Table 3.

Predictors of glycemic control in multiple regression analysis, by model.

	B Coefficient	SEβ	P value
Model 1: Demographics
Adj. R2=15%
Caucasian race	−0.73	0.31	0.02
Household income	0.49	0.30	0.10
Single parent household	0.47	0.36	0.19
Model 2: Model 1 + Disease-specific characteristics
Adj. R2=17%
Caucasian race	−0.86	0.30	0.006
Basal-bolus insulin therapy	0.75	0.31	0.02
Pre-mixed insulin therapy	0.85	0.40	0.04
Adolescent-reported Adherence (C-SCI)	−0.40	0.32	0.21
Model 3: Model 2 + Adolescent-level variables
Adj. R2=16%
Caucasian race	−0.75	0.33	0.03
Basal-bolus insulin therapy	0.78	0.32	0.02
Pre-mixed insulin therapy	0.87	0.40	0.03
Cognitive development score (PPVT)	−0.006	0.007	0.40
Model 4: Model 3 + Family-level variables
Adj. R2=18%
Caucasian race	−0.85	0.35	0.02
Basal-bolus insulin therapy	0.86	0.32	0.01
Pre-mixed insulin therapy	0.73	0.41	0.08
Adolescent responsibility for T1D management (DFRQ; adolescent report)	−0.58	0.68	0.40
Adolescent responsibility for T1D management (DFRQ; parent report)	0.62	0.86	0.47
Parent expression of opinion during T1D discussion (DMIS; adolescent report)	−0.02	0.22	0.93
Parent expression of opinion during T1D discussion (DMIS; parent report)	0.28	0.22	0.21
Final Model
Adj. R2=17%
Caucasian Race	−0.86	0.30	0.006
Basal-Bolus insulin therapy	0.75	0.31	0.02
Pre-mixed insulin therapy	0.85	0.40	0.04

Note: For each step, non-significant findings were dropped from the model. Bold values indicate significance at p < .10.