Table 2.
Modified Poisson regression models showing prevalence ratios (PR) and 95 % confidence intervals for type 2 diabetes mellitus (weighted estimates) by BMI category and sex among Bangladeshi adults (n 7433) aged ≥35 years, Bangladesh Demographic and Health Survey, 2011
| Males | Females | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Model I | Model II | Model III | Model IV | Model I | Model II | Model III | Model IV | ||
| BMI category | |||||||||
| Normal (18·5–22·9 kg/m2) | Ref. | 1·00 | 1·00 | 1·00 | 1·00 | 1·00 | 1·00 | 1·00 | 1·00 |
| Underweight | |||||||||
| <16·0 kg/m2 | PR | 0·97 | 0·82 | 1·10 | 0·94 | 0·75 | 0·70 | 0·84 | 0·79 |
| 95 % CI | 0·58, 1·60 | 0·49, 1·36 | 0·67, 1·83 | 0·57, 1·56 | 0·47, 1·21 | 0·44, 1·13 | 0·52, 1·36 | 0·49, 1·28 | |
| 16·0–16·9 kg/m2 | PR | 0·54* | 0·49* | 0·62 | 0·56* | 0·62 | 0·58* | 0·68 | 0·64 |
| 95 % CI | 0·31, 0·94 | 0·28, 0·85 | 0·35, 1·07 | 0·32, 0·97 | 0·37, 1·02 | 0·35, 0·95 | 0·41, 1·12 | 0·39, 1·05 | |
| 17·0–18·4 kg/m2 | PR | 0·92 | 0·90 | 1·00 | 0·99 | 0·71 | 0·69* | 0·78 | 0·76 |
| 95 % CI | 0·68, 1·23 | 0·67, 1·21 | 0·75, 1·35 | 0·74, 1·33 | 0·50, 1·02 | 0·48, 0·98 | 0·54, 1·11 | 0·53, 1·08 | |
| Overweight | |||||||||
| 23·0–24·9 kg/m2 | PR | 1·78*** | 1·87*** | 1·48** | 1·54** | 1·75*** | 1·79*** | 1·54** | 1·57** |
| 95 % CI | 1·38, 2·30 | 1·45, 2·41 | 1·14, 1·91 | 1·19, 1·99 | 1·35, 2·27 | 1·38, 2·32 | 1·18, 2·00 | 1·21, 2·04 | |
| 25·0–29·9 kg/m2 | PR | 2·36*** | 2·54*** | 1·84*** | 1·93*** | 2·18*** | 2·26*** | 1·79*** | 1·81*** |
| 95 % CI | 1·86, 3·01 | 2·00, 3·23 | 1·43, 2·37 | 1·50, 2·49 | 1·74, 2·74 | 1·80, 2·83 | 1·41, 2·27 | 1·43, 2·29 | |
| ≥30·0 kg/m2 | PR | 3·32*** | 3·28*** | 2·41*** | 2·34** | 2·85*** | 2·95*** | 2·19*** | 2·17*** |
| 95 % CI | 1·99, 5·52 | 2·03, 5·30 | 1·43, 4·07 | 1·42, 3·85 | 2·09, 3·90 | 2·15, 4·06 | 158, 3·04 | 1·55, 3·04 | |
| Age category | |||||||||
| Younger | Ref. | – | 1·00 | – | 1·00 | – | 1·00 | – | 1·00 |
| Older | PR | – | 1·72*** | – | 1·74*** | – | 1·53*** | – | 1·66*** |
| 95 % CI | – | 1·43, 2·06 | – | 1·45, 2·09 | – | 1·28, 1·84 | – | 1·37, 2·00 | |
| Residence | |||||||||
| Rural | Ref. | – | – | – | 1·00 | – | – | – | 1·00 |
| Urban | PR | – | – | – | 1·14 | – | – | – | 1·01 |
| 95 % CI | – | – | – | 0·94, 1·38 | – | – | – | 0·91, 1·34 | |
| Wealth category | |||||||||
| Poorest/poorer | Ref. | – | – | 1·00 | 1·00 | – | – | 1·00 | 1·00 |
| Middle | PR | – | – | 0·79 | 0·78 | – | – | 1·06 | 1·03 |
| 95 % CI | – | – | 0·56, 1·10 | 0·56, 1·09 | – | – | 0·78, 1·45 | 0·76, 1·41 | |
| Richer/richest | PR | – | – | 1·47** | 1·35* | – | – | 1·66*** | 1·50** |
| 95 % CI | – | – | 1·15, 1·86 | 1·05, 1·73 | – | – | 1·30, 2·11 | 1·16, 1·96 | |
| Education | |||||||||
| No education | Ref. | – | – | 1·00 | 1·00 | – | – | 1·00 | 1·00 |
| Primary | PR | – | – | 1·17 | 1·24 | – | – | 1·17 | 1·29* |
| 95 % CI | – | – | 0·90, 1·53 | 0·95, 1·62 | – | – | 0·94, 1·44 | 1·04, 1·60 | |
| Above primary | PR | – | – | 1·35* | 1·44** | – | – | 1·93 | 1·42** |
| 95 % CI | – | – | 1·05, 1·74 | 1·12, 1·85 | – | – | 0·95, 1·50 | 1·11, 1·81 | |
Ref., reference category.
Model I, unadjusted; model II, model I adjusted for age; model III, model I additionally adjusted for wealth and education; model IV, combination of models II and III additionally adjusted for residence.
*P≤0·05, **P≤0·01, ***P≤0·001.