergent validity, as evidenced by the acceptable values of composite reliability (CR) (0.76-0.88) and average variance extracted (AVE) (0.62-0.78), respectively. The square roots of the AVE exceeded the correlations of the factor pairs, and the heterotrait-monotrait (HTMT) ratio of the correlation values was below 0.85, indicating acceptable discriminant validity.
The reliability, convergent validity, and discriminant validity tests all demonstrated that the Moroccan version of the CAST performed well and can be considered a valid tool for screening of problematic cannabis use.
大麻滥用筛查测试(CAST)是一种广泛使用的筛查工具,用于识别对使用者和其他相关人员产生负面影响的大麻使用模式,包括健康和社会方面。这个简短的筛查工具已经被翻译成多种语言,并且已经发表了多项关于其心理测量特性的研究。然而,关于 CAST 的摩洛哥版本的因子有效性和心理测量特性的研究尚未发表。本研究的目的是验证翻译成摩洛哥阿拉伯语方言并适用于大麻使用者的 CAST。
共从非斯市的一个成瘾治疗中心选择了 370 名参与者,分两个阶段组成研究样本。首先,在第一阶段,使用探索性因子分析评估初步样本(n=150)的因子结构。随后,在第二阶段(第二阶段),使用验证样本(n=220)对该结构进行验证性因子分析。所有统计分析均使用 R 程序进行。
CFA 揭示了一个三因素结构,总体拟合良好(χ2/df=2.23,RMSEA=0.07,SRMR=0.02,CFI=0.99,NFI=0.98),局部参数也令人满意(标准化因子负荷在 0.72 到 0.88 之间)。该模型表现出令人满意的可靠性和收敛效度,可接受的综合可靠性(CR)(0.76-0.88)和平均方差提取(AVE)(0.62-0.78)值证明了这一点。AVE 的平方根超过了因子对的相关系数,相关值的异质特质-同质特质(HTMT)比值低于 0.85,表明具有可接受的判别效度。
可靠性、收敛有效性和判别有效性测试均表明,摩洛哥版的 CAST 表现良好,可以被认为是一种用于筛查大麻使用问题的有效工具。