Table 2.
Baseline Demographic and Clinical Characteristics of Patients by Intervention Group
| Characteristic | Physician + Patient Intensive (n = 83) | Physician Minimal/Patient Intensive (n = 57) | Physician Intensive/Patient Minimal (n = 84) | Physician + Patient Minimal (n = 55) | P Valuea |
|---|---|---|---|---|---|
| Age, mean (SD), y | 59.7 (11.9) | 63.7 (11.1) | 60.5 (12.0) | 62.4 (12.1) | 0.19 |
| Female, No. (%) | 54 (65.1) | 41 (71.9) | 55 (65.5) | 34 (61.8) | 0.71 |
| Ethnicity, No. (%) | |||||
| African American | 52 (62.6) | 38 (66.7) | 51 (60.7) | 32 (58.2) | 0.76 |
| Asian | 2 (2.4) | 1 (1.8) | 0 (0) | 0 (0) | |
| American Indian | 0 (0) | 0 (0) | 1 (1.2) | 1 (1.8) | |
| White | 29 (34.9) | 18 (31.6) | 32 (38.1) | 22 (40.0) | |
| Married, No. (%) | 31 (37.8) | 22 (38.6) | 26 (31.3) | 19 (34.6) | 0.78 |
| Education, mean (SD), y | 11.3 (2.6) | 12.2 (2.1) | 11.8 (2.4) | 12.2 (2.3) | 0.08 |
| REALM, ≥9th grade, No. (%) | 49 (59.8) | 34 (61.8) | 51 (61.4) | 39 (70.9) | 0.58 |
| Income < $35,000, No. (%) | 64 (84.2) | 34 (66.7) | 59 (71.1) | 33 (63.5) | 0.03 |
| Employed, No. (%) | |||||
| Full or part time | 17 (21.0) | 14 (25.9) | 23 (27.4) | 13 (23.6) | 0.94 |
| Not employed | 20 (24.7) | 9 (16.7) | 13 (15.5) | 10 (18.2) | |
| Retired | 26 (32.1) | 20 (37.0) | 29 (34.5) | 21 (38.2) | |
| Disabled | 18 (22.2) | 11 (20.4) | 19 (22.6) | 11 (20.0) | |
| Any health insurance, No. (%) | 74 (89.2) | 51 (91.1) | 73 (86.9) | 51 (92.7) | 0.74 |
| Medicaid, No. (%) | 28 (34.2) | 15 (26.8) | 23 (27.4) | 19 (34.6) | 0.88 |
| Medicare, No. (%) | 28 (34.6) | 25 (44.6) | 31 (36.9) | 23 (42.6) | 0.69 |
| Private insurance, No. (%) | 40 (49.4) | 30 (53.6) | 46 (55.4) | 24 (43.6) | 0.56 |
| Prescription plan, No. (%) | 77 (93.9) | 51 (91.1) | 75 (89.3) | 54 (98.2) | 0.21 |
| PCS SF-12 , mean (SD) | 39.8 (12.5) | 40.5 (12.2) | 40.4 (12.6) | 40.4 (11.4) | 0.99 |
| MCS SF-12, mean (SD) | 51.6 (10.3) | 49.5 (11.9) | 50.2 (10.6) | 50.0 (11.5) | 0.71 |
| Comorbid conditions, No. (%) | |||||
| Diabetes mellitus | 36 (43.9) | 32 (58.2) | 28 (33.7) | 25 (45.4) | 0.04 |
| Cardiovascular disease | 11 (13.2) | 11 (20.0) | 12 (14.5) | 14 (25.4) | 0.24 |
| Depression | 20 (24.4) | 7 (13.0) | 19 (23.2) | 18 (33.3) | 0.10 |
| Body mass index, mean (SD) | 33.6 (8.9) | 33.9 (9.2) | 31.8 (6.8) | 32.3 (7.3) | 0.36 |
Abbreviations: REALM, Rapid Estimates of Adult Literacy in Medicine; PCS SF-12, physical component scale of Medical Outcomes Study 12-item short form; MCS SF-12, mental component scale of Medical Outcomes Study 12-item short form
aP value from Fisher’s exact test or F test