| T1-DDS subscale | ON TRAC (unadjusted models) | ON TRAC (adjusted models) | KS | BS | TRI | KS | BS | TRI |
| | Total mean score | β | −1.98 | −1.63 | −0.11 | −2.73 | −2.61 | −0.18 | 95% CI | −3.47, −0.48 | −3.25, −0.01 | −0.25, 0.03 | −4.41, −1.06 | −4.39, −0.84 | −0.34, −0.01 | Adj R2 | 0.08 | 0.04 | 0.02 | 0.13 | 0.13 | 0.04 | p-value | 0.01 | 0.049 | 0.12 | 0.002 | 0.005 | 0.03 |
| 1 | Powerlessness | β | −1.35 | −0.74 | −0.05 | −1.57 | −1.05 | −0.07 | 95% CI | −2.46, −0.24 | −1.96, 0.48 | −0.16, 0.05 | −2.81, −0.33 | −2.39, 0.28 | −0.19, 0.05 | Adj R2 | 0.06 | 0.01 | −0.00 | 0.07 | 0.06 | −0.005 | p-value | 0.02 | 0.23 | 0.32 | 0.01 | 0.12 | 0.25 |
| 2 | Management distress | β | −1.41 | −1.61 | −0.10 | −1.82 | −2.23 | −0.13 | 95% CI | −2.36, −0.45 | −2.56, −0.67 | −0.19, −0.01 | −2.92, −0.72 | −3.26, −1.20 | −0.23, −0.03 | Adj R2 | 0.09 | 0.13 | 0.05 | 0.12 | 0.23 | 0.08 | p-value | 0.004 | 0.001 | 0.03 | 0.002 | <0.001 | 0.01 |
| 3 | Hypoglycemia distress | β | −0.89 | −0.52 | −0.02 | −1.05 | −0.85 | −0.05 | 95% CI | −2.06, 0.28 | −1.71, 0.66 | −0.13, 0.08 | −2.27, 0.17 | −2.06, 0.35 | −0.16, 0.07 | Adj R2 | 0.02 | −0.003 | −0.01 | 0.02 | 0.04 | −0.009 | p-value | 0.13 | 0.38 | 0.65 | 0.09 | 0.16 | 0.42 |
| 4 | Negative social perceptions | β | −1.33 | −1.68 | −0.08 | −1.50 | −2.11 | −0.11 | 95% CI | −2.47, −0.19 | −2.80, −0.56 | −0.19, 0.02 | −2.69, −0.32 | −3.22, −1.01 | −0.22, −0.00 | Adj R2 | 0.06 | 0.10 | 0.02 | 0.07 | 0.20 | 0.05 | p-value | 0.02 | 0.004 | 0.12 | 0.01 | <0.001 | 0.048 |
| 5 | Eating distress | β | −1.90 | −1.33 | −0.08 | −2.37 | −1.96 | −0.12 | 95% CI | −3.01, −0.79 | −2.48, −0.17 | −0.19, 0.03 | −3.57, −1.17 | −3.18, −0.74 | −0.23, −0.00 | Adj R2 | 0.13 | 0.05 | 0.02 | 0.17 | 0.15 | 0.05 | p-value | 0.001 | 0.03 | 0.13 | <0.001 | 0.002 | 0.046 |
| 6 | Physician distress | β | −2.33 | −0.48 | −0.06 | −2.55 | −0.94 | −0.10 | 95% CI | −3.74, −0.91 | −2.00, 1.03 | −0.19, 0.08 | −4.05, −1.05 | −2.51, 0.64 | −0.24, 0.05 | Adj R2 | 0.12 | −0.01 | −0.004 | 0.13 | 0.04 | 0.01 | p-value | 0.002 | 0.53 | 0.41 | 0.001 | 0.24 | 0.19 |
| 7 | Family/friend distress | β | −1.52 | −0.89 | −0.07 | −1.87 | −1.32 | −0.11 | 95% CI | −2.57, −0.47 | −1.99, 0.21 | −0.17, 0.02 | −3.01, −0.73 | −2.51, −0.14 | −0.21, 0.00 | Adj R2 | 0.09 | 0.02 | 0.02 | 0.12 | 0.09 | 0.03 | p-value | 0.005 | 0.11 | 0.14 | 0.002 | 0.03 | 0.054 |
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Note. Univariable models are unadjusted. Multivariable models are adjusted for age at transition, sex, average A1C, and clinic site. KS, knowledge score; BS, behavior score; TRI, transition readiness indicator; 95% CI, 95% confidence interval; Adj R2, adjusted R2. Italicized values indicate . Underlined values indicate (Bonferroni-corrected p-value in light of multiple comparisons). |