Synergistic Effects of Aldehyde Dehydrogenase 2 Polymorphisms and Alcohol Consumption on Cognitive Impairment after Ischemic Stroke in Han Chinese

Table 1

Demographics of the study participants.

Characteristics	ALDH2 genotypes		/chi square	value
	()	()
Age (years)			1.490	0.138
Males, (%)	38 (43.7%)	49 (52.7%)	8.536	0.003
Education			7.013	0.071
<6 years	18 (20.7%)	22 (23.7%)
6-9 years	27 (31.0%)	19 (20.4%)
9-12 years	21 (24.1%)	37 (39.8%)
>12 years	21 (24.1%)	15 (16.1%)
Alcohol consumption			12.464	0.006
Nondrinkers	12.6%	21.5%
Light drinkers	8.0%	22.6%
Moderate drinkers	36.8%	30.1%
Excessive drinkers	42.5%	25.8%

Continuous variables are expressed as the when normally distributed, and categorical variables are expressed as percentages.