Table 4.

Univariate and Multivariate Logistic Regression of Predictors of Adherence to National Comprehensive Cancer Network Treatment Guidelines Among Patients With Endometrial Carcinoma Between 2006 and 2015 in the SEER (Surveillance, Epidemiology, and End Results) Database (N=83,883)

	Model 1	Model 2	Model 3
Characteristic	Unadjusted OR (95% CI)		Adjusted OR (95% CI)
Race-ethnicity
White	Referent		Referent
Black	0.88 (0.83–0.92)*		0.89 (0.84–0.94)*
Latina	0.79 (0.75–0.82)*		0.92 (0.88–0.96)*
Asian	1.08 (1.03–1.15)†		1.14 (1.08–1.21)*
Native Hawaiian or Pacific Islander	1.01 (0.89–1.15)		1.19 (1.04–1.35)†
American Indian or Alaska Native	0.73 (0.62–0.87)*		0.82 (0.69–0.98)†
Neighborhood SES
Highest		Referent	Referent
High-middle		0.89 (0.85–0.93)*	0.89 (0.86–0.93)*
Middle		0.83 (0.80–0.87)*	0.84 (0.80–0.88)*
Low-middle		0.80 (0.77–0.83)*	0.82 (0.78–0.86)*
Lowest		0.73 (0.70–0.76)*	0.73 (0.69–0.77)*
Age at diagnosis (y)
Younger than 54			Referent
54–61			1.37 (1.32–1.43)*
62–68			1.54 (1.47–1.61)*
69 or older			1.33 (1.27–1.38)*
Stage at diagnosis
I			Referent
II			2.06 (1.93–2.21)*
III			2.14 (2.04–2.26)*
IV			0.31 (0.29–0.33)*
Histology
Endometroid carcinomas			Referent
Other carcinomas			0.56 (0.54–0.58)*
Grade
1, well differentiated			Referent
2, moderately differentiated			2.58 (2.48–2.68)*
3, poorly differentiated			3.45 (3.28–3.64)*
4, undifferentiated; anaplastic			3.25 (3.00–3.53)*
Unknown			1.48 (1.42–1.54)*
Year of diagnosis			0.99 (0.98–0.99)*

SES, socioeconomic status.

Model 1 includes only race and ethnicity, model 2 includes only neighborhood SES, and model 3 includes race and ethnicity, neighborhood SES, and all demographic and clinical covariates (age at diagnosis, stage at diagnosis, histology, grade, and year of diagnosis).

^*P<.001.

^†P< .05.