| Use | 2006 | 2017-2018 | ||||||
| Odds Ratio | P > t | [95% Conf. Interval] | Odds Ratio | P > t | [95% Conf. Interval] | |||
| Region | ||||||||
| Alibori | Ref. | Ref. | ||||||
| Atacora | 5.13 | 0.000*** | 2.898 | 9.079 | 1.49 | 0.056* | 0.990 | 2.237 |
| Atlantique | 1.44 | 0.236 | 0.788 | 2.618 | 1.30 | 0.333 | 0.761 | 2.235 |
| Borgou | 2.73 | 0.001*** | 1.550 | 4.793 | 1.15 | 0.405 | 0.826 | 1.603 |
| Collines | 4.57 | 0.000*** | 2.533 | 8.256 | 0.64 | 0.054* | 0.420 | 1.008 |
| Couffo | 5.40 | 0.000*** | 2.825 | 10.305 | 1.01 | 0.985 | 0.558 | 1.811 |
| Donga | 5.34 | 0.000*** | 2.852 | 10.001 | 0.95 | 0.783 | 0.664 | 1.361 |
| Littoral | 2.14 | 0.015** | 1.161 | 3.946 | 1.24 | 0.431 | 0.725 | 2.126 |
| Mono | 3.65 | 0.000*** | 1.810 | 7.379 | 1.48 | 0.207 | 0.805 | 2.718 |
| Ouémé | 4.21 | 0.000*** | 2.335 | 7.595 | 0.46 | 0.003*** | 0.281 | 0.766 |
| Plateau | 3.93 | 0.000*** | 2.078 | 7.423 | 1.00 | 0.993 | 0.558 | 1.803 |
| Zou | 4.19 | 0.000*** | 2.313 | 7.602 | 1.47 | 0.158 | 0.862 | 2.497 |
| Area of residence | ||||||||
| Urban | Ref. | Ref. | ||||||
| Rural | 1.15 | 0.104 | 0.971 | 1.366 | 0.92 | 0.351 | 0.780 | 1.093 |
| Wealth quintile | ||||||||
| Lowest | Ref. | Ref. | ||||||
| Second | 1.70 | 0.000*** | 1.353 | 2.130 | 1.25 | 0.026** | 1.028 | 1.531 |
| Meddle | 2.21 | 0.000*** | 1.779 | 2.755 | 1.24 | 0.075* | 0.979 | 1.563 |
| Fourth | 2.95 | 0.000*** | 2.313 | 3.762 | 1.12 | 0.293 | 0.906 | 1.385 |
| Highest | 4.20 | 0.000*** | 3.221 | 5.472 | 1.22 | 0.165 | 0.923 | 1.601 |
| Household size | ||||||||
| 0 to 4 persons | Ref. | Ref. | ||||||
| 5 to 6 persons | 0.83 | 0.018** | 0.710 | 0.968 | 0.83 | 0.067* | 0.686 | 1.013 |
| 7 to 9 persons | 0.70 | 0.000*** | 0.593 | 0.820 | 0.54 | 0.000*** | 0.443 | 0.655 |
| 10 persons & more | 0.52 | 0.000*** | 0.419 | 0.644 | 0.31 | 0.000*** | 0.249 | 0.382 |
| Religion | ||||||||
| Traditional | Ref | Ref | ||||||
| Islam | 1.42 | 0.015** | 1.070 | 1.877 | 1.23 | 0.150 | 0.928 | 1.626 |
| Catholic | 1.77 | 0.000*** | 1.440 | 2.179 | 1.28 | 0.044** | 1.006 | 1.624 |
| Protestant/Celestial | 1.57 | 0.000*** | 1.259 | 1.964 | 1.13 | 0.360 | 0.871 | 1.459 |
| Other Christian | 1.19 | 0.122 | 0.955 | 1.478 | 1.25 | 0.072* | 0.980 | 1.598 |
| Other/No religion | 1.31 | 0.053* | 0.997 | 1.709 | 1.07 | 0.686 | 0.785 | 1.444 |
| Ethnic group | ||||||||
| Adja & App. | Ref. | Ref. | ||||||
