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

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

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

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.
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).
¹P-value for hazard ratio.

ISSN: 1471-2458