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Table 3 Multiple logistic regression analysis and individual scores for variables included in the risk score

From: Development and validation of a Diabetes Risk Score for screening undiagnosed diabetes in Sri Lanka (SLDRISK)

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