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Título: | Validation of a short screener for assessing Mediterranean Diet adherence among adult Spanish men and women |
Autor: | Schröder, Helmut; Fitó, Montserrat; Estruch, Ramón; Martínez-González, Miguel Ángel; Corella, Dolores; Salas-Salvadó, Jordi; Lamuela-Raventós, Rosa M.; Ros, Emilio; Salaverría, Itziar; Fiol, Miquel; Lapetra, José; Vinyoles, Ernest; Gómez-Gracia, Enrique; Lahoz, Carlos; Serra-Majem, Lluís; Pintó, Xavier; Ruiz-Gutiérrez, Valentina CSIC ; Covas, María Isabel | Fecha de publicación: | 1-jun-2011 | Editor: | American Society for Nutrition | Citación: | Journal of Nutrition 141(6): 1140-1145 (2011) | Resumen: | Ensuring the accuracy of dietary assessment instruments is paramount for interpreting diet-disease relationships. The present study assessed the relative and construct validity of the 14-point Mediterranean Diet Adherence Screener (MEDAS) used in the Prevención con Dieta Mediterránea (PREDIMED) study, a primary prevention nutrition-intervention trial. A validated FFQ and the MEDAS were administered to 7146 participants of the PREDIMED study. The MEDAS-derived PREDIMED score correlated significantly with the corresponding FFQ PREDIMED score (r = 0.52; intraclass correlation coefficient = 0.51) and in the anticipated directions with the dietary intakes reported on the FFQ. Using Bland Altman's analysis, the average MEDAS Mediterranean diet score estimate was 105% of the FFQ PREDIMED score estimate. Limits of agreement ranged between 57 and 153%. Multiple linear regression analyses revealed that a higher PREDIMED score related directly (P < 0.001) to HDL-cholesterol (HDL-C) and inversely (P < 0.038) to BMI, waist circumference, TG, the TG:HDL-C ratio, fasting glucose, and the cholesterol:HDL-C ratio. The 10-y estimated coronary artery disease risk decreased as the PREDIMED score increased (P < 0.001). The MEDAS is a valid instrument for rapid estimation of adherence to the Mediterranean diet and may be useful in clinical practice. | URI: | http://hdl.handle.net/10261/53946 | DOI: | 10.3945/jn.110.135566 | Identificadores: | doi: doi:10.3945/jn.110.135566 issn: 0022-3166 e-issn: 1541-6100 |
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