Multivariable risk factors for undiagnosed type 2 diabetes
| Variable | β-Coefficient | OR (95% CI) | P value | Score |
| Age, years | ||||
| 18–34 | Reference | 1 | 0 | |
| 35–64 | 0.424 | 1.75 (1.10 to 3.38) | 0.037 | 4 |
| ≥65 | 1.017 | 3.38 (2.23 to 5.12) | <0.001 | 10 |
| Family history of diabetes mellitus (parents/siblings) | ||||
| No | Reference | 1 | 0 | |
| Yes | 0.734 | 2.08 (1.47 to 2.96) | <0.001 | 7 |
| Hypertension status | ||||
| No | Reference | 1 | 0 | |
| Yes | 0.389 | 1.48 (1.04 to 2.18) | 0.050 | 4 |
| Body mass index, kg/m2 | ||||
| <25 | Reference | 1 | 0 | |
| 25.0–29.9 | 0.129 | 1.14 (0.67 to 1.94) | 0.637 | 0 |
| ≥30.0 | 0.676 | 1.97 (1.17 to 3.30) | 0.011 | 7 |
| Waist-to-hip ratio | ||||
| <0.90 for males and <0.85 for females | Reference | 1 | 0 | |
| ≥0.90 for males and ≥0.85 for females | 0.534 | 1.71 (1.08 to 2.69) | <0.001 | 5 |
| Cut-off point | ≥19 | |||
A score for each variable in the model was calculated by multiplying the β-coefficient by 10 and to the nearest integer. A score of ≥19 points indicated a high risk for having diabetes.