Table 3.

Adjusted odds of receiving a pneumococcal vaccine among long-term colorectal cancer survivors (Surveillance, Epidemiology, and End Results-Medicare 2000 to 2011; N=32,501).

Characteristic and category		Receipt of pneumococcal vaccination
		Adjusted odds ratio	95% CI	P value
Hispanic/Latino (SEERa-North American Association of Cancer Registries Hispanic Identification Algorithm identity)
	No	Refb	—c	—
	Yes	0.888	0.798-0.990	.032
Age at diagnosis (years)
	66-69	Ref	—	—
	70-74	1.14	1.063-1.222	<.001
	75-79	1.055	0.984-1.132	.13
	80-84	0.991	0.920-1.068	.82
	>85	0.848	0.780-0.923	<.001
Charlson Comorbidity Score
	0	Ref	—	—
	1	1.344	1.274-1.418	<.001
	2	1.47	1.348-1.602	<.001
	3 or more	1.437	1.262-1.636	<.001
Marital status
	Single	Ref	—	—
	Married	1.148	1.049-1.255	.003
	Divorced	0.967	0.853-1.096	.60
	Other	1.004	0.914-1.101	.94
Urban status
	Urban or Metro	1.298	1.206-1.397	<.001
	Rural	Ref	—
Census tract federal poverty level (%)
	0 to <5	1.307	1.213-1.408	<.001
	5 to <10	1.181	1.100-1.267	<.001
	10 to <20	1.108	1.033-1.189	.004
	20 to 100	Ref	—	—
Gender
	Male	Ref	—	—
	Female	1.139	1.086-1.194	<.001
Tumor stage at diagnosis
	Local	Ref	—	—
	Regional	0.941	0.898-0.985	.009
	Distant	0.856	0.746-0.982	.03
	Unstaged	0.779	0.664-0.914	.002
SEER registry region
	San Francisco	0.964	0.851-1.086	.56
	Connecticut	1.020	0.930-1.120	.67
	San Jose	1.220	1.046-1.421	.01
	Los Angeles	1.036	0.943-1.138	.46
	Greater California	1.039	0.972-1.110	.26
	New Jersey	1.000	0.936-1.069	>.99
	New Mexico	1.312	1.127-1.526	<.001
	All Others	Ref	—	—

^aSEER: Surveillance, Epidemiology, and End Results.

^bServes as reference group, adjusted odds ratio not applicable.

^cNot applicable.