Table 5.
Matching status for control variables
| Variable | L1 | mean | min | 25% | 50% | 75% | max | |
|---|---|---|---|---|---|---|---|---|
| Before matching | Gender | .016 | -.023 | 0 | 0 | 0 | 0 | 0 |
| Age | .078 | .200 | 1 | 1 | 0 | 0 | −9 | |
| Total academic years | .049 | -.076 | 0 | 0 | 0 | 0 | 0 | |
| Experience of programming code | .073 | .073 | 0 | 0 | 0 | 1 | 0 | |
| Experience of technical devices usage | .057 | .016 | 0 | 0 | 0 | 0 | 0 | |
| After matching | Gender | 3.6E-15 | 1.6E-14 | 0 | 0 | 0 | 0 | 0 |
| Age | .039 | -.028 | 1 | 0 | 0 | 0 | 0 | |
| Total academic years | 1.9E-15 | 4.0E-14 | 0 | 0 | 0 | 0 | 0 | |
| Experience of programming code | 1.8E-15 | 3.1E-15 | 0 | 0 | 0 | 0 | 0 | |
| Experience of technical devices usage | 3.5E-15 | 3.8E-14 | 0 | 0 | 0 | 0 | 0 |