Table 2—

Univariate and multivariate analyses of symptoms and risk factors for diabetes

VariableUnivariate regression
Multiple logistic regression
Odds ratioPβ-CoefficientOdds ratio95% CIRisk score
Frequent thirst (yes vs. no)1.000.99
Frequent urination (yes vs. no)0.60.17
Tiredness (yes vs. no)1.10.6
Repeated cystitis (yes vs. no)0.50.5
Weight loss (yes vs. no)0.70.6
Hypertensive treatment (yes vs. no)4.5<0.0001
Cholesterol measured (yes vs. no)1.80.007
Hypercholesterolemia (yes vs. no)1.90.01
Treatment for hypercholesterolemia (yes vs. no)4.10.0044
Smoking (yes vs. no)1.00.86
Sibling with diabetes (yes vs. no)2.10.014
Age
 45 vs. 30–40 years1.80.110.69262.0(1.0–4.1)7
 50 vs. 30–40 years4.0<0.00011.31113.7(2.0–7.0)13
 55–60 vs. 30–40 years7.0<0.00011.84756.3(3.5–11.5)18
Sex (male vs. female)1.50.020.39701.5(1.0–2.2)4
BMI
 25–29 vs. <25 kg/m22.9<0.00010.74012.1(1.3–3.5)7
 30 vs. <25 kg/m26.9<0.00011.46724.4(2.6–7.3)15
Known hypertension (yes vs. no)3.6<0.00010.98322.7(1.8–4.0)10
Physical activity at leisure time (inactive versus active)2.30.0060.64881.9(1.0–3.5)6
Parent having diabetes (yes vs. no)1.80.0020.68352.0(1.3–3.0)7
  • The first two columns show the results in the univariate logistic regression analysis using SDM as the dependent variable. The final model is shown in the last four columns. A score for each variable in the model was calculated by multiplying the β-coefficients by 10.