Table 1.

Select characteristics of women unscreened for breast cancer (N = 22,113) in intervention groups among Minnesota Medicaid beneficiaries, 2014

VariableControl (n = 11,036)Direct mail with incentive (n = 11,077)Pa
Age (y)Mean (SD)58.9 (6.4)58.7 (6.3)0.109
N (%)N (%)
EnrollmentMedicaid only6,727 (60.9)6,797 (61.4)
Medicare and Medicaid4,309 (39.1)4,280 (38.6)0.535
Program typeAll other programs7,835 (71.0)7,920 (71.5)
Fee-for-service3,201 (29.0)3,157 (28.5)0.407
Race/ethnicityWhite7,476 (67.8)7,552 (68.3)
Other races/ethnicities3,544 (32.2)3,509 (31.7)0.488
Disability statusNot disabled6,621 (60.1)6,680 (60.3)
Disabled4,413 (39.9)4,395 (39.7)0.637
IncomeAbove low income4,525 (41.0)4,558 (41.2)
Low income4,780 (43.3)4,674 (42.2)
Missing income1,731 (15.7)1,845 (16.7)0.088
Marital statusNot married8,983 (82.3)8,975 (81.8)
Married1,938 (17.8)1,996 (18.2)0.388
Primary languageEnglish9,174 (83.6)9,187 (83.4)
Other1,797 (16.4)1,829 (16.6)0.655
Metro locationUrban9,615 (88.9)9,644 (88.9)
Rural1,198 (11.1)1,199 (11.1)0.960
EducationHigh school or less9,442 (85.6)9,465 (85.5)
More than high school1,594 (14.4)1,612 (14.6)0.818
Study eligibilityBC arm only1,403 (12.7)1,416 (12.8)
CRC and BC arms9,633 (87.3)9,661 (87.0)0.875
Prior behaviorMammogram 2012936 (8.5)960 (8.7)0.623
Mammogram 20111,489 (13.5)1,500 (13.5)0.915
Mammogram 20101,354 (12.3)1,445 (13.1)0.083
Mammogram 20091,468 (13.3)1,475 (13.3)0.976
  • Abbreviations: BC, breast cancer; CRC, colorectal cancer.

  • aP value represents χ2 test for categorical variables and two-sample t test for age variable.