Table 2 Balancing tests.
From: Impact of corrupt admission on the mental health of Chinese adolescents
Bias | |||
|---|---|---|---|
Before matching (%) | After matching (%) | Reduction (%) | |
Age | 16.2 | 2.5 | 84.3 |
Gender | 8.8 | −1.4 | 84.1 |
Nationality | −15.2 | −2.6 | 83 |
Test scores | −14.9 | −1.5 | 90.3 |
Grade | 10.2 | 1.5 | 85.6 |
Family economic condition | 5.2 | −3.9 | 25.3 |
Parents' education level | 0.3 | −4.4 | −1407.6 |
Number of students within class | 18.3 | −2 | 89.3 |
Class rank within school | −7.5 | −0.3 | 96 |
School rank within district | 7.7 | 0 | 100 |
All covariates | 10.4 | 2 | 80.8 |
Rubin's B | 32.9 | 6.6 | |