Facultad de Ciencias de la Salud, Universidad del Magdalena, Santa Marta, Colombia.
Medicine School, Florida Agricultural and Mechanical University, Tallahassee, Florida, USA.
Dement Geriatr Cogn Disord. 2023;52(1):32-38. doi: 10.1159/000528281. Epub 2023 Feb 14.
The Memory Complaint Scale (MCS-15) is a 15-item instrument to explore frequent forgetfulness in daily life in people with possible cognitive impairment. However, knowledge about its psychometric performance is limited.
The objective of this study was to know the dimensionality and internal consistency of the MCS-15 in Colombian older adults.
A probabilistic sample of 1,957 older adults from the general Colombian population was taken, aged between 60 and 98 years (mean = 71.0 ± 7.9), and 62.2% were women. Internal consistency (Cronbach's alpha and McDonald's omega) and dimensionality (exploratory and confirmatory factor analysis) were calculated for the original and ten-item versions.
The 15-item version showed Cronbach's alpha and McDonald's omega of 0.91, and one dimension accounted for 45.3% of the variance. A version of ten items showed Cronbach's alpha and McDonald's omega of 0.89 and a single factor that explained 50.9% of the variance with better indicators in the confirmatory factor analysis. Convergence with the shortened Mini-Mental State Examination was rs = 0.43 (p < 0.001), and the Montreal Cognitive Assessment test was rs = 0.38 (p < 0.001). The nomological validity with the geriatric depression scale was rs = 0.44 (p < 0.001), and women scored higher than men (p < 0.001).
The MCS-15 shows high internal consistency with poor dimensionality. However, a ten-item version shows high internal consistency and a clear one-dimensional structure. More research is needed: testing the performance against a structured interview for major cognitive impairment.
记忆抱怨量表（MCS-15）是一种包含 15 个项目的工具，用于探索可能存在认知障碍的人群日常生活中的频繁健忘。然而，人们对其心理测量性能的了解有限。
本研究旨在了解 MCS-15 在哥伦比亚老年人中的维度和内部一致性。
从一般哥伦比亚人群中抽取了一个概率样本，共 1957 名年龄在 60 至 98 岁之间的老年人（平均年龄=71.0±7.9），其中 62.2%为女性。计算了原始和十项版本的内部一致性（Cronbach's alpha 和 McDonald's omega）和维度（探索性和验证性因素分析）。
15 项版本的 Cronbach's alpha 和 McDonald's omega 分别为 0.91 和 0.89，一个维度占 45.3%的方差。十项版本的 Cronbach's alpha 和 McDonald's omega 分别为 0.89 和 0.91，且一个因素解释了 50.9%的方差，验证性因素分析的指标更好。与缩短的 Mini-Mental State Examination 的收敛度为 rs = 0.43（p<0.001），与 Montreal Cognitive Assessment 测试的收敛度为 rs = 0.38（p<0.001）。与老年抑郁量表的效标关联度为 rs = 0.44（p<0.001），女性得分高于男性（p<0.001）。
MCS-15 具有较高的内部一致性和较差的维度性。然而，十项版本具有较高的内部一致性和清晰的一维结构。需要进一步研究：用针对主要认知障碍的结构化访谈来检验其性能。
