Table 2.

Dietary predictors of transition from normal aging to MCI or MCD.

Predictors	MCI				MCD
	Model 1		Model 2		Model 1		Model 2
	HR (95% CI)	P	HR (95% CI)	P	HR (95% CI)	P	HR (95% CI)	P
Calcium	1.02 (0.99–1.01)	0.767	1.01 (0.89–1.15)	0.866	1.05 (0.96–1.14)	0.311	1.05 (0.96–1.14)	0.309
Iron	1.50 (1.07–2.10)	0.019	1.54 (1.03–2.29)	0.034	1.05 (0.95–1.16)	0.309	1.10 (0.87–1.37)	0.418
Magnesium	0.08 (0.02–0.47)	0.005	0.07 (0.01–0.56)	0.013	0.45 (0.21–0.96)	0.039	0.47 (0.22–0.99)	0.046
Potassium	1.09 (1.02–1.17)	0.016	1.09 (1.01–1.17)	0.028	1.05 (0.99–1.11)	0.070	1.05 (0.99–1.10)	0.107
INTERACTIONS
Sex × magnesium	2.87 (1.02–7.97)	0.046	3.41 (0.92–12.65)	0.068
Sex × iron	0.73 (0.56–0.94)	0.016	0.71 (0.52–0.97)	0.031	0.97 (0.93–0.99)	0.045

Model 1: unadjusted; Model 2: adjusted for age, sex, education, body mass index, activity level, diabetes, hypertension, depression, smoking, alcohol intake.

MCI, mild cognitive impairment; MCD, mild cognitive disorder; HR, hazard ratio; CI, confidence interval.