Table 3.

Hazard ratios for time to diagnosis and race/ethnicity among women diagnosed with breast cancer by type of initial sign/symptom

Characteristic	Age and Center Adjusted HR (95% CI)1	Multivariable Adjusted HR (95% CI) 2>
Among symptomatic women: N=12,031
Race/ethnicity*
White	1.00 (REF)	1.00 (REF)
Hispanic	0.88 (0.82, 0.95)	0.93 (0.87, 1.00)
Black	0.89 (0.84, 0.95)	0.92 (0.87, 0.98)
Asian	0.94 (0.85, 1.04)	0.95 (0.86, 1.05)
Among women with abnormal mammograms3: N=9,396
Race/ethnicity*
White	1.00 (REF)	1.00 (REF)
Hispanic	0.83 (0.74, 0.91)	0.86 (0.78, 0.95)
Black	0.77 (0.71, 0.84)	0.80 (0.73, 0.87)
Asian	0.91 (0.77, 1.03)	0.90 (0.78, 1.04)
Among all women: N=21,427
Insurance Status*
Managed care		1.00 (REF)
Medicaid		0.79 (0.74, 0.84)
Indemnity		0.97 (0.91, 1.03)
Medicare		0.92 (0.88, 0.98)
Other/unk./miss		0.89 (0.83, 0.96)
Educational status*
High school or less		1.00 (REF)
Some college		1.00 (0.97, 1.04)
College grad		1.06 (1.02, 1.10)
Graduate school		1.08 (1.04, 1.13)
Employment status^
Employed/student		1.00 (REF)
Homemaker/retired		1.01 (0.98, 1.05)
Unable to work/unemp./other		1.00 (0.95, 1.04)
Body Mass Index (kg/m2)
< 18.5		0.96 (0.86, 1.08)
18.5–25		1.00 (REF)
25–30		1.01 (0.98, 1.05)
≥ 30		1.02 (0.98, 1.05)

Note: HRs below one represent lower diagnosis rates and longer times to diagnosis; HRs above one represent higher diagnosis rates and shorter times to diagnosis

¹Age and Center. Adjusted for age at diagnosis and NCCN center;

²Multivariate Model. Adjusted for age and center plus employment status, educational status, insurance status, comorbdity score, BMI at presentation, and menopausal status at diagnosis.

³Screening mammogram only;

^*Type 3 p-value <0.0001;

^{^}Type 3 p-value <0.05;