Table 2.

Distribution of Diagnostic Intervals for Predictor Variables by Median Days and for a Percentage Greater Than 60 Days

Characteristics	Diagnostic Interval
Characteristics	Median days (interquartile range)	P Value^*	Percentage of >60 days	P Value^†
Age categories
<40	31.0 (18–57)		23.6
40–49	36.0 (22–64)	.501	25.5	.712
50–64	39.5 (17–66)		29.3
≥65	35.0 (22–62)		25.9
Race/ethnicity
Black	35.0 (18–66)		28.5
Hispanic	35.5 (22–57)	.797	21.7	.270
White	38.0 (10–72)		36.0
Other	41.0 (23–62)		24.6
Insurance
Uninsured	38.0 (24–64)		26.8
Medicaid	31.0 (16–78)	.002	31.2	.003
Medicare	36.0 (23–68)		30.6
Private	27.0 (13–45)		9.2
Primary care physician
FM	23.0 (15–43)		10.0
IM	35.0 (19–59)	.003	22.8	.014
OB-GYN	45.0 (22–72)		30.5
Other/none	35.5 (22–69)		30.4
Marital status
Married	38.0 (23–59)		24.5
Previously married^‡	36.0 (23–63)	.673	26.9	.917
Single	35.0 (18–64)		25.8
Employment status
Employed^§	36.0 (19–58)	.364	21.2	.063^**
Unemployed	37.0 (21–65)		28.4
Smoking status
Current	35.0 (15–63)	.894	25.5	.643
Former	31.0 (21–56)		19.1
Never	35.0 (19–57)		21.8
Personal history of breast cancer
No	36.0 (20–63)	.692	26.0	.578^**
Yes	26.0 (15–136)		26.7
Family history of breast cancer
No	36.0 (21–59)	.667	24.6	.118^**
Yes	36.0 (17–67)		30.6
Patient felt lump
No	42.0 (26–66)	<.001	29.8	.030^**
Yes	28.0 (14–56)		22.3
Clinician felt lump
No	42.5 (24–65)	.001	29.7	.091^**
Yes	32.0 (16–58)		24.0
Pathology result
Benign	39.0 (24–66)	<.001	29.5	<.001^**
Cancer	20.0 (7–44)		13.3