![]() ![]() Moreover, we described a systematic approach for adjusting the effects of age and education using fractional polynomials and provided suggestions on how to account for the nonlinear relationship that is frequently encountered between demographic factors and measures of cognitive performance. ConclusionsWe presented normative data for the MoCA and the MoCA-MIS that will facilitate the use of the test in Brazil and, potentially, in other populations with substantial proportions of low-educated individuals. On the other hand, MoCA-MIS scores presented a nonlinear negative relationship with age, with an accelerated pattern at higher age levels (P<0.001). MoCA scores presented a nonlinear positive association with education tending to a plateau at higher levels (P<0.001). These data reinforce the need of adjusting cutoffs for schooling in populations with heterogeneous educational backgrounds. Even using a more conservative suggestion (22 points), 67% of our normative sample would be regarded as impaired. ![]() Julayanont, P., Brousseau, M., Chertkow, H., Phillips, N., & Nasreddine, Z. Alzheimer disease and associated disorders. ResultsAccording to the original proposed cutoff (25 points), 87% of our sample would be considered impaired. The MoCA-Memory Index Score: An Efficient Alternative to Paragraph Recall for the Detection of Amnestic Mild Cognitive Impairment. To account for nonlinear relationships, we have used fractional polynomials that provide a flexible parameterization for continuous variables. The final sample consisted of 597 cognitively healthy Brazilians aged 50 to 90years. Dementia has been excluded with the Functional Activities Questionnaire. MethodsCommunity-dwelling outpatients were enrolled if they had no history of neurologic or psychiatric diseases and were not taking any drugs with effects on the central nervous system. ObjectiveTo provide age-corrected and education-corrected norms for the Montreal Cognitive Assessment (MoCA) and the Memory Index Score (MoCA-MIS) in Brazil. INTERNATIONAL JOURNAL OF GERIATRIC PSYCHIATRY, v.33, n.7, p.893-899, 2018 Normative data for the Montreal Cognitive Assessment (MoCA) and the Memory Index Score (MoCA-MIS) in Brazil: Adjusting the nonlinear effects of education with fractional polynomialsĪPOLINARIO, Daniel SANTOS, Marilia Funchal dos SASSAKI, Eduardo PEGORARO, Fernanda PEDRINI, Anna Vitoria Alves CESTARI, Bruna AMARAL, Ana Helena MITT, Mayra MUELLER, Marina Bellatti SUEMOTO, Claudia Kimie APRAHAMIAN, Ivan Please use this identifier to cite or link to this item: ![]()
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