Sociodemographic characteristics of the study participants
| Variables | Categories | Unweighted frequency (%) | Weighted frequency (%) |
| Age of mothers | 15–24 | 34 983 (29.05) | 35 918 (30.75) |
| 25–34 | 68 386 (56.78) | 65 971 (56.48) | |
| ≥35 | 17 073 (14.18) | 14 906 (12.76) | |
| Mothers education | No education | 27 995 (23.24) | 26 845 (22.98) |
| Primary education | 19 684 (16.34) | 18 633 (15.95) | |
| Secondary | 57 008 (47.33) | 54 185 (46.39) | |
| Higher | 15 755 (13.08) | 17 131 (14.67) | |
| Mothers marital status | Not in union | 5583 (4.64) | 4987 (4.27) |
| Married | 114 859 (95.36) | 111 807 (95.73) | |
| Currently breast feeding | No | 44 160 (36.66) | 43 338 (37.11) |
| Yes | 76 282 (63.34) | 73 457 (62.89) | |
| Delivery by caesarean section | No | 99 291 (82.49) | 93 974 (80.51) |
| Yes | 21 077 (17.51) | 22 748 (19.49) | |
| Family size | ≤5 | 56 365 (46.80) | 53 677 (45.96) |
| 6–10 | 54 605 (45.34) | 53 258 (45.60) | |
| >10 | 9472 (7.86) | 9859 (8.44) | |
| Wealth index | Poorest | 28 097 (23.33) | 23 749 (20.33) |
| Poorer | 27 352 (22.71) | 24 774 (21.21) | |
| Middle | 24 741 (20.54) | 24 330 (20.83) | |
| Richer | 22 180 (18.42) | 23 880 (20.45) | |
| Richest | 18 072 (15.00) | 20 061 (17.18) | |
| Media access | No | 33 942 (28.18) | 32 256 (27.62) |
| Yes | 86 500 (71.82) | 84 539 (72.38) | |
| Parity | Primiparous | 36 241 (30.09) | 35 333 (30.25) |
| Multiparous | 76 092 (63.18) | 73 823 (63.21) | |
| Grand multiparous | 8109 (6.73) | 7639 (6.54) | |
| Age of child | ≤12 | 38 959 (32.35) | 38 059 (32.59) |
| 13–23 | 25 382 (21.07) | 24 819 (21.25) | |
| 24–35 | 22 208 (18.44) | 21 478 (18.39) | |
| 36–47 | 17 948 (14.90) | 17 204 (14.73) | |
| 48–59 | 15 945 (13.24) | 15 234 (13.04) | |
| Sex of child | Male | 63 660 (52.86) | 62 008 (53.09) |
| Female | 56 782 (47.14) | 54 787 (46.91) | |
| Type of toilet facility | Unimproved | 37 519 (31.15) | 38 518 (32.98) |
| Improved | 82 923 (68.85) | 78 277 (67.02) | |
| Source of drinking water | Unimproved | 20 959 (17.40) | 19 159 (16.40) |
| Improved | 99 483 (82.60) | 97 636 (83.60) | |
| Residence | Urban | 28 722 (23.85) | 33 838 (28.97) |
| Rural | 91 720 (76.15) | 82 957 (71.03) | |
| Distance to a health facility | No problem | 84 605 (70.25) | 84 776 (72.58) |
| Big problem | 35 837 (29.75) | 32 019 (27.42) |