Odds ratios (95% CI) for the longitudinal association between baseline dietary patterns and 4-year incidence of depressive symptoms (GDS> = 8) (n = 2,211).

1Test for trend was examined by entering dietary pattern score quartiles as a fixed factor and testing the contrast by using the polynomial option in all models.
2Model 1: adjusted for age, sex and daily energy intake at baseline.
3Model 2: further adjusted for BMI, PASE, number of IADLs, smoking status, alcohol use, education and marital status at baseline.
4Model 3: further adjusted for self-reported history of diabetes mellitus, hypertension, heart disease and stroke, and CSI-D score at baseline.