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|A large randomized individual and grupal intervention conducted by dietitians increased the adherence to Mediterranean-type diets: The PREDIMED study|
|Authors: ||Zazpe, I. (Itziar)|
Sanchez-Tainta, A. (Ana)
Martinez-Gonzalez, M.A. (Miguel Angel)
Lamuela-Raventos, R.M. (Rosa María)
Schröder, H. (Helmut)
Estruch, R. (Ramón)
Salas-Salvado, J. (Jordi)
Corella, D. (Dolores)
Fiol, M. (Miquel)
Gomez-Gracia, E. (Enrique)
Aros, F. (Fernando)
Ros, E. (Emilio)
Ruiz-Gutierrez, V. (Valentina)
Iglesias, P. (Pablo)
Conde-Herrero, M. (M.)
|Keywords: ||Materias Investigacion::Ciencias de la Salud::Nutrición y dietética|
|Issue Date: ||2008|
|Publisher version: ||http://www.sciencedirect.com/science?_ob=ArticleURL&_udi=B758G-4SV7KCR-D&_user=766132&_coverDate=07%2F31%2F2008&_rdoc=1&_fmt=high&_orig=gateway&_origin=gateway&_sort=d&_docanchor=&view=c&_acct=C000042418&_version=1&_urlVersion=0&_userid=766132&md5=c75050228274f83636db2e275da6ed06&searchtype=a|
|Citation: ||Zazpe I, Sanchez-Tainta A, Estruch R, Lamuela-Raventos RM, Schroder H, Salas-Salvado J, et al. A large randomized individual and group intervention conducted by registered dietitians increased adherence to Mediterranean-type diets: the PREDIMED study. J Am Diet Assoc 2008 Jul;108(7):1134-44; discussion 1145.|
Objective: Assessment of the effectiveness of an intervention aimed to increase adherence to the Mediterranean Diet (MeDiet).
Design: 12-month assessment of a randomized primary prevention trial
Subjects/settings: 1551 asymptomatic persons aged 55-80 years, with diabetes or 3 cardiovascular risk factors.
Intervention: Participants were randomly assigned to a control group or 2 MeDiet groups. Those allocated to the 2 MeDiet groups received individual motivational interviews every 3 months to negotiate nutritional goals, and group educational sessions also on a quarterly basis. One MeDiet group received free virgin olive oil (1 L/wk), the other received free mixed nuts (30 g/d). Participants in the control group received verbal instructions and a leaflet recommending the National Cholesterol Education Program-III dietary guidelines.
Main Outcome measures: changes in food and nutrient intake after 12-month.
Statistical analyses: Paired t-tests (Within-group changes) and ANOVA (between-group changes).
Results: Participants allocated to both MeDiets increased the intake of virgin olive oil, nuts, vegetables, legumes and fruits (P<0.05; all within- and between-group differences). Participants in the 3 groups decreased their intake of meat and pastries, cakes and sweets (P<0.05; all). Fiber, monounsaturated and polyunsaturated fatty acid intake increased in MeDiet groups (P<0.005; all). Favorable, although nonsignificant, changes in intake of other nutrients occurred only in the MeDiet groups.
Conclusions: A 12-month behavioral intervention promoting the MeDiet can favorably modify the overall dietary pattern.
Applications: The individual motivational interventions together with the group sessions and the free provision of high-fat and palatable key foods customary to the MeDiet, were effective in improving the dietary habits of participants in this trial.
|Permanent link: ||http://hdl.handle.net/10171/17232|
|Appears in Collections:||DA - Farmacia - CAFT - Artículos de revista|
DA - Medicina - MPSP -Artículos de revista
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