| Characteristic | Correlation coefficient |
| Age | 0.31 |
| Sex | 0.05 |
| Body?mass index | 0.00 |
| Type of diabetes | 0.09 |
| Duration of diabetes | 0.53†† |
| First educational program | 0.51†† |
| Diabetic polyneuropathy | 0.02 |
| Diabetic retinopathy | 0.40† |
| Diabetic nephropathy | 0.06 |
| History of cerebrovascular disease | 0.11 |
| History of coronary artery disease | 0.14 |
| Injecting insulin | 0.01 |
| Living with family | 0.11 |
| Working full time or part time | 0.14 |
| HbA1c at admission | −0.09 |
| Total score of self-efficacy for exercise at discharge | 0.05 |
| Total score of self-efficacy for exercise at 12 weeks after discharge | −0.05 |