Table 1.

Basic demographic characteristics and lifestyle of the studied population.

		Positive family history of UGI cancer (n=1450)	%	No family history of UGI cancer (n=1848)	%	P value
Community						0.118
	Yaocun	411	28.34	492	26.62
	Runcun	541	37.31	657	35.55
	Donggang	498	34.34	699	37.82
Gender						0.849
	Male	633	43.66	814	44.05
	Female	817	56.34	1034	55.95
Age		52.87 ± 7.52		53.00 ± 7.45		0.614
BMI		20.37 ± 2.26		20.33 ± 2.32		0.635
Education level						0.036*
	Never	594	40.96	809	43.78
	Not graduating from primary school	421	29.03	560	30.30
	Primary school	137	9.45	131	7.09
	Technical secondary school	81	5.59	80	4.33
	Other	217	14.97	268	14.50
Number of siblings						0.014*
	<2	208	14.34	333	18.02
	2-4	942	64.97	1167	63.15
	>4	300	20.69	348	18.83
Smoking						0.392
	yes	431	29.72	523	28.30
	no	1019	70.28	1325	55.14
Alcohol drinking						0.275
	yes	283	19.52	332	17.96
	no	1167	80.48	1516	82.03
Fresh fruit intake (times/year)						0.003*
	0	414	28.55	595	32.20
	1-6	535	36.90	712	38.53
	7-12	201	13.86	197	10.66
	>12	300	20.69	344	18.61
Fresh vegetable intake (times/year)						0.002*
	0-Q1	69	4.76	100	5.41
	Q1-Q2	376	25.93	539	29.17
	Q2-Q3	320	22.07	436	23.59
	>Q3	685	47.24	773	41.83
Hot beverage intake (times/year)						0.010*
	0-Q1	482	33.24	663	35.88
	Q1-Q2	473	32.62	632	34.20
	Q2-Q3	236	16.28	285	15.42
	>Q3	259	17.86	268	14.50
Edible oil intake (times/year)						0.002*
	0	57	3.93	95	5.14
	1-6	530	36.55	750	40.58
	7-12	479	33.03	566	30.63
	>12	384	26.48	437	23.65
Meat intake (times/year)						0.012*
	0	152	10.48	185	10.01
	1-6	632	43.59	877	47.46
	7-12	483	33.31	648	35.06
	>12	183	12.62	138	7.47
Moldy staple food intake (times/year)						0.032*
	0	1142	78.76	1509	81.66
	1-6	132	9.10	155	8.39
	7-12	108	7.45	114	6.17
	>12	68	4.69	70	3.79

P<0.05* was considered statistically significant. Q1\Q2\Q3 represent the first, second, third quartile respectively.

UGI, Upper gastrointestinal cancer; BMI, Body Mass Index.