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Title: Long Daytime Napping Is Associated with Increased Adiposity and Type 2 Diabetes in an Elderly Population with Metabolic Syndrome
Authors: Papandreou, Christopher
Díaz-López, Andrés
Babio, Nancy
Martínez-González, Miguel A.
Bulló, Mónica
Corella, Dolores
Fitó, Montse
Romaguera, Dora
Vioque, Jesús
Alonso-Gómez, Ángel M.
Wärnberg, Julia
Martínez, Alfredo J.
Serra Majem, Luis 
Estruch, Ramon
Fernández-García, José C.
Lapetra, José
Pintó, Xavier
Tur, Josep A.
Garcia-Rios, Antonio
Bueno-Cavanillas, Aurora
Delgado-Rodríguez, Miguel
Matía-Martín, Pilar
Daimiel, Lidia
Martín-Sánchez, Vicente
Vidal, Josep
Vázquez, Clotilde
Ros, Emilio
Buil-Cosiales, Pilar
Becerra-Tomas, Nerea
Martinez-Lacruz, Raul
Schröder, Helmut
Konieczna, Jadwiga
Garcia-de-la-Hera, Manoli
Moreno-Rodriguez, Anai
Barón-López, Javier
Pérez-Farinós, Napoleón
Abete, Itziar
Bautista Castaño, Inmaculada 
Casas, Rosa
Muñoz-Garach, Araceli
Santos-Lozano, José M.
Trias, Ferran
Gallardo-Alfaro, Laura
Ruiz-Canela, Miguel
Barragan, Rocio
Goday, Alberto
Galmés-Panadés, Aina M.
González-Botella, Andrés
Vaquero-Luna, Jessica
Toledo, Estefanía
Castañer, Olga
Salas-Salvadó, Jordi
UNESCO Clasification: 3206 Ciencias de la nutrición
Keywords: Nap
Type 2 diabetes
Body mass index
Waist circumference, et al
Issue Date: 2019
Journal: Journal of Clinical Medicine 
Abstract: Research examining associations between objectively-measured napping time and type 2 diabetes (T2D) is lacking. This study aimed to evaluate daytime napping in relation to T2D and adiposity measures in elderly individuals from the Mediterranean region. A cross-sectional analysis of baseline data from 2190 elderly participants with overweight/obesity and metabolic syndrome, in the PREDIMED-Plus trial, was carried out. Accelerometer-derived napping was measured. Prevalence ratios (PR) and 95% confidence intervals (CI) for T2D were obtained using multivariable-adjusted Cox regression with constant time. Linear regression models were fitted to examine associations of napping with body mass index (BMI) and waist circumference (WC). Participants napping ≥90 min had a higher prevalence of T2D (PR 1.37 (1.06, 1.78)) compared with those napping 5 to <30 min per day. Significant positive associations with BMI and WC were found in those participants napping ≥30 min as compared to those napping 5 to <30 min per day. The findings of this study suggest that longer daytime napping is associated with higher T2D prevalence and greater adiposity measures in an elderly Spanish population at high cardiovascular risk.
ISSN: 2077-0383
DOI: 10.3390/jcm8071053
Source: Journal of Clinical Medicine [ISSN 2077-0383], v. 8 (7), 1053, (Julio 2019)
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