Table 3.

Longitudinal Mixed Effects Analyses for Differences in the Rate of Change in Levels of HbA1c over Time Between the Treatment Groups

Parameter	Estimate	95% confidence limits		p value
Treatment
Control	Ref	Ref	Ref	Ref
Knowledge	−0.30	−0.92	0.32	0.343
Skills	−0.20	−0.82	0.43	0.535
Combined	−0.33	−0.95	0.29	0.301
Time	−0.08	−0.11	−0.04	<.001
Time*Treatment
Time*Control	Ref	Ref	Ref	Ref
Time*Knowledge	0.06	−0.00	0.11	0.053
Time*Skills	0.02	−0.03	0.08	0.448
Time*Combined	0.05	−0.00	0.10	0.062

N = 255 unique subjects (with repeated measures at four time points); Ref = reference group