Table 1.

Descriptive statistics for the non-Probability Weighted (non-PW) and Probability Weighted (PW) sample

	non-PW sample (probability weight not applied to observations)				PW sample (probability weight applied to observations)
	Pre-expansion	Post-expansion	p		Pre-expansion	Post-expansion	p
n	6088	6672			1968	2134
Cancer Site			0.53				0.42
Breast	2017 (33.1)	2130 (31.9)			622 (31.6)	640 (30.0)
Cervical	359 (5.9)	394 (5.9)			117 (6.0)	134 (6.3)
Colorectal	1195 (19.6)	1342 (20.1)			385 (19.6)	427 (20.0)
Lung	2517 (41.3)	2806 (42.1)			844 (42.9)	932 (43.7)
Sex			0.58				0.47
Female	4147 (68.1)	4513 (67.6)			1334 (67.8)	1432 (67.1)
Male	1941 (31.9)	2159 (32.4)			633 (32.2)	702 (32.9)
Age at Diagnosis			<0.01				<0.01
30 – 39	413 (6.8)	459 (6.9)			125 (6.3)	148 (6.9)
40 – 49	1335 (21.9)	1313 (19.7)			424 (21.6)	405 (19.0)
50 – 59	2914 (47.9)	3197 (47.9)			965 (49.0)	1034 (48.4)
60 – 64	1426 (23.4)	1703 (25.5)			454 (23.1)	548 (25.7)
Race			0.31				0.09
White (%)	4662 (76.6)	5104 (76.5)			1351 (68.7)	1456 (68.2)
Black (%)	1281 (21.0)	1434 (21.5)			575 (29.2)	645 (30.2)
All Others (%)	145 (2.4)	134 (2.0)			42 (2.1)	33 (1.6)
Ethnicity			<0.01				0.01
Non - Hispanic (%)	5883 (96.6)	6497 (97.4)			1895 (96.3)	2073 (97.2)
Hispanic	88 (1.4)	103 (1.5)			37 (1.9)	39 (1.8)
Unknown (%)	117 (1.9)	72 (1.1)			36 (1.8)	22 (1.0)
Marital Status			0.27				0.78
Married/Partnered (%)	1874 (30.8)	1993 (29.9)			513 (26.1)	552 (25.8)
All Others (%)	4214 (69.2)	4679 (70.1)			1454 (73.9)	1582 (74.2)
Income as percent of federal poverty level			0.52
Less than 100 (%)	538 (8.8)	567 (8.5)			379 (19.2)	403 (18.9)
100 or more (%)	5550 (91.2)	6105 (91.5)			1589 (80.8)	1731 (81.1)
Probability weights			0.34				-
Mean (SD)	0.32 (0.20)	0.32 (0.20)			-	-