Table 3:
Parameter estimates using quantile regression
| Covariates | EST | P-value | EST | P-value | EST | P-value | EST | P-value | EST | P-value | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| OLS | 0.25 | 0.50 | 0.75 | 0.90 | |||||||||||||||
| Intercept | 25.29 | <.0001 | 15.11 | <.0001 | 16.34 | <.0001 | 18.35 | <.0001 | 100.13 | <.0001 | |||||||||
| Place of residence (Ref. Urban) | |||||||||||||||||||
| Rural | 1.60 | 0.01 | −0.22 | 0.0081 | −0.11 | 0.1335 | 0.08 | 0.4543 | 0.43 | 0.3065 | |||||||||
| State (Ref.White Nile) | |||||||||||||||||||
| Blue Nile | −8.14 | <.0001 | 0.03 | 0.8172 | 0.07 | 0.6862 | −0.28 | 0.2191 | −80.65 | <.0001 | |||||||||
| Central Darfor | −4.07 | 0.0526 | 0.10 | 0.541 | 0.08 | 0.647 | 0.29 | 0.4559 | −75.36 | <.0001 | |||||||||
| East Darfor | −7.70 | <.0001 | −0.07 | 0.651 | −0.18 | 0.2005 | −0.73 | 0.0006 | −81.21 | <.0001 | |||||||||
| Gadarif | −4.65 | 0.0009 | −0.04 | 0.7622 | 0.04 | 0.8228 | 0.09 | 0.7233 | −77.67 | <.0001 | |||||||||
| Gezira | −8.44 | <.0001 | −0.28 | 0.0795 | −0.24 | 0.1729 | −0.40 | 0.0989 | −80.08 | <.0001 | |||||||||
| Kassala | 3.04 | 0.0562 | −0.26 | 0.0843 | −0.26 | 0.1551 | −0.24 | 0.6486 | 0.64 | 0.7926 | |||||||||
| Khartoum | −5.04 | <.0001 | −0.51 | 0.0006 | −0.61 | <.0001 | −0.98 | 0.0001 | −80.99 | <.0001 | |||||||||
| North Darfor | −2.23 | 0.1132 | −0.61 | 0.0002 | −0.69 | <.0001 | −1.05 | <.0001 | −78.16 | <.0001 | |||||||||
| North Kordofan | 0.56 | 0.6954 | 0.19 | 0.2114 | 0.23 | 0.1937 | −0.03 | 0.9191 | 0.02 | 0.995 | |||||||||
| Northern | −3.68 | 0.0717 | −0.12 | 0.4546 | −0.35 | 0.0303 | −0.69 | 0.0136 | −79.24 | <.0001 | |||||||||
| Red Sea | 9.66 | <.0001 | 0.01 | 0.9701 | 0.26 | 0.2994 | 2.47 | 0.1579 | 1.61 | 0.4911 | |||||||||
| River Nile | −1.31 | 0.4494 | −0.68 | 0.0001 | −0.54 | 0.0028 | −0.59 | 0.0262 | −0.39 | 0.9849 | |||||||||
| Sinnar | −0.64 | 0.6741 | −0.32 | 0.0474 | −0.38 | 0.0133 | −0.58 | 0.0241 | 0.46 | 0.9814 | |||||||||
| South Darfor | −6.86 | <.0001 | 0.04 | 0.7776 | −0.23 | 0.1631 | −0.78 | 0.0011 | −81.11 | <.0001 | |||||||||
| South Kordofan | −0.91 | 0.5712 | −0.06 | 0.6935 | 0.08 | 0.6589 | 0.18 | 0.5671 | −74.59 | 0.01 | |||||||||
| West Darfor | −6.87 | <.0001 | −0.16 | 0.2862 | −0.02 | 0.9142 | −0.26 | 0.3385 | −79.75 | <.0001 | |||||||||
| West Kordofan | −4.95 | 0.0005 | −0.10 | 0.6363 | −0.25 | 0.1988 | −0.42 | 0.1943 | −80.48 | <.0001 | |||||||||
| Educational Level (Ref. Secondary) | |||||||||||||||||||
| Higher | 1.64 | 0.1147 | 0.25 | 0.0829 | 0.25 | 0.1528 | 0.41 | 0.0951 | 0.28 | 0.6539 | |||||||||
| None | 0.31 | 0.6904 | −0.17 | 0.0644 | −0.25 | 0.0181 | −0.40 | 0.0055 | −0.69 | 0.1386 | |||||||||
| Primary | −0.07 | 0.9199 | −0.09 | 0.3348 | −0.15 | 0.1558 | −0.29 | 0.0343 | −0.65 | 0.1133 | |||||||||
| Gender (Ref.Male) | |||||||||||||||||||
| Female | −0.19 | 0.6876 | −0.46 | <.0001 | −0.37 | <.0001 | −0.39 | <.0001 | −0.33 | 0.1609 | |||||||||
| Age of child in month | −0.09 | 0.0064 | −0.01 | 0.0051 | −0.03 | <.0001 | −0.05 | <.0001 | −0.07 | <.0001 | |||||||||
| Still Breastfeeding (Ref.Yes) | |||||||||||||||||||
| No | 0.37 | 0.5877 | −0.09 | 0.3539 | −0.11 | 0.2331 | 0.02 | 0.8768 | 0.39 | 0.2496 | |||||||||
| Wealth index (Ref. Poor) | |||||||||||||||||||
| Higher | −0.25 | 0.7549 | 0.17 | 0.0817 | 0.24 | 0.0258 | 0.08 | 0.6001 | 0.10 | 0.8191 | |||||||||
| Middle | −1.23 | 0.0733 | 0.00 | 0.9851 | −0.02 | 0.8214 | −0.19 | 0.1677 | −0.25 | 0.4266 | |||||||||