From: The impact of food fortification on stunting in Zimbabwe: does gender of the household head matter?
 | Mean before matching | Mean after matching | % Bias Reduction | ||||
---|---|---|---|---|---|---|---|
Variables | Treated | Controlled | P-value | Treated | Controlled | P-value | |
Household head is female | 0.241 | 0.266 | 0.004 | 0.241 | 0.225 | 0.185 | 40.6 |
Household head age [Years] | 42.038 | 42.485 | 0.153 | 42.038 | 42.069 | 0.938 | 93.2 |
Married | 0.806 | 0.794 | 0.151 | 0.806 | 0.81 | 0.677 | 62.3 |
Living with partner | 0.024 | 0.02 | 0.131 | 0.024 | 0.026 | 0.661 | 57.1 |
Divorced/separated | 0.042 | 0.045 | 0.437 | 0.042 | 0.038 | 0.487 | −12.7 |
Widow/Widower | 0.113 | 0.13 | 0.018 | 0.113 | 0.109 | 0.572 | 70 |
Primary level | 0.319 | 0.405 | 0 | 0.319 | 0.326 | 0.579 | 91.8 |
ZJC level | 0.109 | 0.098 | 0.069 | 0.109 | 0.107 | 0.86 | 86.6 |
O′ level | 0.409 | 0.333 | 0 | 0.409 | 0.404 | 0.697 | 93.2 |
A’ level | 0.024 | 0.017 | 0.006 | 0.024 | 0.026 | 0.602 | 69.9 |
Diploma/Certificate after primary | 0.008 | 0.003 | 0 | 0.008 | 0.009 | 0.66 | 79.6 |
Diploma/Certificate after secondary | 0.041 | 0.012 | 0 | 0.041 | 0.036 | 0.394 | 84.5 |
Graduate/Post-Graduate | 0.026 | 0.006 | 0 | 0.026 | 0.027 | 0.932 | 98.2 |
Household size | 4.721 | 4.714 | 0.872 | 4.721 | 4.716 | 0.933 | 30 |
Proportion of economically active household members | 0.456 | 0.42 | 0 | 0.456 | 0.459 | 0.615 | 90.6 |
Number of chronically ill household members | 0.135 | 0.15 | 0.128 | 0.135 | 0.135 | 0.975 | 97.4 |
Number of mentally ill household members | 0.084 | 0.09 | 0.407 | 0.084 | 0.076 | 0.358 | −36.3 |
Number of children with sick mothers in the household | 0.019 | 0.028 | 0.015 | 0.019 | 0.016 | 0.578 | 76.6 |
Number of children with sick fathers in the household | 0.017 | 0.017 | 0.876 | 0.017 | 0.014 | 0.465 | − 416.9 |
Household is located in rural areas | 0.921 | 0.924 | 0.487 | 0.921 | 0.92 | 0.92 | 80.3 |
Bulawayo | 0.008 | 0.019 | 0 | 0.008 | 0.006 | 0.329 | 78.7 |
Manicaland | 0.108 | 0.102 | 0.322 | 0.108 | 0.115 | 0.461 | −2.6 |
Mash Central | 0.093 | 0.121 | 0 | 0.093 | 0.083 | 0.228 | 66.7 |
Mash East | 0.207 | 0.121 | 0 | 0.207 | 0.21 | 0.737 | 95.6 |
Mash West | 0.104 | 0.111 | 0.313 | 0.104 | 0.1 | 0.652 | 42.4 |
Mat North | 0.149 | 0.118 | 0 | 0.149 | 0.142 | 0.486 | 78.3 |
Mat South | 0.087 | 0.106 | 0.004 | 0.087 | 0.089 | 0.81 | 89.8 |
Midlands | 0.079 | 0.135 | 0 | 0.079 | 0.076 | 0.61 | 93.3 |
Masvingo | 0.113 | 0.132 | 0.006 | 0.113 | 0.124 | 0.22 | 43.2 |
Pseudo R2 | Â | Â | 0.045 | Â | Â | 0.002 | Â |
Mean bias | Â | Â | 7.5 | Â | Â | 1.5 | Â |
P-value joint equality of means | Â | Â | 0 | Â | Â | 0.995 | Â |