Table 1. General characteristics of participants in the CEERCC Study.

	Among All Participants					Among Genotyped Participant
Variables	Cases		Controls			Cases		Controls
	N	%	N	%	p-value	N	%	N	%	p-value
Participants	1,097	42.6	1,476	57.4		777	42.9	1,035	57.1
Sex
Males	648	59.1	952	64.5		472	60.7	648	62.6
Females	449	40.9	524	35.5	0.01	305	39.3	387	37.4	0.42
Age at Interview
<45	86	7.8	122	11.1		60	7.7	83	8.0
45–54	278	25.3	379	34.5		197	25.4	287	27.7
55–64	335	30.5	460	41.9		243	31.3	309	29.9
65–74	353	32.2	452	41.2		242	31.1	318	30.7
75+	45	4.1	63	5.7	0.50	35	4.5	38	3.7	0.30
Mean Age (std)	59.6 yrs. (10.3)		59.3 yrs. (10.3)			59.5 yrs. (10.4)		59.0 yrs. (10.2)
Center
Romania-Bucharest	95	8.7	160	10.8		68	8.8	94	9.1
Poland-Lodz	99	8.7	198	13.4		80	8.7	189	18.3
Russia-Moscow	317	28.9	463	31.4		242	31.1	313	30.2
*Czech Republic	586	53.4	655	44.4	<0.001	387	49.8	439	42.4	<0.001
BMI at Interview
<25	327	29.8	532	36.0		222	28.6	375	36.3
25–29.9	476	43.4	620	42.0		330	42.5	432	41.9
30+	294	26.8	324	22.0	<0.001	225	29.0	225	21.8	<0.001
Tobacco Status
Never	510	46.6	599	40.7		359	46.4	420	40.7
Ever	584	53.4	874	59.3	0.003	415	53.6	613	59.3	0.02
Hypertension
No	600	54.7	906	61.4		434	55.9	638	61.7
Yes	496	45.3	569	38.6	0.001	342	44.1	396	38.3	0.01
Familial History of Cancer Among 1st Degree Relatives
No	733	66.8	1,074	72.8		512	65.9	745	72.0
Yes	364	33.2	402	27.2	0.001	265	34.1	290	28.0	0.01

^*Brno, Olomouc, Prague, Ceske-Budejovice.