Table 5 Performance of the propensity score matching: quality measurements
Variable | Sample | Mean | % bias reduction | %bias | t- statistic | p-value | |
|---|---|---|---|---|---|---|---|
Treated | Control | ||||||
Age | Unmatched | 1.19 | 1.03 | 20.3 | 0.911 | 26.40 | &濒迟;鈥�0.001 |
| 听 | Matched | 1.18 | 1.18 | -0.1 | 0.935 | 99.7 | 0.08 |
Partner Age | Unmatched | 1.22 | 1.14 | 11.6 | 0.94 | 15.15 | &濒迟;鈥�0.0001 |
| 听 | Matched | 1.22 | 1.22 | 0.1 | 0.920 | 99.3 | 0.10 |
Media exposure | Unmatched | 0.65 | 0.62 | 0.9 | -1.46 | 1.22 | 0.223 |
| 听 | Matched | 0.65 | 0.65 | 0.2 | 0.822 | 79.4 | 0.22 |
Partner education | Unmatched | 1.23 | 1.31 | -10.1 | 0.81 | -13.05 | &濒迟;鈥�0.0001 |
| 听 | Matched | 1.23 | 1.23 | -0.2 | 0.812 | 98.1 | 0.24 |
Residence | Unmatched | 1.72 | 1.69 | 5.9 | 0.95* | 7.75 | &濒迟;鈥�0.0001 |
| 听 | Matched | 1.71 | 1.71 | -0.0 | 0.962 | 99.3 | 0.065 |
Sex household | Unmatched | 1.30 | 1.28 | 5.9 | 1.05* | 7.74 | &濒迟;鈥�0.0001 |
| 听 | Matched | 1.30 | 1.30 | 0.1 | 0.933 | 98.8 | 0.08 |