Table 5.

Adjusted Odds Ratios for Adherence to Guidelines

Variable	Greater Than Recommended Oncology Visits		Less Than Recommended Mammograms		Greater Than Recommended Imaging for Metastatic Disease
	OR	95% CI	OR	95% CI	OR	95% CI
Age group, years
≤ 49	Reference		Reference		Reference
50-64	0.81	0.72 to 0.88	0.86	0.79 to 0.94	0.96	0.90 to 1.03
65-79	0.73	0.67 to 0.80	1.18	1.07 to 1.29	0.97	0.90 to 1.04
≥ 80	0.88	0.73 to 1.05	3.49	2.96 to 4.10	0.82	0.73 to 0.93
Income quintile
1	Reference		Reference		Reference
2	1.00	0.89 to 1.11	0.98	0.88 to 1.10	0.96	0.88 to 1.05
3	0.95	0.85 to 1.07	0.92	0.82 to 1.04	1.00	0.92 to 1.10
4	0.98	0.88 to 1.09	0.89	0.80 to 1.00	1.04	0.95 to 1.13
5	0.91	0.82 to 1.02	0.95	0.85 to 1.06	0.95	0.87 to 1.03
Rural v urban	0.91	0.82 to 1.01	1.11	1.01 to 1.23	0.92	0.86 to 1.00
Comorbidity
0	Reference		Reference		Reference
1	1.00	0.81 to 1.23	1.41	1.17 to 1.71	1.19	1.04 to 1.36
2	1.15	0.71 to 1.88	1.56	1.07 to 2.26	1.42	1.08 to 1.87
3+	1.02	0.60 to 1.72	3.05	1.68 to 5.55	1.52	1.10 to 2.11
Surgery type
Lumpectomy	Reference		Reference		Reference
Mastectomy	1.29	1.18 to 1.41	1.39	1.27 to 1.52	1.20	1.12 to 1.28
Physician type
Oncology only	Reference		Reference		Reference
PCP only		–	2.02	1.73 to 2.35	1.23	1.07 to 1.42
PCP + single oncologist	0.24	0.21 to 0.28	0.76	0.66 to 0.87	1.63	1.46 to 1.83
PCP + multiple oncologists	1.89	1.67 to 2.13	0.52	0.45 to 0.60	2.31	2.06 to 2.59
Low GP/FP UPC v high	1.06	0.99 to 1.14	1.07	1.00 to 1.16	1.04	0.99 to 1.10
Low Oncologist UPC v high	1.28	1.16 to 1.41	1.06	0.97 to 1.15	1.03	0.97 to 1.10

NOTE. Boldface indicates statistically significant values.

Abbreviations: OR, odds ratio; PCP, primary care physician; GP/FP, general practitioner/family practice; UPC, Usual Provider Continuity index.