| Subscale | Certification | Mean (M) | Standard deviation (±SD) | P valuea |
| Special training | NO | 3.67 | 0.46 | 0.0022 |
|
| Yes | 4.60 | 0.34 |
|
| Seriousness of diabetes | NO | 4.45 | 0.38 |
|
|
| Yes | 4.04 | 0.57 | 0.0006 |
| Value of tight glycemic control | NO | 3.787 | 0.53 |
|
|
| Yes | 3.70 | 0.42 | <0.0001 |
| Psychosocial impact of diabetes | NO | 3.47 | 0.44 |
|
|
| Yes | 4.10 | 0.454 | <0.0001 |
| Patient autonomy | NO | 3.78 | 0.47 |
|
|
| Yes | 4.04 | 0.43 | <0.0001 |