Table 2.

Sociodemographics, comorbidities, life time habits and APOE genotype.

			CNn=80	CINDn=39	Dementian=55	CIn=94	Analysis 1p-value	Analysis 2p-value
Gender (M/F)			27/53	11/28	14/41	25/69	ns	ns
Life time occupation category (%)	1- rural unskilled manual worker		41.8	59.0	38.8	47.7	ns	ns
	2- urban unskilled manual workera,b		19.0	0	13.0	7.6	0.02	0.047
Socioeconomic level	C		15.9	18.9	15.4	17.1	ns	ns
	D		66.7	48.6	69.2	59.2	ns	ns
	E		17.4	32.4	15.4	23.7	ns	ns
Comorbidity (%)	Diabetes mellitus		19.2	13.2	20.0	17.0	ns	ns
	Hypertension		77.5	74.4	78.4	76.7	ns	ns
	Reported stroke or TIAb,c		10.0	5.1	31.7	16.7	0.006	ns
	Reported MI		3.8	5.1	6.1	5.7	ns	ns
	Reported cancer		8.9	5.1	2.0	3.4	ns	ns
	Reported depression		15.0	13.2	16.0	14.8	ns	ns
	Current depressive disorder		15.0	15.4	15.7	15.6	ns	ns
Life time habits (%)	Smoking habit	current	9.3	7.9	16.0	12.5	ns	ns
		any time	39.7	36.8	35.6	36.1	ns	ns
	Drinking habit*	current	10.9	7.9	7.3	7.6	ns	0.075
		any time	57.1	28.9	33.3	33.7	0.10	0.07
	Physical activity habit	currentb,c	19.2	18.4	0	8.2	0.006	0.079
		any time	22.9	12.8	21.6	16.7	ns	ns
	APO-e4 allele carrier (n=78)		24.4	23.8	43.8	32.4	ns	ns

CN: cognitively normal; CIND: cognitive impairment no-dementia; CI: dementia+CIND combined group; Analysis 1: comparison among groups; Analysis 2; comparison between CN and CI groups. TIA: Transient ischemic attack; MI: Myocardial infarction;

^aCN ≠ CIND;

^bCIND ≠ Dementia;

^cDementia ≠ CN.

^*Only one participant reported features consistent with alcohol abuse.