Escala de auto-eficácia para brasileiros com diabetes tipo 1
Palavras-chave:
Diabetes mellitus, Escalas, Auto-eficácia, Psicometria, PacienteResumo
CONTEXTO E OBJETIVOS: Diabetes é um problema de saúde pública e sabe-se que o controle glicêmico adequado pode prevenir ou retardar as complicações e, sendo a auto-efi cácia fator chave para atingir as metas comportamentais com sucesso, o objetivo deste estudo foi analisar as propriedades psicométricas da escala de auto-efi cácia no manejo da insulina (IMDSES) em uma população de diabéticos tipo 1 do sul do Brasil. TIPO DE ESTUDO E LOCAL: Estudo de validação, realizado em uma população de diabéticos tipo 1 de duas cidades do sul do Brasil. METODOS: As propriedades psicométricas da IMDSES foram avaliadas em 213 diabéticos tipo 1, de setembro a dezembro de 2004, que eram atendidos pelo sistema único de saúde (SUS). A análise dos componentes principais para o desenvolvimento de subescalas e o coefi ciente alfa de Cronbach foi utilizado na avaliação de confi abilidade da escala. RESULTADOS: Após analise das propriedades psicométricas, a escala fi cou com 20 itens e três sub-escalas, dieta (alpha = 0,83), insulina (alpha = 0,92) e cuidados gerais (alpha = 0,78) que correspondiam a 53% da variância. Validade de critério foi investigada através de dois parâmetros: glicohemoglobina, através da qual foi possível verifi car associação signifi cativa com auto-efi cácia na subescala insulina (p = 0,04) e com a variável “adesão”, que foi signifi cativamente associada com auto-efi cácia em duas sub-escalas (p < 0,05). CONCLUSÃO: Este estudo verifi cou que IMDSES é válida e confi ável e pode ser utilizada para avaliar resultados de programas educacionais em diabetes e auto-efi cácia no manejo do diabetes para possíveis intervenções.
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