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Table 2 Multivariate mixed effects model to assess characteristics associated with glycemic control. Project Dulce, 2000–2002 (N = 555)

From: Predictors of glycemic control among patients with Type 2 diabetes: A longitudinal study

  Estimate p value Translation*
Baseline A1C 0.06050 <0.0001  
Month (0 – 24)   <0.0001  
Insurance   0.003  
   Uninsured 0.02198 0.06 5.2% increase in A1C 1
   County Medical Services (MIA) -0.01300 0.20  
   Insured (ref) - -  
Diabetes duration   <0.0001  
   > 10 years 0.06169 <0.0001 15.3% increase in A1C
   6 – 10 years 0.03555 0.008 8.5% increase in A1C
   1 – 5.9 years 0.03253 0.003 7.8% increase in A1C
   < 1 year (ref) - -  
Medicine   <0.0001  
   Insulin alone or insulin + oral agents 0.08768 <0.0001 22.4% increase in A1C
   > 1 oral agent (no insulin) 0.04930 <0.0001 12.0% increase in A1C
   No medicine or 1 oral agent (ref) - -  
Total cholesterol (0.65 mmol/l (25 mg/dl) interval) 0.01115 <0.001 2.6% increase in A1C
Age * month   <0.001  
  1. * Formula for calculating change in A1C = 10(estimate) - 1
  2. 110(0.02198) - 1 = 0.052