The cost burden of oral, oral pharyngeal, and salivary gland cancers in three groups: commercial insurance, medicare, and medicaid

Jacobson, Jed J; Epstein, Joel B; Eichmiller, Frederick C; Gibson, Teresa B; Carls, Ginger S; Vogtmann, Emily; Wang, Shaohung; Murphy, Barbara

doi:10.1186/1758-3284-4-15

Table 1 Characteristics of patients with OC/OP/SG cancer and matched comparison group

From: The cost burden of oral, oral pharyngeal, and salivary gland cancers in three groups: commercial insurance, medicare, and medicaid

	Commercial Database			Medicare Supplemental Database			Medicaid Database
	OC/OP/SG Cancer	Matched Comparison group	P-Value^A	OC/OP/SG Cancer	Matched Comparison group	P-Value^A	OC/OP/SG Cancer	Matched Comparison group	P-Value^A
Number of patients	3,918	3,918		2,303	2,303		585	585
Age in Years	53.42	52.77	<0.001	74.51	74.34	0.392	53.36	52.52	0.148
Age Group
18-34	3.2	3.6	0.643	0.0	0.0	0.673	3.8	4.8	0.776
35-44	8.9	8.8		0.0	0.0		9.9	8.7
45-54	34.9	34.1		0.2	0.4		36.6	37.9
55-64	53.0	53.5		1.2	1.4		43.8	43.6
65-74	0.0	0.0		52.3	51.8		4.3	3.1
75-84	0.0	0.0		37.6	37.7		1.5	1.2
85+	0.0	0.0		8.7	8.7		0.2	0.7
Gender
Male	68.7	69.3	0.574	65.4	64.6	0.557	58.8	58.1	0.813
Female	31.3	30.7			34.6	35.4	41.2	41.9
Urbanicity
Urban	81.7	82.5	0.471	81.3	82.6	0.489	67.2	67.5	0.604
Rural	17.7	17.1		18.4	17.1		32.6	32.5
Missing	0.6	0.4		0.3	0.3		0.2	0
Geographic Region
Northeast	12.1	12.5	0.392	9.6	9.7	0.191	n.a
Northcentral	26.1	27.6		38.2	41.5
South	44.6	43.8		32.8	31.0
West	16.6	15.6		19.1	17.5
Unknown	0.6	0.5		0.3	0.3
Employee Relationship
Employee	69.5	69.6	0.006	78.6	79.5	0.208	n.a
Spouse	29.8	28.9		21.2	20.4
Child/dependent	0.7	1.5		0.2	0.0
Employee Classification Salaried/Hourly
Salary	19.4	20.8	0.003	23.4	23.8		n.a
Hourly	23.3	25.7		38.2	37.9
Unknown/missing	57.4	53.5		38.4	38.4
Union/non-union
Union	22.3	25.6	<0.001	40.9	40.3	0.278	n.a
Non-union	33.4	34.7		34.7	36.8
Unknown/missing	44.3	39.7			24.4	22.9
Employment
Active, full time	50.1	50.1	<0.001	1.5	1.4	0.131	n.a
Active, part time/seasonal	0.9	0.8		0.0	0.0
Retire	23.4	27.2		90.7	88.9
Other/unknown/missing	25.7	21.9		7.8	9.6
Insurance Plan Type
Comprehensive/FFS	11.6	11.5	0.522	61.4	62.7	0.540	64.4	63.2	0.671
EPO	0.6	0.5		0.0	0.0		35.6	36.8
HMO/Managed Care	16.3	15.8		7.7	8.0
POS	11.2	11.6		1.9	1.6
PPO	56.0	55.9		27.5	25.7
POS with capitation	1.3	1.7		0.0	0.0
CDHP	1.9	2.1		0.1	0.3
Missing	1.2	0.9		1.4	1.7
Year of Index Date
2005	40.6	42.7	0.155	45.5	47.7	0.225	54.5	56.1	0.739
2006	32.6	31.1		30.0	29.8		26.7	26.8
2007	26.8	26.2		24.4	22.5		18.8	17.1
Charlson Comorbidity Index (CCI)	1.67	0.31	<0.001	1.88	0.73	<0.001	2.31	0.81	<0.001
Modified CCI^B	0.21	0.20	0.2457	0.47	0.43	0.1303	0.59	0.56	0.6345
Number of psychiatric	0.12	0.11	0.414	0.06	0.05	0.128	0.50	0.53	0.633
Diagnosis Groups (PDGs)
Median Household Income in ZIP	$48,710	$48,799	0.828	$46,118	$46,708	0.128	$33,305	$32,782	0.405
Fraction College Graduates in ZIP	0.26	0.26		0.23	0.24		0.16	0.16	0.834
Race/Ethnicity	n.a			n.a
White							52.3	49.4	0.562
Black							34.7	36.2
Hispanic							0.7	14.0
Other							12.3	14.0
Medicaid Eligibility	n.a			n.a
Blinded/Disabled							82.1	82.4	0.957
Aged							4.3	3.9
Other							13.7	13.7
Medicare Eligibility	n.a			n.a
Yes							6.0	5.5	0.706
No							94.0	94.5

For sample with 1 year of follow-up in the Medical care data.
Notes
A. P-value from test of the significance of difference between the OC/OP cancer group and matched comparison group.
B. Modified CCI recalculates the CCI excluding tobacco and cancer related diagnoses.

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