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Table 2 Age specific and age standardized prevalence of different Body Mass Index (BMI) levels (n =2293)

From: Prevalence of obesity in a rural Asian Indian (Bangladeshi) population and its determinants

Variables Age specific (year) prevalence, % Age Standardized prevalence, % (95 % CI)
  20-30 (n = 548) 31-40 (n = 702) 41-50 (n = 562) ≥51 (n = 481) 20-80 years
Underweight (BMI <18.5 Kg/m2)
Total (n = 328) 11.7 10.3 16.2 21.0 14.3 (12.9, 15.7)
Male 14.6 9.1 14.3 18.6 13.6 (11.3, 16.0)
Female 10.4 10.9 17.5 23.1a 14.9 (12.1, 16.8)
Normal weight (BMI 18.5- < 23 Kg/m2)
Total (n = 960) 46.2 39.2 41.1 41.8 41.9 (39.9, 43.9)
Male 44.2 41.4 41.1 42.9 42.3 (38.9, 45.7)
Female 47.0 38.9 41.1 40.8 41.5 (38.9, 44.1)
Overweight (BMI 23- < 25 Kg/m2)
Total (n = 405) 18.6 17.1 17.6 17.5 17.7 (16.1, 19.2)
Male 18.8 19.8 17.9 19.9 19.1 (16.5, 21.8)
Female 18.5 15.7 17.5 15.4 16.8 (14.9, 18.7)
Obese (BMI ≥25 Kg/m2)
Total (n = 600) 23.7 33.5 25.1 19.8 26.2 (24.4, 27.9)
Male 22.4 29.7 26.8 18.6 25.1 (22.1, 28.0)
Female 24.0 35.3 23.9 20.8 26.8 (24.5, 29.0)
  1. Values are presented as % (number) or (95 % confidence interval) as indicated. Age adjustment was based on 2001 census of Bangladesh
  2. aχ2 trend = P < 0.05 for different age group. CI, confidence interval; BMI, body mass index