Table 2.

Characteristics of clusters of significantly higher odds ratios of aggressive prostate cancer after adjustment for age at diagnosis only (baseline model).

	Outside clusters (N = 69,249)	Altoona (N = 489)	Philadelphia (N = 3999)	Pittsburgh (N = 8843)	Overall (N = 82,580)
Odds ratio
Median [Min, Max]	0.93 [0.64, 1.54]	1.43 [1.36, 1.46]	1.21 [1.14, 1.29]	1.29 [1.17, 1.68]	0.97 [0.64, 1.68]
Age
Median [Min, Max]	65.0 [31.0, 105]	68.0 [43.0, 96.0]	64.0 [37.0, 94.0]	66.0 [37.0, 105]	65.0 [31.0, 105]
Race
White	62,825 (90.7%)	475 (97.1%)	1536 (38.4%)	7687 (86.9%)	72,523 (87.8%)
Black	5889 (8.5%)	13 (2.7%)	2394 (59.9%)	1131 (12.8%)	9427 (11.4%)
Native	28 (0.0%)	1 (0.2%)	3 (0.1%)	1 (0.0%)	33 (0.0%)
Asian	507 (0.7%)	0 (0%)	66 (1.7%)	24 (0.3%)	597 (0.7%)
Insurance
Private	33,835 (48.9%)	181 (37.0%)	1693 (42.3%)	4923 (55.7%)	40,632 (49.2%)
Not insured/self-pay	344 (0.5%)	4(0.8%)	15 (0.4%)	46 (0.5%)	409 (0.1%)
Medicaid	1356 (2.0%)	13 (2.7%)	419 (10.5%)	260 (2.9%)	2048 (2.5%)
Medicare	28,370 (41.0%)	250 (51.1%)	1586 (39.7%)	3115 (35.2%)	33,321 (40.3%)
Military	560 (0.8%)	6 (1.2%)	15 (0.4%)	26 (0.3%)	607 (0.7%)
Unknown	4784 (6.9%)	35 (7.2%)	271 (6.8%)	473 (5.3%)	5563 (6.7%)
Poverty level
< 4.99%	23,128 (33.4%)	53 (10.8%)	74 (1.9%)	2237 (25.3%)	25,492 (30.9%)
< 9.99%	22,831 (33.0%)	177 (36.2%)	329 (8.2%)	2943 (33.3%)	26,280 (31.8%)
< 19.99%	16,876 (24.4%)	125 (25.6%)	919 (23.0%)	2156 (24.4%)	20,076 (24.3%)
> 20%	6414 (9.3%)	134 (27.4%)	2677 (66.9%)	1507 (17.0%)	10,732 (13.0%)
County-level water quality (EQI)
Very high	32,923 (47.5%)	0 (0%)	3999 (100%)	0 (0%)	36,922 (44.7%)
High	13,336 (19.3%)	0 (0%)	0 (0%)	0 (0%)	13,336 (16.1%)
Average	12,272 (17.7%)	0 (0%)	0 (0%)	6589 (74.5%)	18,861 (22.8%)
Low	6510 (9.4%)	489 (100%)	0 (0%)	2254 (25.5%)	9253 (11.2%)
Very low	4208 (6.1%)	0 (0%)	0 (0%)	0 (0%)	4208 (5.1%)
Employment
Median [Min, Max]	0.42 [0, .92]	0.36 [0, 0.47]	0.78 [0, 1.40]	0.52 [0, 0.95]	0.44 [0, 1.40]