variable

sample

Treated

Controlled

Difference

SD

T test

EP1

before matching

0.241

0.268

−0.0269

0.0207

−1.3

ATT

0.241

0.273

−0.0325

0.0157

−2.07

EP3

before matching

11.56

11.57

−0.0182

0.575

−0.03

ATT

11.56

11.41

0.148

0.522

0.28

EP2

before matching

41.73

40.52

1.207

0.839

1.44

ATT

41.73

40.26

1.467

0.722

2.03