Association of body mass index with amnestic and non-amnestic mild cognitive impairment risk in elderly

BMC Psychiatry

Table 4 Association of body mass index with amnestic and non-amnestic mild cognitive impairment risk

	aMCI (n)	Control (n)	aMCI vs Control OR (95%CI) ^{a, b}	naMCI (n)	Control (n)	naMCI vs Control OR (95%CI) ^{a, b}
BMI at baseline ^a
Normal weight	87	267	Reference	100	267	Reference
Underweight	11	9	2.30 (1.50 ~ 3.52)	4	9	1.19 (0.55 ~ 2.66)
Overweight	77	110	1.74 (1.36 ~ 2.20)	73	110	1.51 (1.20 ~ 1.92)
Obese	65	94	1.71 (1.32 ~ 2.22)	63	94	1.52 (1.21 ~ 1.97)
BMI change
Stable	181	392	Reference	188	392	Reference
Increased	33	52	1.27 (0.97 ~ 1.70)	28	52	1.11 (0.81 ~ 1.55)
Decreased	26	38	1.35 (0.99 ~ 1.85)	24	38	1.23 (0.89 ~ 1.72)

^a BMI body mass index, aMCI amnestic mild cognitive impairment, naMCI non-amnestic mild cognitive impairment, OR odds ratio, CI confidence interval
^b Multivariable logistic regression analysis was adjusted by gender, age, race, education level, medication history, apolopoprotein E4 carrier, onset of type 2 diabetes mellitus, hypertension, coronary heart disease and metabolism syndrome

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