Table 3: Multilevel multivariate logistic regression analysis of the size at birth showing the adjusted odds (with 95% confidence interval) of small size at birth as perceived by mothers across demographic and socio-economic factors, BDHS 2011.
| Factors | Estimate | Stand. Error | OR | 95% CI of OR | P-value |
| lower | upper |
| Region |
| Barisal | .041 | .150 | 1.041 | 0.776 | 1.398 | .786 |
| Chittagong | .452 | .130 | 1.572 | 1.218 | 2.029 | .000 |
| Dhaka | .115 | .136 | 1.122 | 0.860 | 1.464 | .395 |
| Khulna | .059 | .148 | 1.061 | 0.794 | 1.418 | .689 |
| Rajshahi | .091 | .144 | 1.095 | 0.826 | 1.453 | .528 |
| Rangpur | | | 1.000 | Reference | | |
| Sylhet | .529 | .136 | 1.700 | 1.299 | 2.217 | .000 |
| Mothers education |
| No education | .539 | .165 | 1.587 | 1.176 | 2.143 | .001 |
| Primary | .461 | .153 | 1.434 | 1.079 | 1.097 | .002 |
| Secondary | .360 | .145 | 1.715 | 1.241 | 2.372 | .013 |
| Higher | | | 1.000 | Reference | | |
| Number of ANC visit |
| 0 | .375 | .096 | 1.455 | 1.205 | 1.759 | .000 |
| 1-3 | .246 | .089 | 1.279 | 1.074 | 1.522 | .005 |
| 4+ | | | 1.000 | Reference | | |
| Pregnancy was wanted |
| Then | | | 1.000 | Reference | | |
| Later | .187 | .088 | 1.205 | 1.014 | 1.434 | .034 |
| No more | .210 | .104 | 1.235 | 1.007 | 1.514 | .042 |
| Birth order |
| 1 | .278 | .111 | 1.321 | 1.062 | 1.643 | .012 |
| 2-3 | .005 | .099 | 1.005 | .776 | 1.398 | .957 |
| 4+ | | | 1.000 | Reference | | |
| Children gender |
| Male | | | 1.000 | Reference | | |
| Female | .270 | .064 | 1.310 | 1.156 | 1.486 | .000 |