Baseline Characteristics of Patients by Intervention and Control Group.
| Variable | Intervention Group (n=550) | Control Group (n=582) | χ2 (df) | P Value |
|---|---|---|---|---|
| a Mean cardiovascular risk in % for 10 years at baseline, calculated by Framingham risk points, is displayed for patients in primary prevention only, including patients with diabetes. | ||||
| Mean age, years (SD) | 59.1 (12.3) | 58.6 (12.5) | 0.69 | .49 |
| Male, No. (%) | 231 (42.0) | 265 (45.5) | 1.4 (1) | .26 |
| Nationality German, No. (%) | 528 (96.0) | 566 (97.3) | 0.83 (1) | .46 |
| Education, No. (%) | 2.1 (4) | .71 | ||
| No or basic education | 284 (51.6) | 320 (54.9) | ||
| Medium education | 169 (30.7) | 168 (28.9) | ||
| Higher education | 91 (16.6) | 91 (15.6) | ||
| Smokers, No. (%) | 102 (18.5) | 108 (18.6) | 0.0 (1) | 1.0 |
| Diabetic, No. (%) | 63 (11.5) | 140 (24.1) | 30.1 (1) | <.001 |
| Previous cardiovascular disease, No. (%) | 101 (18.4) | 130 (22.3) | 2.7 (1) | .10 |
| Mean cardiovascular risk at baselinea (SD) | 10.7 (9.5) | 10.1 (9.2) | 098 (899) | .33 |
| Subjective health status, No. (%) | 5.2 (4) | .27 | ||
| Very good/good | 266 (48.4) | 260 (44.7) | ||
| Satisfactory | 242 (44.0) | 278 (47.8) | ||
| Very bad/bad | 36 (6.5) | 40 (6.9) | ||
| Preference of participation in decision, No. (%) | 13.4 (4) | .009 | ||
| Patient only | 6 (1.1) | 11 (1.9) | ||
| Patient mainly | 14 (2.5) | 16 (2.7) | ||
| Patient and doctor | 405 (73.6) | 383 (65.8) | ||
| Doctor mainly | 99 (18.0) | 114 (19.6) | ||
| Doctor only | 15 (2.7) | 39 (6.7) | ||