Table 1.
Baseline Patient Characteristics among All Eligible Participants by Study Arm
| Usual Care (n = 2,901) | Patient Mailed Reminder (n = 3,367) | Patient Mailed Reminder and Physician Prompt (n = 4,086) | p value* | |
|---|---|---|---|---|
| Socio-demographic Characteristics | ||||
| Mean Age (SD) | 75.4 ± 6.4 | 75.8 ± 6.3 | 75.6 ± 6.3 | < 0.01 |
| Percent Black | 16.9 | 11.9 | 18.5 | < 0.01 |
| Percent Currently Married | 48.2 | 49.2 | 54.2 | < 0.01 |
| Percent Enrolled in Health Plan | 57.2 | 60.9 | 62.0 | < 0.01 |
| Clinical Characteristics | ||||
| Mean Primary Care Visits (SD) | 4.7 ± 3.7 | 4.7 ± 4.0 | 4.4 ± 3.6 | < 0.01 |
| Mean Hospital Admits (SD) | 0.2 ± 0.6 | 0.2 ± 0.7 | 0.2 ± 0.6 | 0.06 |
| Percent with Mammography | 29.4 | 30.4 | 34.8 | < 0.01 |
| Percent with History of Fracture | 3.6 | 4.0 | 3.6 | 0.64 |
*p value based on ANOVA for means and chi-square test for proportions.