Table 2—

Mammogram rates for case subjects with diabetes and their matched control subjects

Total (n = 1,269)Case subjects (n = 424)Control subjects (n = 845)Odds ratio (range)
Individuals screened1,048 (82.6)331 (78.1)717 (84.9)0.63* (0.47–0.85)
0.70 (0.52–0.96)
Individuals screened by  insurance status
 Medicaid/self pay15 (42.8)6 (31.6)9 (56.3)0.36 (0.09–1.43)
 Medicare531 (80.5)184 (77.6)347 (82.0)0.76 (0.51–1.13)
 Other502 (87.5)141 (83.9)361 (88.9)0.65 (0.39–1.09)
Individuals screened  by race
 Caucasian807 (84.2)250 (79.6)557 (86.5)0.61 (0.43–0.87)
 Non-Caucasian21 (56.8)11 (52.4)10 (62.5)0.66 (0.18–2.49)
 Not available220 (80.3)70 (78.7)150 (81.1)0.86 (0.46–1.61)
  • Data are n (%) unless otherwise indicated.

  • *

    * P = 0.002 (odds ratio accounts for the matching of case and control subjects by age, provider, and time of last medical visit);

  • P = 0.027 (odds ratio accounts for differences in insurance status and race, in addition to the matching variables).