Nyumba Ali Organization, Bologna, Italy.
Laboratory of Ergonomics and Musculoskeletal Disorders Assessment, Division of Physical Medicine and Rehabilitation, Istituti Clinici Scientifici Maugeri, IRCCS, Pavia, Italy.
Percept Mot Skills. 2021 Apr;128(2):731-745. doi: 10.1177/0031512520983701. Epub 2020 Dec 24.
The aim of this study was to investigate the reliability and validity of the Trunk Control Measurement Scale (TCMS) among children with cerebral palsy (CP) who were living in Tanzania. Two physiotherapy trainees, each blinded to the other's test findings, independently administered the TCMS to 38 children with CP (16 female; age = 7.2, = 4.8 years) twice over sessions separated by a 30-day interval. We assessed internal consistency and intra/inter-rater reliability using Cronbach's alpha and the Intraclass Correlation Coefficient (ICC), respectively. We examined measurement error through Standard Error of Measurement (SEM) and Minimal Detectable Change (MDC). We assessed construct validity with Spearman's correlation coefficient between the TCMS and both the Gross Motor Function Classification System (GMFCS) and the Manual Ability Classification System (MACS). We found a frank floor effect. Internal consistency (α = 0.945) and reliability indices were excellent for the total scale (ICC for intra-rater reliability = 0.985, inter- reliability = 0.997) and for each sub-scale score. We found low values of SEM (1.7 points) and MDC (4.8 points). Construct validity was supported by moderate and strong correlations between the TCMS and the GMFCS and MACS in this sample. We conclude that the psychometric properties of the TMCS support its clinical and research use for youth with CP in low-income settings.
本研究旨在探讨坦桑尼亚脑瘫儿童中躯干控制测量量表（TCMS）的信度和效度。两名物理治疗实习生在两次测试中，每次测试间隔 30 天，分别对 38 名脑瘫儿童（16 名女性；年龄=7.2，均=4.8 岁）进行了两次测试，每位实习生均对另一位的测试结果进行了盲法评估。我们分别使用克朗巴赫 α和组内相关系数（ICC）评估内部一致性和组内/间评分者可靠性。我们通过测量误差（SEM）和最小可检测变化（MDC）评估测量误差。我们通过 TCMS 与粗大运动功能分级系统（GMFCS）和手动能力分级系统（MACS）之间的 Spearman 相关系数评估结构效度。我们发现了明显的地板效应。总分的内部一致性（α=0.945）和可靠性指标非常优秀（ICC 内评分者可靠性=0.985，间评分者可靠性=0.997）和每个子量表分数。我们发现 SEM（1.7 分）和 MDC（4.8 分）值较低。在该样本中，TCMS 与 GMFCS 和 MACS 之间存在中度至强相关性，支持了结构效度。我们得出结论，TCMS 的心理测量特性支持其在低收入环境中用于脑瘫儿童的临床和研究用途。
