Vitamin D Pathway Genes, Diet, and Risk of Renal Cell Carcinoma

Table 1

General characteristics of genotyped participants.

	Genotyped participants
Variables	Cases		Controls
	N	%	N	%	^†P-value
Participants	777	42.9	1,035	57.1
Sex
Males	472	60.7	648	62.6
Females	305	39.3	387	37.4	.42
Age at Interview
<45	60	7.7	83	8.0
45–54	197	25.4	287	27.7
55–64	243	31.3	309	29.9
65–74	242	31.1	318	30.7
75+	35	4.5	38	3.7	.30
Mean age (std)	59.5 years (10.4)		59.0 years (10.2)
Center
Romania-Bucharest	68	8.8	94	9.1
Poland-Lodz	80	10.3	189	18.3
Russia-Moscow	242	31.1	313	30.2
∗Czech Republic	387	49.8	439	42.4	<.001
BMI at Interview
<25	222	28.6	375	36.3
25–29.9	330	42.5	432	41.9
30+	225	29.0	225	21.8	<.001
Tobacco status
Never	359	46.4	420	40.7
Ever	415	53.6	613	59.3	.02
Hypertension
No	434	55.9	638	61.7
Yes	342	44.1	396	38.3	.01
Familial history of cancer Among 1st degree relatives
No	512	65.9	745	72.0
Yes	265	34.1	290	28.0	.01

∗ Brno, Olomouc, Prague, Ceske-Budejovice; ^† Crude P-values.