Table 3 Multiple logistic regression analysis and individual scores for variables included in the risk score
Variables (p value for diabetes) | Category | Odds ratio (95 % CI) | β | Contribution to Risk Score (10 × β) |
|---|---|---|---|---|
Age (years) (p = 0.000) | <30 | Reference | 0 | |
30–39 | 2.6 (0.9–7.8) | 0.95 | 10 | |
40–49 | 4.8 (1.7–13.7) | 1.57 | 16 | |
≥50 | 5.0 (1.8–14.2) | 1.61 | 16 | |
BMI (kg/m2) (p = 0.000) | <18.5 | Reference | 0 | |
18.5–22.9 | 1.7 (0.7–3.9) | 0.52 | 5 | |
≥23.0 | 2.1 (0.8–5.2) | 0.72 | 7 | |
Waist circumference (cm) (p = 0.000) | F < 70 / M <75 | Reference | 0 | |
F (70–79)/M (75–84) | 1.9 (0.9–4.1) | 0.65 | 7 | |
F ≥ 80/M ≥ 85 | 2.9 (1.3–6.6) | 1.00 | 10 | |
Hypertension (p = 0.000) | Absent | Reference | 0 | |
Present | 2.3 (1.6–3.4) | 0.84 | 8 | |
Family history of diabetes (p = 0.000) | Present | Reference | 0 | |
Absent | 1.7 (1.1–2.5) | 0.52 | 5 | |
Physical activity level (p = 0.008) | Sufficiently active | Reference | 0 | |
Moderately active | 1.2 (0.8–1.8) | 0.17 | 2 | |
Inactive | 1.4 (0.8–2.4) | 0.32 | 3 | |
Gestational diabetes (p = 0.270) | Absent | Reference | 0 | |
Present | 1.4 (0.3–6.8) | 0.36 | 4 | |
Balanitis or vulvitis (p = 0.034) | Absent | Reference | 0 | |
Present | 2.0 (0.9–4.4) | 0.71 | 7 | |
Osmotic symptoms (p = 0.024) | Absent | Reference | 0 | |
Present | 1.2 (0.7–1.9) | 0.14 | 1 |