Table 6.

Multivariate logistic regression analysis for sociodemographic factors associated with the presence of metastasis at diagnosis for cases of invasive melanoma.

Factors	OR	95% CI	p-Value
Age	1.01	1.00–1.01	<0.001
Female vs. Male	0.72	0.7–0.74	<0.001
Race
African Americans vs. Caucasians	2.37	2.11–2.67	<0.001
Others vs. Caucasians	1.06	0.95–1.17	0.313
Invasive melanoma subtype
Ocular vs. Cutaneous	0.37	0.33–0.41	<0.001
Mucosal vs. Cutaneous	2.46	2.28–2.66	<0.001
Charlson Deyo score
1 vs. 0	1.43	1.37–1.49	<0.001
2 vs. 0	2.05	1.91–2.2	<0.001
3 vs. 0	3.48	3.16–3.83	<0.001
Socioeconomic Status: Median household income for patient’s zip code
40,227–50,353 (level 2) vs. <40,227 (level 1)	1.03	0.96–1.1	0.372
50,354–63,332 (level 3) vs. <40,227 (level 1)	0.99	0.93–1.06	0.785
>46,000 to >63,333 (level 4) vs. <40,227 (level 1)	0.97	0.91–1.05	0.476
Number of adults in the patient’s zip code who did not graduate from high school
20–28.9% vs. >29%	0.91	0.85–0.96	<0.001
14–18.9% vs. >29%	0.83	0.78–0.89	<0.001
<14% vs. >29%	0.75	0.71–0.81	<0.001
Treating Facility Type
Academic/research program vs. Community cancer program	0.76	0.74–0.79	<0.001
Integrated network cancer program vs. Community cancer program	1.01	0.97–1.06	0.65
Insurance Status
Private insurance vs. Not insured	0.35	0.32–0.37	<0.001
Medicaid vs. Not insured	1.26	1.15–1.39	<0.001
Medicare or other government insurance vs. Not insured	0.44	0.4–0.47	<0.001
Geographical location
West vs. North East	1.09	1.04–1.15	<0.001
Midwest vs. North East	1.01	0.97–1.06	0.53
South vs. North East	1.06	1.01–1.1	0.01