Table 8 Bias reduction of private SSN model (after matching).
Variable | Unmatched (U) Matched (M) | Mean | %Bias | % reduction in │bias│ | t-test | V(T)/V(C) | ||
|---|---|---|---|---|---|---|---|---|
Treated | Control | T | p > │t│ | |||||
(Household head Age) ^2 | U | 2024.4 | 2347 | −24.3 | 76.0 | −2.36 | 0.018 | 1.13 |
M | 2061.4 | 2138.8 | −5.8 | −0.41 | 0.684 | 1.22 | ||
Electricity connection | U | 0.684 | 0.896 | −53.9 | 90.1 | −6.24 | 0.000 | 2.35* |
M | 0.674 | 0.695 | −5.3 | −0.31 | 0.756 | 1.04 | ||
Attempted to obtain loan | U | 0.490 | 0.312 | 36.8 | 76.3 | 3.60 | 0.000 | 1.17 |
M | 0.474 | 0.432 | 8.7 | 0.58 | 0.562 | 1.02 | ||
Age of household head | U | 42.714 | 46.593 | −28.2 | 68.8 | −2.75 | 0.006 | 1.15 |
M | 43.147 | 44.358 | −8.8 | −0.61 | 0.543 | 1.17 | ||
Household size | U | 6.031 | 6.391 | −11.8 | 73.7 | −1.13 | 0.258 | 1.05 |
M | 5.958 | 5.863 | 3.1 | 0.22 | 0.825 | 1.24 | ||
Punjab | U | 0.306 | 0.813 | −118.4 | 95.8 | −12.08 | 0.000 | 1.41 |
M | 0.316 | 0.337 | −4.9 | −0.31 | 0.758 | 0.97 | ||
Sindh | U | 0.612 | 0.103 | 125.0 | 100.0 | 14.86 | 0.000 | 2.60* |
M | 0.600 | 0.600 | 0.0 | 0.00 | 1.000 | 1.00 | ||
KPK | U | 0.082 | 0.084 | −0.9 | −736.7 | −0.09 | 0.932 | 0.98 |
M | 0.084 | 0.063 | 7.6 | 0.55 | 0.581 | 1.30 | ||
No. of large animals | U | 0.714 | 0.932 | −24.6 | 95.2 | −2.23 | 0.026 | 0.81 |
M | 0.705 | 0.695 | 1.2 | 0.10 | 0.924 | 1.56* | ||
No. of small animals | U | 1.306 | 1.196 | 12.7 | 80.9 | 1.26 | 0.208 | 1.23 |
M | 1.284 | 1.305 | −2.4 | −0.17 | 0.868 | 1.17 | ||
Education of household head | U | 3.704 | 3.320 | 8.5 | −45.2 | 0.85 | 0.397 | 1.29 |
M | 3.379 | 3.937 | −12.3 | −0.80 | 0.425 | 0.77 | ||
Pucca house | U | 0.276 | 0.552 | −58.3 | 100.0 | −5.30 | 0.000 | 0.81 |
M | 0.263 | 0.263 | 0.0 | 0.00 | 1.000 | 1.00 | ||
