Table 4.

Unadjusted and adjusted OR estimates and 95% CIs of the association between insurance status and time to initial diagnostic follow-up of more than 60 days after a positive screening mammogram for women younger than 65 years and women 65 years and older between 1995–2010

UnadjustedAdjustedb
Insurance statusOR (95% CI)PaOR (95% CI)Pa
Age <65 y
 No insurance1.61 (1.38–1.89)<0.00011.59 (1.31–1.94)<0.0001
 Medicaid only0.97 (0.82–1.14)0.701.00 (0.82–1.21)0.96
 Medicare only1.19 (0.98–1.43)0.081.21 (0.97–1.52)0.09
 Medicare & Medicaid1.09 (0.88–1.36)0.431.09 (0.85–1.42)0.49
 Medicare & private0.95 (0.77–1.17)0.621.10 (0.87–1.40)0.43
 Private only (referent)1.00 (—)1.00 (—)
Age 65+ y
 Medicare only1.21 (1.08–1.35)0.0011.14 (0.99–1.30)0.06
 Medicare & Medicaid1.29 (1.08–1.56)0.0060.96 (0.76–1.20)0.73
 Medicare & private (referent)1.00 (—)1.00 (—)
 Private only1.12 (0.96–1.31)0.161.14 (0.95–1.36)0.16
  • aAll P values are 2-sided, and α < 0.05 was considered statistically significant.

  • bThe adjusted model includes race, education, breast density, categorical age, history of breast biopsy, family history of breast cancer, and facility type.