Browsing by Author "Mascarenhas, Mário"
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- Assessing quality of life in severe obesity: development and psychometric properties of the ORWELL-RPublication . Camolas, José; Ferreira, André; Mannucci, Edoardo; Mascarenhas, Mário; Carvalho, Manuel; Moreira, Pedro; Carmo, Isabel do; Santos, OsvaldoPURPOSE: Several health-related quality-of-life (HRQoL) dimensions are affected by obesity. Our goal was to characterize the psychometric properties of the ORWELL-R, a new obesity-related quality-of-life instrument for assessing the "individual experience of overweightness". METHODS: This psychometric assessment included two different samples: one multicenter clinical sample, used for assessing internal consistency, construct validity and temporal reliability; and a community sample (collected through a cross-sectional mailing survey design), used for additional construct validity assessment and model fit confirmation. RESULTS: Overall, 946 persons participated (188 from the clinical sample; 758 from community sample). An alpha coefficient of 0.925 (clinical sample) and 0.934 (community sample) was found. Three subscales were identified (53.2 % of variance): Body environment experience (alpha = 0.875), Illness perception and distress (alpha = 0.864), Physical symptoms (alpha = 0.674). Adequate test-retest reliability has been confirmed (ICC: 0.78 for the overall score). ORWELL-R scores were worse in the clinical sample. Worst HRQoL, as measured by higher ORWELL-R scores, was associated with BMI increases. ORWELL-R scores were associated with IWQOL-Lite and lower scores in happiness. CONCLUSIONS: ORWELL-R shows good internal consistency and adequate test-retest reliability. Good construct validity was also observed (for convergent and discriminant validity) and confirmed through confirmatory factor analysis (in both clinical and community samples). Presented data sustain ORWELL-R as a reliable and useful instrument to assess obesity-related QoL, in both research and clinical contexts.
- A Endocrinologia em Portugal - Census 2016. Direção do colégio de Endocrinologia e Nutrição da Ordem dos MédicosPublication . Guimarães, Joana; Afonso, António; Carvalho, Davide; Marques, Ana Paula; Martins, Teresa; Mascarenhas, Mário; Pereira, Conceição; Rodrigues, Dírcea; Saraiva, Catarina; Cardoso, Helena
- INDIVIDUO: intervenção nutricional direcionada aos estilos de vida em indivíduos com obesidadePublication . Camolas, José; Santos, Osvaldo; Mascarenhas, Mário; Moreira, Pedro; Carmo, Isabel doO paradigma terapêutico em obesidade força os profissionais de saúde a decisões clínicas partilhadas com o doente. A adoção de novos padrões alimentares depende de múltiplas mudanças comportamentais propostas pelos profissionais de saúde, que podem ter impacto negativo na qualidade de vida dos doentes, dificultando a sua manutenção. Este artigo apresenta o modelo de intervenção nutricional INDIVIDUO. Trata-se de uma intervenção estruturada, que integra recomendações nutricionais baseadas na evidência com estratégias relacionais promotoras de mudança comportamental sustentável. Apresenta-se também o protocolo do primeiro ensaio clínico controlado, que visa avaliar a efetividade desta intervenção. Sendo direcionada a candidatos a cirurgia da obesidade, em contexto de consulta multidisciplinar, espera-se que a intervenção seja promotora e/ou catalisadora de mudanças comportamentais sustentáveis, conducentes a melhorias clínicas significativas, a nível do peso corporal, controlo metabólico e qualidade de vida relacionada com a saúde.