| Characteristics | Intervention | P Value | ||
|---|---|---|---|---|
| Group 1 (Letter) (n = 198) | Group 2 (Automated Phone Call) (n = 199) | Group 3 (Letter and Automated Phone Call) (n = 203) | ||
| Sex | .7824 | |||
| Female | 62.63 (124) | 63.3 (126) | 60.1 (122) | |
| Male | 37.4 (74) | 36.7 (73) | 39.9 (81) | |
| Age (years) | .2677 | |||
| 50–59 | 64.1 (127) | 68.3 (136) | 60.6 (123) | |
| ≥60 | 35.9 (71) | 31.7 (63) | 39.4 (80) | |
| Race/ethnicity | .7464 | |||
| Non-Hispanic black | 14.6 (28) | 13.0 (25) | 12.4 (25) | |
| Other (eg, Hispanic) | 7.3 (14) | 10.4 (20) | 7.5 (15) | |
| Non-Hispanic white | 78.1 (150) | 76.6 (147) | 80.1 (161) | |
| Household income | .3797 | |||
| ≥$40,000 | 53.5 (106) | 58.1 (115) | 55.0 (111) | |
| $30,000-$39,000 | 28.8 (57) | 21.7 (43) | 22.3 (45) | |
| <$30,000 | 17.7 (35) | 20.2 (40) | 22.8 (46) | |
| Insurance | .4658 | |||
| Private | 61.1 (121) | 62.8 (125) | 68.5 (139) | |
| Medicaid | 12.1 (24) | 14.1 (28) | 9.8 (20) | |
| Medicare | 26.8 (53) | 23.1 (46) | 21.7 (44) | |
| Preintervention screening rates | 0 (0) | 0 (0) | 0 (0) | NA |
Data are % (n). Small discrepancies between the total number of patients in a group and the summed numbers in the columns reflect data missing for that variable.
* By design, patients without insurance or who were up to date on breast cancer and colorectal cancer screening were excluded from the study.
NA, not applicable.