Research Article

Real-World Glycemic Improvements with Hybrid Closed Loop Pumps in Youth with Type 1 Diabetes

Table 3

Longitudinal change in HbA1c for first 12 months after starting Control IQ.

UnadjustedAdjusted
Estimate (95% CI)p-ValueEstimate (95% CI)p-Value

Intercept8.2 (7.35, 9.12)<.0001
Time since baseline (30 day months)−0.07 (−0.1, −0.04)<0.0001−0.09 (−0.12, -0.06)<.0001
Minority (Black or Hispanic)1.2 (0.52, 1.87)0.0010.61 (−0.07, 1.29)0.08
Insurance (Public)0.99 (0.37, 1.62)0.0020.61 (−0.01, 1.23)0.05
Sex (female)0.56 (0.05, 1.08)0.030.45 (−0.004, 0.9)0.05
Age at baseline (years)0.002 (−0.07, 0.07)0.95−0.07 (−0.14, 0.01)0.08
Duration of diabetes (years)0.04 (−0.03, 0.1)0.270.05 (−0.02, 0.12)0.14
Documented inconsistent use of control IQ1.83 (1.09, 2.57)<0.00010.98 (0.17, 1.78)0.02
Effect modification of inconsistent use on time since baseline0.16 (0.07, 0.24)0.00040.16 (0.07, 0.24)0.0004

Note: Linear mixed-effects model with randomly varying intercept. All covariates are included in the adjusted model.