variable

sample

Treated

Controlled

Difference

SD

T test

EP1

before matching

0.241

0.268

−0.0269

0.0207

−1.300

ATT

0.241

0.268

−0.0271

0.0152

−1.790

EP3

before matching

11.56

11.57

−0.0182

0.575

−0.0300

ATT

11.56

11.58

−0.0185

0.509

−0.0400

EP2

before matching

41.73

40.52

1.207

0.839

1.440

ATT

41.73

40.53

1.199

0.701

1.710