Table 1.
Characteristics of Study Sample at Baseline, Stratified by Study Arm
| Study arm | |||||
|---|---|---|---|---|---|
| Characteristic | All patients (n=624) | Enhanced care (n=172) | Education (n=154) | Nurse (n=298) | p-value |
| Self-efficacy index,a mean (SD) | 28.0 (2.2) | 27.6 (2.4) | 28.8 (2.6) | 27.7 (1.6) | 0.049 |
| Barrier index, mean (SD) | 14.2 (2.9) | 14.5 (3.0) | 14.3 (3.3) | 14.0 (2.7) | 0.39 |
| n (%) | n (%) | n (%) | n (%) | ||
| Age categories | |||||
| 40–49 | 251 (40) | 60 (35) | 63 (41) | 128 (43) | 0.14 |
| 50–59 | 255 (41) | 79 (46) | 70 (45) | 106 (36) | |
| 60–69 | 87 (14) | 24 (14) | 19 (12) | 44 (15) | |
| 70+ | 31 (5) | 9 (5) | 2 (1) | 20 (7) | |
| Years of education | |||||
| Less than high school | 193 (31) | 60 (35) | 55 (36) | 78 (26) | 0.016 |
| High school grad | 276 (44) | 67 (39) | 71 (46) | 138 (46) | |
| Some college | 112 (18) | 33 (19) | 20 (13) | 59 (20) | |
| ≥College graduate | 43 (7) | 12 (7) | 8 (5) | 23 (8) | |
| Race | |||||
| African American | 405 (65) | 97 (56) | 74 (48) | 234 (79) | <0.0001 |
| Caucasian | 219 (35) | 77 (44) | 80 (52) | 64 (21) | |
| Marital status | |||||
| Single | 207 (33) | 38 (22) | 44 (29) | 125 (42) | 0.028 |
| Married | 180 (29) | 61 (35) | 55 (36) | 64 (21) | |
| Separated | 50 (8) | 16 (9) | 12 (8) | 22 (7) | |
| Divorced | 118 (19) | 34 (20) | 31 (20) | 53 (18) | |
| Widowed | 69 (11) | 23 (13) | 12 (8) | 34 (11) | |
| Literacy level | |||||
| Limited: <ninth grade | 386 (46) | 98 (57) | 49 (32) | 139 (47) | 0.12 |
| Adequate:≥ninth grade | 338 (54) | 74 (43) | 105 (68) | 159 (53) | |
| Seen doctor in past 12 months | 537 (86) | 151 (88) | 139 (90) | 247 (83) | <0.0001 |
| Prior recommendation | 520 (84) | 144 (84) | 134 (87) | 242 (82) | 0.64 |
| Ever had mammogram | 474 (76) | 129 (75) | 114 (74) | 231 (78) | 0.39 |
| Want to know if had cancer | 581 (94) | 165 (96) | 145 (94) | 271 (92) | 0.03 |
a
The self-efficacy index ranges from 17 to 35, where low numbers mean low self-efficacy; high numbers, high self-efficacy. The barrier index ranges from 6 to 26, where low numbers indicate a low barrier level to obtaining a mammogram; high numbers, a high barrier level.
SD, standard deviation.