Table 2

Risk of incident depression in each randomized group
Nutritional intervention
Control diet MD-EVOO MD-nuts
Cases 77 88 59
Person-years 6,096 7,715 6,803
Model 1a
  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)
Model 2c
  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.

bCombined MD.

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

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