Table 2.

Demographic comparison between individuals classified as urban and rural at both the established cut-point and at the data-driven cut-point (concordant) and those classified as rural by the data-driven cut-point only (discordant).

	RUCC			NCHS			IRR
	Concordant	Discordant	p-value	Concordant	Discordant	p-value	Concordant	Discordant	p-value
Total, n (%)	18517 (69.65)	8070 (30.35)		19569 (73.60)	7018 (26.40)		15888 (59.76)	10699 (40.24)
Age at diagnosis, n (%)			0.01			0.08			0.06
20-44	1154 (6.23)	471 (5.84)		1213 (6.20)	412 (5.87)		994 (6.26)	631 (5.90)
45-54	2887 (15.59)	1204 (14.92)		3032 (15.49)	1059 (15.09)		2483 (15.63)	1608 (15.03)
55-64	4914 (26.54)	2181 (27.03)		5194 (26.54)	1901 (27.09)		4171 (26.25)	2924 (27.33)
65-74	5237 (28.28)	2404 (29.79)		5586 (28.55)	2055 (29.28)		4486 (28.2)	3155 (29.49)
75-84	3371 (18.20)	1379 (17.09)		3542 (18.10)	1208 (17.21)		2904 (18.28)	1846 (17.25)
85+	954 (5.15)	431 (5.34)		1002 (5.12)	383 (5.46)		850 (5.35)	535 (5.00)
Sex, n (%)			0.54			0.56			0.62
Male	9299 (50.22)	4086 (50.63)		9831 (50.24)	3554 (50.64)		7979 (50.22)	5406 (50.53)
Female	9218 (49.78)	3984 (49.37)		9738 (49.76)	3464 (49.36)		7909 (49.78)	5293 (49.47)
Race, n (%)			<0.001			<0.001			<0.001
White	13017 (70.30)	6251 (77.46)		13938 (71.22)	5330 (75.95)		10985 (69.14)	8283 (77.42)
Black	2326 (12.56)	897 (11.12)		2398 (12.25)	825 (11.76)		2232 (14.05)	991 (9.26)
Hispanic	1703 (9.20)	620 (7.68)		1737 (8.88)	586 (8.35)		1373 (8.64)	950 (8.88)
Other	1471 (7.94)	302 (3.74)		1496 (7.64)	277 (3.95)		1298 (8.17)	475 (4.44)
Stage at diagnosis, n (%)			0.51			0.83			0.23
Early	14837 (80.13)	6438 (79.78)		15653 (79.99)	5622 (80.11)		12752 (80.26)	8523 (79.66)
Late	3680 (19.87)	1632 (20.22)		3916 (20.01)	1396 (19.89)		3136 (19.74)	2176 (20.34)