Table 2.
Age specific and age standardized prevalence of different Body Mass Index (BMI) levels (n =2293)
| 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) |
Values are presented as % (number) or (95 % confidence interval) as indicated. Age adjustment was based on 2001 census of Bangladesh
aχ2 trend = P < 0.05 for different age group. CI, confidence interval; BMI, body mass index