Table 2.
Logistic regression analysis of the association between different A1c groups and insulin resistance.
| Characteristics | Model 1 | Model 2 | Model 3 | |||
|---|---|---|---|---|---|---|
| OR (95% CI) | P | OR (95% CI) | P | OR (95% CI) | P | |
| A1c groups | ||||||
| Group 1 | 1 (reference) | 1 (reference) | 1 (reference) | |||
| Group 2 | 1.30 (0.82–2.05) | 0.264 | 0.95 (0.57–1.57) | 0.834 | 0.91 (0.54–1.53) | 0.708 |
| Group 3 | 1.29 (0.83–2.00) | 0.266 | 1.03 (0.64–1.68) | 0.892 | 1.01 (0.61–1.68) | 0.969 |
| Group 4 | 1.89 (1.06–3.37) | 0.032 | 1.66 (0.86–3.21) | 0.134 | 1.55 (0.76–3.17) | 0.226 |
| Group 5 | 1.85 (1.13–3.02) | 0.014 | 2.16 (1.26–3.69) | 0.005 | 2.04 (1.16–3.61) | 0.014 |
| Female | — | 1.79 (1.22–2.63) | 0.003 | 2.30 (1.50–3.51) | <0.001 | |
| Age (years) | — | 0.98 (0.96–0.99) | 0.010 | 1.00 (0.98–1.02) | 0.882 | |
| BMI (kg/m2) | — | 1.13 (1.05–1.21) | 0.001 | 1.11 (1.03–1.19) | 0.007 | |
| WC (cm) | — | 1.05 (1.02–1.07) | <0.001 | 1.05 (1.02–1.07) | 0.001 | |
| Systolic BP (mmHg) | — | — | 1.00 (0.98–1.02) | 0.772 | ||
| Diastolic BP (mmHg) | — | — | 1.03 (1.01–1.06) | 0.001 | ||
| Cholesterol (mmol/L) | — | — | 0.97 (0.80–1.19) | 0.787 | ||
| Triglycerides (mmol/L) | — | — | 1.17 (1.02–1.33) | 0.021 | ||
| AST (U/L) | — | — | 1.01 (0.98–1.04) | 0.646 | ||
| ALT (U/L) | — | — | 1.02 (0.99–1.05) | 0.118 | ||
Model 1: unadjusted. Model 2: adjusted for age, gender, BMI, and WC. Model 3: adjusted for age, gender, BMI, WC, Systolic BP, Diastolic BP, Cholesterol, Triglycerides, AST, and ALT.