Skip to main content

Table 3 Risk of depression (HR and 95 % CI)a according to the adherence to quintiles of different diet quality scores

From: A longitudinal analysis of diet quality scores and the risk of incident depression in the SUN Project

Mediterranean Diet Score 0–<3 3–<4 4–<5 5–<6 6–9 P for trend
 Cases 221 191 212 200 227  
 Person-years 22,560 25,206 27,338 25,812 30,330  
 Crude rates/103 b 9.8 (8.6–11.2) 7.6 (6.5–8.7) 7.8 (6.7–8.9) 7.7. (6.7–8.9) 7.5 (6.5–8.5)  
 Baseline 1 (ref.) 0.74 (0.61–0.90) 0.76 (0.63–0.92) 0.74 (0.61–0.90) 0.70 (0.58–0.85) 0.002
 Repeated measuresc 1 (ref.) 0.79 (0.65–0.96) 0.76 (0.62–0.92) 0.80 (0.66–0.97) 0.84 (0.69–1.02) 0.001
Pro-vegetarian Dietary Pattern Q1 Q2 Q3 Q4 Q5  
 Median 30 34 36 39 43  
 Cases 319 224 136 183 189  
 Person-years 34,090 27,862 20,032 24,584 24,677  
 Crude rates/103 b 9.4 (8.4–10.4) 8.0 (7.0–9.2) 6.8 (5.7–8.0) 7.4 (6.4–8.6) 7.7 (6.6–8.8)  
 Baseline 1 (ref.) 0.83 (0.70–0.99) 0.70 (0.57–0.86) 0.76 (0.63–0.91) 0.78 (0.64–0.93) 0.003
 Repeated measuresc 1 (ref.) 0.88 (0.74–1.04) 0.52 (0.43–0.64) 0.68 (0.57–0.82) 0.74 (0.61–0.89) <0.001
Alternative Healthy Eating Index-2010 Q1 Q2 Q3 Q4 Q5  
 Median 46 52 58 64 71  
 Cases 282 197 229 160 183  
 Person-years 30,175 24,041 30,488 21,979 24,564  
 Crude rates/103 b 9.3 (8.3–10.5) 8.2 (7.1–9.4) 7.5 (6.6–8.5) 7.3 (6.2–8.5) 7.4 (6.4–8.6)  
 Baseline 1 (ref.) 0.84 (0.70–1.01) 0.77 (0.64–0.90) 0.73 (0.60–0.88) 0.72 (0.59–0.88) <0.001
 Repeated measuresc 1 (ref.) 0.68 (0.57–0.82) 0.75 (0.63–0.90) 0.55 (0.46–0.67) 0.60 (0.49–0.72) <0.001
  1. Abbreviations: CI confidence interval, HR hazard ratio, Q1-Q5 Quintile1-Quintile5
  2. aAdjusted for age, sex, body mass index, smoking, physical activity during leisure time, use of vitamin supplement, total energy intake and presence of several diseases at baseline (cardiovascular disease, type 2 diabetes, hypertension and dyslipidaemia). For Pro-vegetarian Dietary Pattern, additionally adjusted for alcohol intake
  3. bCrude rates and 95 % confidence intervals
  4. cRepeated measures. Cumulative average for dietary patterns (at baseline and after 10 years of follow-up). Energy intake, body mass index and prevalence of diseases were also updated. For Pro-vegetarian Dietary Pattern, alcohol intake was also updated