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Psicologia, Saúde & Doenças

versão impressa ISSN 1645-0086

Psic., Saúde & Doenças v.2 n.2 Lisboa nov. 2001

 

Contributo para a validação concorrente de uma medida de adesão aos tratamentos

Artur Barata Delgado & Maria Luísa Lima1

Departamento de Psicologia Social e das Organizações, ISCTE – Lisboa, Portugal PRAXIS XXI / BD / 21473 / 99

 

Resumo: Apesar da não adesão aos tratamentos ser provavelmente a principal causa de insucesso das terapêuticas, não se encontram suficientemente desenvolvidas medidas validadas de detecção do nível de adesão. Neste estudo desenvolveu-se, a partir da medida de adesão apresentada por Morisky, Green e Levine (1986), uma versão com 7 itens. Analisou-se, em diversas condições de resposta, a consistência interna da Medida de Adesão aos Tratamentos (MAT) e a sua validade concorrente através do critério contagem de medicamentos. A MAT apresentou uma boa consistência interna na condição de resposta na forma de escala de Likert. Em termos de validade concorrente, a medida de adesão apresentou correlações elevadas em qualquer condição de resposta. A resposta em forma de escala de Likert revelou maior sensibilidade e especificidade a captar os diversos comportamentos de adesão.

Palavras-chave: Adesão, Consistência interna e validade concorrente, Medida.

 

Contribution to concurrent validity of treatment adherence

Abstract: Non-adherence to medical regimens is likely the major cause of therapeutic failure. Besides that health professionals face difficulties on the assessment of rates of adherence. Based on Morisky, Green e Levine (1986)’s measure of medication adherence, a version with 7 items was developed. It was analysed, in diverse conditions of response, the internal consistency of the 7 items Measure Treatment Adherence (MTA) and its concurrent validity, through the pill count criterion. The MTA presented a good internal consistency in the condition of Likert scale response, and raised correlations in any condition of response. The response in form of Likert scale disclosed to greater sensitivity and specificity to detect the diverse behaviours of adherence.

Key words: Adherence, Internal consistency and concurrent validity, Measure.

 

 

Texto completo disponível apenas em PDF.

Full text only available in PDF format.

 

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1 Contactar para E-mail: lpl@iscte.pt