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Estudo da Fiabilidade Interavaliadores do Instrumento de Avaliação da Capacidade em Saúde
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O envelhecimento da população tem conduzido a um aumento dos casos de perturbações neurocognitivas, como a demência, que podem comprometer a capacidade de decisão em saúde. Torna-se, assim, essencial dispor de instrumentos válidos e fiáveis que permitam avaliar esta capacidade de forma objetiva. O Instrumento de Avaliação da Capacidade em Saúde (IAC-Saúde) foi desenvolvido para avaliar a capacidade de tomada de decisão em adultos, sendo importante averiguar a sua fiabilidade, para garantir rigor e objetividade. Este estudo teve como objetivo analisar a fiabilidade interavaliadores do IAC-Saúde. Participaram 60 adultos entre os 60 e os 85 anos (M = 71.17; DP = 5.96), maioritariamente do sexo feminino (75%), casados (65%) e reformados (86.7%), que responderam ao Montreal Cognitive Assessment, o Inventário de Avaliação Funcional de Adultos e Idosos, o Geriatric Anxiety Inventory, o Geriatric Depression Scale, e o IAC-Saúde. O IAC-Saúde foi cotado por dois avaliadores independentes para a análise do seu grau de concordância. O coeficiente de correlação intraclasse (CCI = .849) revelou boa fiabilidade interavaliadores. Embora tenham sido encontradas diferenças estatisticamente significativas entre as médias atribuídas pelos avaliadores (p < .001), registou-se uma correlação forte e positiva (rs = .865; p < .001) entre as pontuações atribuídas, indicando uma consistência geral nas avaliações. Conclui-se que o IAC-Saúde apresenta consistência robusta entre avaliadores, constituindo um instrumento fiável e aplicável à prática clínica. Apesar das diferenças individuais na cotação, o IAC-Saúde mostra-se sensível e adequado para apoiar decisões éticas e informadas em saúde. Recomenda-se a realização de estudos futuros com amostras clínicas e maior diversidade de avaliadores
Population aging has led to an increase in neurocognitive disorders, such as dementia, which can compromise health decision-making capacity. It is therefore essential to have valid and reliable instruments that allow for an objective assessment of this capacity. The Instrumento de Avaliação da Capacidade em Saúde (IAC-Saúde) was developed to evaluate decision-making ability in older adults, and it is important to examine the reliability to ensure rigor and objectivity. The present study aimed to analyze the interrater reliability of the IAC-Saúde. Sixty adults aged between 60 and 85 years (M = 71.17; SD = 5.96) participated in the study, the majority being female (75%), married (65%), and retired (86.7%). Participants completed the Montreal Cognitive Assessment, the Inventário de Avaliação Funcional de Adultos e Idosos, the Geriatric Anxiety Inventory, the Geriatric Depression Scale and the IAC-Saúde. The IAC-Saúde, was scored by two independent raters to analyze the level of agreement between them. The intraclass correlation coefficient (ICC = .849), indicated good interrater reliability. Although statistically significant differences were found between the mean scores assigned by the raters (p < .001), a strong positive correlation was observed between their ratings (rs= .865; p < .001), indicating overall consistency in evaluations. It was concluded that the IAC-Saúde demonstrates robust interrater consistency, constituting a reliable instrument applicable to clinical practice. Despite minor differences in scoring, the IAC-Saúde appears to be sensitive and suitable for supporting ethical and informed health-related decisions. Future studies with clinical samples and a greater diversity of raters are recommended.
Population aging has led to an increase in neurocognitive disorders, such as dementia, which can compromise health decision-making capacity. It is therefore essential to have valid and reliable instruments that allow for an objective assessment of this capacity. The Instrumento de Avaliação da Capacidade em Saúde (IAC-Saúde) was developed to evaluate decision-making ability in older adults, and it is important to examine the reliability to ensure rigor and objectivity. The present study aimed to analyze the interrater reliability of the IAC-Saúde. Sixty adults aged between 60 and 85 years (M = 71.17; SD = 5.96) participated in the study, the majority being female (75%), married (65%), and retired (86.7%). Participants completed the Montreal Cognitive Assessment, the Inventário de Avaliação Funcional de Adultos e Idosos, the Geriatric Anxiety Inventory, the Geriatric Depression Scale and the IAC-Saúde. The IAC-Saúde, was scored by two independent raters to analyze the level of agreement between them. The intraclass correlation coefficient (ICC = .849), indicated good interrater reliability. Although statistically significant differences were found between the mean scores assigned by the raters (p < .001), a strong positive correlation was observed between their ratings (rs= .865; p < .001), indicating overall consistency in evaluations. It was concluded that the IAC-Saúde demonstrates robust interrater consistency, constituting a reliable instrument applicable to clinical practice. Despite minor differences in scoring, the IAC-Saúde appears to be sensitive and suitable for supporting ethical and informed health-related decisions. Future studies with clinical samples and a greater diversity of raters are recommended.
Descrição
Palavras-chave
Capacidade de Decisão em Saúde Envelhecimento Fiabilidade Interavaliadores Iac Saúde Instrumentos de
Avaliação