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Table 3 Independent variables associated with incident Type 2 diabetes and their corresponding odds ratios in the TLGS cohort population after median follow-up time of 6 years.

From: Population-based incidence of Type 2 diabetes and its associated risk factors: results from a six-year cohort study in Iran

Variables Odds ratio (95%CI) P
Age (per 10 years) 1.2 (1.1–1.3) 0.008
Family history of diabetes 1.8 (1.3–2.5) <0.00
BMI ≥ 30 kg/m2 2.3 (1.5–3.6) <0.001
Abdominal obesity 1.9 (1.4–2.6) 0.001
High triglyceride 1.4 (1.1–1.9) 0.04
Glucose tolerance category   
   Normal 1 -
   Isolated IFG 7.4 (3.6–15.0) <0.001
   Isolated IGT 5.9 (4.2–8.4) <0.001
   IFG/IGT 42.2 (23.8–74.9) <0.001
  1. Odds ratios were obtained by multivariate logistic regression analysis with backward selection. The variables that entered into the model at first step were age, sex, education level (Illiterate/primary, secondary, diploma/higher), family history of diabetes, hypertension (blood pressure ≥ 140/90 mm/Hg and/or taking of antihypertensive medication), obesity (BMI<25, 25–29.9 and ≥ 30 kg/m2 with <25 as reference group), Abdominal obesity (waist circumference>88 or >102 cm in females and males respectively), glucose tolerance categories, high triglyceride (>2.2 mmol/l) and low HDL cholesterol (<1.0 or <1.3 mmol/l in males and females respectively). BMI categories and abdominal obesity were fitted separately into the models.
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