Table 3—

Mean HbA1c and difference as determined by mixed effects analysis

TimeIntervention (%)Control (%)DifferenceP value*
n171146
Baseline9.54 ± 0.129.66 ± 0.13−0.120.51
6 months8.29 ± 0.128.94 ± 0.15−0.65<0.01
12 months8.17 ± 0.118.86 ± 0.14−0.69<0.01
18 months8.11 ± 0.118.82 ± 0.13−0.71<0.01
24 months7.92 ± 0.138.70 ± 0.15−0.78<0.01
30 months7.85 ± 0.148.66 ± 0.15−0.80<0.01
36 months7.66 ± 0.178.53 ± 0.20−0.87<0.01
  • *

    * P values are applied to HbA1c differences between the intervention and control groups.

  • The respective drops in the 36-month HbA1c compared with the baseline HbA1c in both the intervention group and the control group of 1.88 and 1.13% are statistically significant.