| Total | 11–13 years | 14–16 years | |
| Sex | |||
| Male | 25 | 11 | 14 |
| Female | 23 | 13 | 10 |
| Age (years), mean (SD) | 13.60 (1.36) | 12.52 (0.77) | 14.67 (0.88) |
| DM duration (years), mean (SD) | 5.27 (3.44) | 4.87 (3.14) | 5.66 (3.74) |
| HbA1c (%), mean (SD) | 8.58 (1.80) | 8.74 (1.30) | 8.43 (2.22) |
| SES | |||
| 1 | 12 (25.0%) | 7 (29.2%) | 5 (20.8%) |
| 2 | 3 (6.3%) | 2 (8.3%) | 1 (4.2%) |
| 3 | 15 (31.3%) | 5 (20.8%) | 10 (41.7%) |
| 4 | 6 (12.5%) | 4 (16.7%) | 2 (8.3%) |
| 5 | 12 (25.0%) | 6 (25.0%) | 6 (25.0%) |
| Pre-course insulin regimen | |||
| 2 Daily | 18 | 12 | 6 |
| 3 Daily | 7 | 2 | 5 |
| 4+ Daily | 23 | 10 | 13 |
| Ethnicity | |||
| White | 47 | 23 | 24 |
| Mixed race | 1 | 1 | 0 |
DM, diabetes mellitus; SES, socio-economic status.