Table 1.

Demographic and Risk Factor Characteristics Among Renal Cell Carcinoma Study Subjects, by Race

	White		Black
	Cases n=856 (weighted %)	Controls n=712 (weighted %	Cases n=361 (weighted %)	Controls n=523 ( weighted %)
Study Site
Chicago	118 (15.1)	101 (16.1)	81 (21.4)	96 (21.0)
Detroit	738 (84.9)	611 (83.9)	280 (78.6)	427(79.0)
Age
20–44	106 (10.1)	93 (10.1)	41 (11.6)	86 (11.6)
45–54	185 (20.0)	145 (20.0)	102 (26.1)	125 (26.1)
55–64	255 (29.1)	205 (29.1)	117 (30.2)	145 (30.2)
65–74	211 (28.1)	196 (28.1)	82 (24.3)	133 (24.3)
75+	89 (12.7)	73 (12.7)	19 (7.9)	34 (7.9)
Gender
Men	495 (62.0)	439 (61.6)	225 (61.2)	250 (60.8)
Women	361 (38.0)	273 (38.4)	136 (38.8)	273 (39.2)
Education
Less than diploma	103 (12.7)	65 (9.4)	97 (28.1)	100 (19.1)
High School diploma	315 (36.5)	214 (30.8)	104 (28.7)	176 (33.5)
Some college	215 (24.9)	184 (25.6)	113 (30.3)	172 (32.1)
4 year degree	223 (25.9)	249 (34.2)	47 (12.8)	75 (15.3)
BMI
<25	172 (19.4)	216 (29.4)	68 (18.8)	150 (27.9)
25<30	310 (37.3)	294 (18.1)	126 (36.3)	199 (39.7)
30<35	210 (25.0)	126 (11.8)	88 (23.6)	95 (18.7)
35+	156 (17.4)	74 (9.9)	74 (19.9)	73 (13.0)
Missing	8 (0.9)	2 (0.2)	5 (1.5)	6 (0.7)
Hypertension
Never	398 (44.3)	445 (61.3)	102 (28.6)	273 (50.8)
Ever	445 (54.1)	262 (38.0)	256 (70.6)	246 (48.3)
Missing	13 (1.6)	5 (0.8)	3 (0.8)	4 (0.9)
Family History of RCC
No	823 (96.1)	697 (97.9)	342 (94.7)	514 (98.3)
Yes	33 (3.9)	15 (2.1)	19 (5.3)	9 (1.7)
Histology
Clear Cell	629 (73.4)	-	209 (57.6)	-
Papillary	82 (9.8)	-	72 (19.6)	-
Other*	99 (11.0)	-	45 (12.6)	-
Unknown	46 (5.9)	-	35 (10.2)	-
SEER Summary Stage
Local	590 (67.5)	-	250 (70.4)	-
Regional	127 (14.9)	-	27 (7.0)	-
Distant	37 (4.5)	-	20 (5.9)	-
Unknown	102 (13.1)	-	64 (16.7)	-

Note that percentages may not total to 100 due to rounding

^*Other histology includes chromophobe, cystic, and other rare RRC subtypes