|Risk of incident depression in each randomized group|
|HR (95% CI)||1 (ref)||0.85 (0.62 to 1.15)||0.73 (0.52-1.03)|
|HR (95% CI)b||1 (ref)||0.80 (0.60 to 1.05)|
|HR (95% CI)||1 (ref)||0.91 (0.67 to 1.24)||0.78 (0.55-1.10)|
|HR (95% CI)b||1 (ref)||0.85 (0.64 to 1.13)c|
Abbreviations: HR hazard ratio, MD Mediterranean diet, ref reference group, EVOO extra virgin olive oil.
aModel 1: adjusted for age, sex, and recruiting center.
cModel 2: model 1 additionally adjusted for body mass index, smoking, physical activity during leisure time, educational level, marital status, alcohol and total energy intake, and presence of any of several diseases at baseline (cancer, diabetes mellitus type 2, hypertension, hypercholesterolemia, fractures, Parkinson disease and chronic bronchitis).
Sánchez-Villegas et al.
Sánchez-Villegas et al. BMC Medicine 2013 11:208 doi:10.1186/1741-7015-11-208