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Table 3 Final logistic regression model on prevalent undiagnosed type 2 diabetes with corresponding scores in the Mongolian STEPS 2009 survey. Regression coefficients, odds ratios and 95 % confidence intervals (CI) are given. 1018 men and women aged 35-64 years, of whom 59 had undiagnosed diabetes

From: Adapting existing diabetes risk scores for an Asian population: a risk score for detecting undiagnosed diabetes in the Mongolian population

  β coefficient Odds ratio 95 % CI Score
Intercept −5.223    
Sex:     
 Women (reference) - -   0
 Men 0.946 2.58 (1.48–4.49) 4
Waist circumference, cm:     
 Men <90/ Women <80 (reference) - -   0
 Men ≥90/ Women ≥80 0.822 2.28 (1.16–4.46) 3
Hypertension or medication:     
 No (reference) - -   0
 Yes 0.919 2.51 (1.39–4.51) 4
History of elevated glucose:     
 No (reference) - -   0
 Yes 1.108 3.03 (1.17–7.85) 5
Leisure time physical activity daily:     
 Yes (reference) - -   0
 No 0.798 2.22 (1.15–4.28) 3
Sitting time 6h or more/day:     
 No (reference) - -   0
 Yes 0.853 2.35 (1.30–4.25) 3
Score points range     0-22
Area under ROC curve 76.2    76.7
 95 % CI (70.2–82.2)    (70.9–82.4)
  1. Hypertension or medication: Systolic blood pressure ≥140 mmHg, or diastolic blood pressure ≥90 mmHg, or on medication for high blood pressure. History of elevated glucose: healthcare worker informed of an elevated glucose finding in the past
  2. Leisure time physical activity daily: Vigorous- or moderate-intensity sports, fitness or recreational activities which resulted in increases in breathing or heart rate lasting for at least 10 minutes continuously on at least 5 days per week. Sitting time 6h or more/day: Based on question “How much time do you usually spend sitting or reclining on a typical day?”