Table 3.

Multivariate Analysis, Factors Associated with Annual Mammography

	Had annual mammography
	First year following surgery	3 years following surgery	5 years following surgery
	OR (95% CI)
Race/ethnicity
White	Ref.	Ref.	Ref.
Black	0.74 (0.55–0.99)	0.66 (0.50–0.86)	0.80 (0.57–1.12)
Hispanic	0.65 (0.46–0.93)	0.83 (0.58–1.17)	0.88 (0.58–1.34)
Age at diagnosis
65–70	Ref.	Ref.	Ref.
71–75	0.92 (0.74–1.13)	0.80 (0.67–0.95)	0.71 (0.59–0.85)
76–80	0.83 (0.67–1.04)	0.60 (0.50–0.72)	0.55 (0.45–0.68)
81–85	0.65 (0.50–0.85)	0.43 (0.32–0.59)	0.37 (0.07–1.80)
Eligible for state buy-in insurance	0.55 (0.44–0.68)	0.52 (0.43–0.64)	0.43 (0.34–0.55)
Treatment
BCS with RT	Ref.	Ref.	Ref.
BCS alone	0.41 (0.34–0.51)	0.58 (0.49–0.68)	0.67 (0.55–0.82)
Mastectomy	0.39 (0.32–0.48)	0.62 (0.53–0.74)	0.80 (0.66–0.96)
Out-patient visits
Did not see MD each year	Ref.	Ref.	Ref.
PCP only each year	6.85 (5.60–8.37)	2.35 (1.99–2.77)	2.01 (1.68–2.39)
Cancer specialist only each year	8.82 (6.30–12.3)	9.28 (6.70–12.9)	7.41 (4.94–11.1)
PCP and cancer specialist each year	12.4 (3.83–40.1)	8.86 (7.16–11.0)	4.93 (3.87–6.27)
Area characteristics
% Black
Low	Ref.	Ref.	Ref.
Middle	0.94 (0.77–1.16)	0.88 (0.74–1.04)	0.85 (0.70–1.03)
High	0.80 (0.65–0.99)	0.89 (0.74–1.08)	1.00 (0.81–1.24)
% Hispanic
Low	Ref.	Ref.	Ref.
Middle	0.77 (0.63–0.95)	0.87 (0.73–1.03)	1.03 (0.85–1.25)
High	0.85 (0.69–1.05)	0.82 (0.69–0.98)	0.95 (0.78–1.15)
Median income
Low	Ref.
Middle	0.91 (0.75–1.11)	1.07 (0.90–1.27)	1.12 (0.91–1.36)
High	1.04 (0.83–1.30)	1.13 (0.94–1.37)	0.89 (0.72–1.10)
Hospitals with mammography facilities
Low	Ref.
Middle	1.24 (1.02–1.51)	1.10 (0.93–1.30)	1.09 (0.90–1.33)
High	1.08 (0.88–1.33)	1.02 (0.85–1.23)	1.18 (0.95–1.46)

All models also adjusted for comorbidity, year of diagnosis, marital status, whether the subject was an HMO member or did not have Medicare at any time in the 13 months prior to diagnosis