Table 2 Hazard ratios (95% CI) of hypertension according to servings per day of vegetable consumption in the SUN cohort

From: Role of vegetables and fruits in Mediterranean diets to prevent hypertension

Servings per day of vegetables 1 1.1–2 2.1–3 3.1–4 >4 P for trend
N 1258 3208 2350 1067 711  
Incident cases 64 169 114 52 31  
Persons-years 4906 12 511 9165 4161 2773  
Rate per 1000 13.0 13.5 12.4 12.5 11.2  
HR (95% CI)a 1 (ref.) 1.01 (0.75–1.34) 0.93 (0.69–1.27) 0.96 (0.67–1.39) 0.85 (0.56–1.31) 0.36
Adjusted HR (95% CI)b 1 (ref.) 1.04 (0.78–1.38) 0.98 (0.72–1.33) 1.05 (0.72–1.51) 0.92 (0.60–1.43) 0.74
Multivariate HR (95% CI)c 1 (ref.) 1.00 (0.74–1.34) 0.92 (0.66–1.27) 1.03 (0.70–1.52) 0.87 (0.55–1.39) 0.61
  1. Abbreviations: CI, confidence intervals; HR, hazard ratio; ref., reference; SUN, Seguimiento University of Navarra.
  2. aUnadjusted model.
  3. bAdjusted for age and gender.
  4. cAdjusted for age, gender, total energy intake, BMI, physical activity, alcohol, family history of hypertension, sodium intake, low-fat dairy intake, whole grains intake, fish intake and smoking.