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Table 2 Demographic and clinical characteristics independently associated with presence of Acanthosis Nigricans (AN)

From: Acanthosis nigricans in type 2 diabetes: prevalence, correlates and potential as a simple clinical screening tool - a cross-sectional study in the Caribbean

Characteristic    OR* (95% CI) p value
Age (years) §    0.94 (0.91, 0.97) <0.001
Sex §   Males 1   
   Females 2.33 (1.27, 4.27) 0.006
Ethnicity x Normal BMI ** East Indian 1   
   African 1.70 (0.54, 5.33) 0.363
   Mixed 0.68 (0.18, 2.53) 0.570
  x Overweight ** East Indian 1   
   African 0.11 (0.03, 0.41) 0.001
   Mixed 0.44 (0.10, 1.83) 0.258
  x Obese ** East Indian 1   
   African 0.08 (0.01, 0.45) 0.004
   Mixed 0.14 (0.02, 0.79) 0.027
Body Mass Index (BMI) x East Indian Normal BMI ** 1   
   Overweight ** 5.51 (2.34, 12.98) <0.001
   Obese ** 12.27 (2.79, 53.97) 0.001
  x African Normal BMI ** 1   
   Overweight ** 0.35 (0.08, 1.64) 0.183
   Obese ** 0.59 (0.11, 3.12) 0.534
  x Mixed Ethnicity Normal BMI ** 1   
   Overweight ** 3.51 (0.60, 20.45) 0.162
   Obese ** 2.44 (0.37, 16.06) 0.352
Waist Circumference (cm) §    1.03 (1.00, 1.07) 0.060
  1. *OR: Odds Ratio of AN adjusted for other variables in the model including age, sex, ethnicity, BMI and waist circumference; CI: Confidence Interval for adjusted OR; p value from Wald test. §Parameter estimates from final multivariable model Parameter estimates from final model refitted with BMI as categorical, to illustrate the interaction between BMI and ethnicity. **Body Mass Index (BMI) (kg/m2): Underweight: <18.50; Normal: 18.50-24.99; Overweight: 25.00-29.99; Obese ≥30.00 [16].