Table 2.
All participants | Age <13 years | Age ≥13 years | P * | |
---|---|---|---|---|
Children with Type 1 diabetes | ||||
Initial score (n = 273), mean
sd (range) |
70.6 ± 12.9 (32.5–100.0) | 73.7. ± 11.5 (42.5–92.5) | 68.0 ± 13.5 (32.5–100.0) | 0.0003 |
Internal consistency, α | 0.79 | 0.70 | 0.82 | |
Re-test score (n = 255), mean
sd (range) |
74.2 ± 13.7 (25.0–98.8) | 77.9 ± 11.8 (41.3–98.8) | 71.1 ± 14.4 (25.0–98.8) | <0.0001 |
Intraclass correlation coefficient** | 0.65 | 0.49 | 0.73 | |
Parents | ||||
Initial score (n = 273), mean
± sd (range) |
74.1 ± 13.4 (16.3–98.8) | 79.0 ± 10.5 (42.5–98.8) | 69.9 ± 14.1 (16.3–96.3) | <0.0001 |
Internal consistency, α | 0.83 | 0.70 | 0.84 | |
Re-test score (n = 254), mean
± sd (range) |
75.3 ± 12.9 (31.3–98.7) | 80.2 ± 10.4 (52.5–98.7) | 70.9 ± 13.2 (31.3–95.0) | <0.0001 |
Intraclass correlation coefficient** | 0.83 | 0.76 | 0.85 |
Difference in Diabetes Management Questionnaire (DMQ) scores by child age.
Intraclass correlation coefficient=intraclass correlation coefficient between initial DMQ score and re-test DMQ score.