Table 1. Distribution of selected demographic variables and risk factors in EGJA cases and controls.

Variable	Overall Cases (n = 1,063)		Overall Controls (n = 1,677)		Pa
	n	%	n	%
Age (years)	64.19 (±8.63)		63.91 (±10.22)		0.451
Age (years)					0.165
< 64	494	46.47	825	49.19
≥64	569	53.53	852	50.81
Sex					0.909
Male	759	71.40	1194	71.20
Female	304	28.60	483	28.80
Smoking status					< 0.001
Never	773	72.72	1323	78.89
Ever	290	27.28	354	21.11
Alcohol use					< 0.001
Never	908	85.42	1507	89.86
Ever	155	14.58	170	10.14

^a Two-sided χ² test and Student t test.