Table 4.
Results of Balance Check
| Before Matching | 1:1 Nearest Neighbor Matching | 1:4 Nearest Neighbor Matching | Caliper Matching | 1:4 Caliper Matching | Kernel Matching | |
|---|---|---|---|---|---|---|
| SB (t) | SB (t) | SB (t) | SB (t) | SB (t) | SB (t) | |
| Social support | −31.10 (−4.32***) | -9.10 (-0.95 | -3.10 (-0.31) | -5.40 (-0.57) | 0.10 (0.01) | -2.50 (-0.25) |
| Gender (ref: Female) | 17.70 (2.36*) | -6.80 (-0.68) | 0.90 (0.09) | -2.10 (0.20) | 2.20 (0.22) | 0.50 (0.05) |
| Age | −11.00 (−1.41) | 4.40 (0.48) | −0.10 (−0.01) | 1.00 (0.10) | −0.50 (−0.06) | 1.70 (0.18) |
| Education (ref: Junior college) | ||||||
| Bachelor | −4.90 (−0.65) | -7.40 (-0.77) | −2.70 (−0.28) | −5.00 (−0.50) | −1.20 (−0.12) | 2.40 (0.24) |
| Master or above | 1.60 (0.21) | 2.80 (0.30) | 6.80 (0.71) | 2. 00(0.20) | 1.80(0.19) | -1.10(-0.11) |
| Working time (ref: ≤8 hours/day) | 34.20 (4.46***) | -1.90 (0.20) | 3.50(0.36) | -2.00 (0.20) | 3.70 (0.37) | 4.10 (0.42) |
| Working at a designated hospital (ref: No) | 16.20 (2.10*) | 6.60 (0.70) | 2.60 (0.27) | 8.10 (0.81) | 1.20 (0.12) | 1.10 (0.11) |
| Household transmission-related fears (ref: No) | 18.80 (2.29*) | 1.60 (0.19) | 2.80 (0.33) | 1.70(-0.19) | 3.60 (0.39) | 0.40 (0.04) |
| Discriminated against for nature of their job (ref: No) | 29.70 (4.14***) | -4.40 (-0.42) | 6.40 (0.62) | -2.40(-0.23) | 2.90 (0.28) | 2.90 (0.28) |
| Adequacy of preventive medical equipment (ref: Enough or basically enough) | ||||||
| Insufficient | 3.30(0.44) | -2.90 (-0.29) | -1.60 (-0.17) | 2.00 (0.20) | -0.40 (-0.04) | 3.50 (0.36) |
| Scarce | 20.80 (3.00**) | −11.1 (−0.98) | −6.80 (−0.61) | −17.00 (−0.160) | -15.2 (−1.44) | -3.30 (-0.32) |
| Job type (ref: Doctor) | ||||||
| Nurse | −8.60 (−1.11) | −2.20 (−0.24) | −3.70 (−0.39) | −4.80 (−0.49) | −2.00 (−0.20) | −1.60 (−0.17) |
| Other | −9.10 (−1.17) | -1.30 (-0.14) | -0.30(-0.03) | −0.30 (−0.03) | -0.30 (-0.03) | −0.90 (−0.09) |
Note: ***P<0.001, *P<0.05.