Table 2B
Logistic multilevel regression model to estimate HbA1c control
VariableCategoryOR95% CI ORCategory p valueVariable p value
Baseline HbA1c0.55(0.51 to 0.59)<0.001<0.001
Age1.03(1.02 to 1.04)<0.001<0.001
Serum cholesterol0.87(0.81 to 0.94)0.0010.001
BMI1.01(1 to 1.03)0.1320.132
Year (2008=Ref)20090.95(0.85 to 1.06)0.3950.395
Sex (female=Ref)Male0.81(0.69 to 0.96)0.014<0.001
Ethnicity (white=Ref)South Asian0.64(0.50 to 0.81)<0.001<0.001
black0.90(0.68 to 1.19)0.460
Townsend (least=Ref)Medium0.94(0.76 to 1.16)0.5350.207
High0.81(0.62 to 1.05)0.118
Cohort Treatment (Metformin Only=Ref)Combined Oral0.21(0.15 to 0.28)<0.001<0.001
Insulin0.06(0.04 to 0.08)<0.001
Metformin to Combined Oral0.24(0.16 to 0.35)<0.001
Any to Insulin0.07(0.04 to 0.11)<0.001
Diabetes duration (0–2 years=Ref)>2 years0.54(0.44 to 0.68)<0.001<0.001
  • BMI, body mass index; HbA1c.