Table 3 The L₁ measure of imbalance before and after Coarsened Exact Matching

Gender

0.167

(0.167)

2.0e-15

(−1.4e-15)

0.083

(0.083)

1.6e-14

(−1.0e-14)

0.084

(− 0.084)

3.4e-14

(1.7e-14)

Age

0.253

(0.419)

1.1e-15

(−6.2e-15)

0.153

(0.280)

1.4e-14

(−1.1e-13)

0.125

(− 0.139)

3.4e-14

(−9.1e-14)

Marital status

0.199

(0.169)

2.5e-16

(−2.7e-15)

0.099

(0.069)

5.3e-15

(−7.1e-14)

0.101

(−0.091)

1.1e-14

(−6.5e-14)

Education status

0.175

(0.488)

7.7e-16

(−2.7e-15)

0.516

(1.296)

1.2e-14

(3.1e-15)

0.341

(0.808)

2.6e-14

(5.5e-14)

Commercial insurance

0.001

(−0.001)

3.5e-16

(−2.4e-17)

0.011

(0.011)

1.4e-15

(−1.1e-15)

0.012

(0.012)

7.9e-15

(−3.1e-15)

Annual personal expenditure

0.139

(0.465)

6.4e-16

(−1.3e-15)

0.451

(1.395)

1.2e-14

(−2.0e-13)

0.331

(1.041)

3.5e-14

(−1.4e-13)

Multivariate L₁

0.507

2.751e-16

0.709

9.850e-15

0.533

3.086e-14

N

7522

6802

42,956

34,169

40,320

36,928