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

BMC Psychiatry

Table 5 Association of body mass index change with amnestic and non-amnestic mild cognitive impairment risk according to baseline body mass index level

	aMCI (n)	Control (n)	aMCI vs Control OR (95%CI) ^{a, b}	naMCI (n)	Control (n)	naMCI vs Control OR (95%CI) ^{a, b}
Underweight at baseline
Stable BMI ^a	10	4	Reference	3	4	Reference
Increased BMI	1	5	0.27 (0.09 ~ 1.51)	1	5	0.43 (0.09 ~ 2.86)
Normal weight at baseline
Stable BMI	51	231	Reference	73	222	Reference
Increased BMI	12	26	1.80 (1.10 ~ 3.05)	17	24	1.71 (1.16 ~ 2.59)
Decreased BMI	24	10	3.96 (2.88 ~ 5.49)	10	21	1.35 (0.79 ~ 2.27)
Overweight or obese at baseline
Stable BMI	120	155	Reference	112	162	Reference
Increased BMI	20	21	1.17 (0.85 ~ 1.62)	10	25	0.81 (0.52 ~ 1.41)
Decreased BMI	2	28	0.19 (0.09 ~ 0.63)	14	17	1.17 (0.80 ~ 1.78)

^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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