![]() ![]() Interview Setting and Mode of Administration Persons requiring a proxy informant, or a language interpreter were not eligible. Questions and tasks were administered at the mobile examination center (MEC), by trained interviewers, using the Computer-Assisted Personal Interview (CAPI) system during the MEC interview session. Interviewers closely followed the administration guidelines of the MoCA. Survey participants orally agreed to audio record the testing session before the administration of any questions or tasks. Tests were administered by four primary interviewers. After each interview, two interviewers independently assigned points for each item in the assessment according to MoCA scoring criteria (MoCA Version 8.1). Scoring was usually conducted on the same day as the assessment. Interviewers entered itemized scores and verbatim responses into an electronic scoring application and the scores of the two interviewers were compared. Any differences in scores were adjudicated by a reviewer who completed MoCA certification and training.Īpproximately 5% of audio-recorded interviews were independently reviewed over the course of the data collection cycle to evaluate consistency in administration of instructions, to determine accuracy in scoring, and to examine differences in scoring by interviewers. ![]() Data Processing and EditingĮdits were made, as necessary, to ensure the completeness, consistency, and analytic usefulness of the data. ![]() Recordings of approximately 4% of participants with refusal and don’t know responses were evaluated to ensure the consistent application of response codes. All rights reserved.Summary variables with test administration notes including instructions not understood or nonperformance due to a physical impairment were created for some tasks. This proposal would assist in the use of the test and reduce the rate of false positives.Ĭognitive screening Cribado cognitivo Enfermedad neurodegenerativa Evaluación neuropsicológica Montreal Cognitive Assessment Neurodegenerative disease Neuropsychological evaluation.Ĭopyright © 2020 Sociedad Española de Neurología. We present normative data for the MoCA test in the Chilean population, and propose cut-off points for different age ranges to discriminate normal cognitive performance from neurocognitive disorders results are adjusted for education level. We propose a protocol for evaluating results by percentiles and scores for different age ranges, and an individual normalised scalar score. Older adults with less formal education presented poorer results and lower cognitive performance. The mean (standard deviation) score for the total sample was 24.04 (3.22), whereas the normal range originally defined for the instrument is 26-30 points. Age, education, and sex account for 1-7% of variance. We analysed the effects of age, education level, and sex on MoCA performance.Īge and education level had a significant impact on general cognitive performance, as determined by MoCA score. We performed a descriptive, correlational validation study of the MoCA test, using a sample including 526 healthy individuals of both sexes, aged between 18 and 90 years, from the north, centre, and south of Chile. This study aims to normalise and standardise the MoCA test for the Chilean population. The Montreal Cognitive Assessment (MoCA), a short, simple, valid, and reliable screening test, assesses general cognitive status, and is useful in public health contexts. Population ageing poses a challenge for countries in preventing and detecting neurodegenerative disorders. ![]()
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