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

From: Decomposing differences in depressive symptoms between older rural-to-urban migrant workers and their counterparts in mainland China

Variables Before Matching After Matching Before Matching After Matching
older rural-to-urban migrant workers older rural dwellers older rural-to-urban migrant workers older urban residents
L1 mean L1 mean L1 mean L1 mean
Age group 0.052 −0.052 2.3e-15 9.5e-15 0.052 −0.052 3.3e-16 −2.4e-15
Gender 0.071 −0.071 2.5e-15 −2.7e-15 0.071 −0.071 3.1e-16 −8.9e-16
Living arrangement 0.049 −0.049 6.5e-16 2.7e-15 0.049 −0.049 1.2e-16 2.2e-15
Educational attainment 0.050 0.078 5.1e-16 6.7e-16 0.050 0.078 1.2e-16 −3.1e-15
Social activity 0.175 −0.086 1.0e-15 3.6e-14 0.175 −0.086 1.8e-16 −8.9e-16
Smoke 0.164 −0.069 2.7e-15 1.8e-15 0.164 −0.069 2.5e−16 -1.3e15
Drink 0.062 0.071 3.5e-15 8.4e-15 0.062 0.071 5.8e-16 −7.1e-15
Income quintiles 0.052 −0.052 2.3e-15 9.5e-15 0.052 −0.052 3.3e-16 −2.4e-15
L1 0.478 3.4e-15 0.456 5.9e-16
  1. L1 reported the L1j measure, which is L1 computed for the j th variable separated. The mean was labeled in parentheses reported the difference in means