| Bariba & Dendi | 0.76 | 0.229 | 0.485 | 1.189 | 0.87 | 0.586 | 0.537 | 1.422 |
| Fon & App. | 0.85 | 0.217 | 0.665 | 1.097 | 1.08 | 0.691 | 0.747 | 1.553 |
| Lokpa & Bétamaribè | 0.60 | 0.022** | 0.388 | 0.930 | 0.66 | 0.126 | 0.390 | 1.124 |
| Peulh & App. | 0.41 | 0.006*** | 0.224 | 0.772 | 0.62 | 0.080* | 0.369 | 1.057 |
| Yoruba & App. | 0.70 | 0.039** | 0.504 | 0.983 | 0.94 | 0.781 | 0.588 | 1.490 |
| Otherethnic group | 0.53 | 0.086* | 0.253 | 1.096 | 1.14 | 0.658 | 0.642 | 2.017 |
| Mother’s age | ||||||||
| 15 - 19 years old | Ref. | Ref. | ||||||
| 20 - 24 years old | 0.93 | 0.625 | 0.704 | 1.235 | 1.59 | 0.002*** | 1.191 | 2.136 |
| 25 - 29 years old | 1.00 | 0.986 | 0.760 | 1.322 | 1.51 | 0.004*** | 1.145 | 2.001 |
| 30 - 34 years old | 0.82 | 0.177 | 0.616 | 1.093 | 1.85 | 0.000*** | 1.383 | 2.466 |
| 35 - 39 years old | 0.95 | 0.731 | 0.707 | 1.275 | 1.59 | 0.003*** | 1.174 | 2.163 |
| 40 - 44 years old | 0.74 | 0.108 | 0.506 | 1.070 | 1.92 | 0.000*** | 1.377 | 2.678 |
| 45 - 49 years old | 0.87 | 0.564 | 0.541 | 1.398 | 1.17 | 0.398 | 0.797 | 1.767 |
| Education level | ||||||||
| No-education | Ref. | Ref. | ||||||
| Primary | 1.23 | 0.007*** | 1.057 | 1.424 | 1.14 | 0.149 | 0.953 | 1.370 |
| Secondary | 1.33 | 0.008*** | 1.077 | 1.655 | 1.18 | 0.106 | 0.966 | 1.437 |
| Superior | 1.91 | 0.081* | 0.924 | 3.955 | 0.76 | 0.307 | 0.452 | 1.285 |
| Occupation | ||||||||
| None | Ref | Ref. | ||||||
| Professional/liberal | 1.17 | 0.493 | 0.751 | 1.810 | 1.43 | 0.100 | 0.934 | 2.185 |
| Shopkeepers | 1.00 | 0.978 | 0.831 | 1.209 | 1.19 | 0.051* | 0.999 | 1.425 |
| Women farmers | 0.94 | 0.573 | 0.753 | 1.170 | 1.00 | 0.981 | 0.820 | 1.225 |
| Services | - | - | - | - | 1.39 | 0.004*** | 1.109 | 1.752 |
| Manual not & qualified | 1.34 | 0.019* | 1.050 | 1.708 | 1.13 | 0.263 | 0.91 | 1.414 |
| Other | - | - | - | 1.01 | 0.983 | 0.581 | 1.743 | |
| Child’s age | ||||||||
| 0 to 11 months | Réf. | Réf. | ||||||
| 12 to 23 months | 0.75 | 0.000*** | 0.660 | 0.860 | 1.00 | 0.975 | 0.869 | 1.155 |
| 24 to 35 months | 0.65 | 0.000*** | 0.571 | 0.748 | 0.86 | 0.028** | 0.746 | 0.983 |
| 36 to 47 months | 0.62 | 0.000*** | 0.545 | 0.707 | 0.88 | 0.045** | 0.776 | 0.997 |
| 48 to 59 months | 0.67 | 0.000*** | 0.583 | .0781 | 0.83 | 0.011** | 0.717 | 0.958 |
| Child’s gender | ||||||||
| Male | Réf. | Réf. | ||||||
| Female | 0.97 | 0.492 | 0.891 | 1.057 | 1.034305 | 0.498 | 0.938061 | 1.140425 |