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Table 3 Cox regression evaluating the association between heme iron intake and the risk of new onset diabetes

From: Heme iron intake and risk of new-onset diabetes in a Mediterranean population at high risk of cardiovascular disease: an observational cohort analysis

VARIABLES P1 HAZARD RATIO 95% Confidence interval for hazard ratio
    Lower Higher
Model 1: Heme iron 0.075 1.13 0.99 1.30
Model 2: Heme iron + 0.029 1.20 1.02 1.42
     Energy 0.210 0.98 0.94 1.01
Model 3: Heme iron + 0.037 1.30 1.02 1.66
     Energy + 0.113 0.95 0.88 1.01
     Animal protein + 0.155 0.97 0.93 1.01
     Vegetable protein + 0.320 1.02 0.99 1.05
     Fruit + 0.339 0.99 0.98 1.01
     Alcoholic beverages + 0.005 1.02 1.01 1.04
     Coffee + 0.005 0.93 0.89 0.98
     Tea + 0.665 0.98 0.89 1.08
     Calcium 0.747 1.01 0.95 1.08
  1. Last model adjusted also for age (years), gender, waist circumference (cm) (P < 0.001; Exp(B) = 1.05), education level (medium-high, low), intervention group (control, olive oil and nuts) and smoking.
  2. Heme iron (mg/day), energy intake (100 kcal/day), animal protein [meat, fish and eggs] (10 g/day), vegetables protein [cereals, legumes and nuts] (10 g/day), fruit (10 g/day), alcoholic beverages (20 cc/day), coffee (10 cc/day), tea (10 cc/day), calcium (100 mg/day).
  3. 1P-value for hazard ratio.