Table 2.
Longitudinal Change in SAS and SDS Scores by Increasing the Days of Quarantine
| Variables | Model 1 (Dependent Variable: SAS) | Model 2 (Dependent Variable: SDS) | ||
|---|---|---|---|---|
| Coefficient(95% CI) | P value | Coefficient(95% CI) | P value | |
| Independent variables | ||||
| Days of quarantine(T) (linear) | −0.81(−1.00 to −0.62) | <0.0001 | −0.75(−0.97 to −0.53) | <0.0001 |
| Days of quarantine2 (T2) (quadratic) | 0.04(0.02 to 0.06) | <0.0001 | 0.04(0.02 to 0.06) | <0.0001 |
| Confounding variables | ||||
| Gender (ref=female) | −0.43(−1.60 to 0.74) | 0.65 | −1.84(−3.73 to 0.06) | 0.057 |
| Age (ref=under 18) | ||||
| 18~30 | 3.17(0.52 to 5.83) | 0.019 | 3.98(0.14 to 7.83) | 0.042 |
| 31~40 | 1.93(−1.34 to 5.20) | 0.24 | 0.30(−4.45 to 5.05) | 0.90 |
| 41~50 | 0.87(−2.57 to 4.32) | 0.62 | 2.02(−2.97 to 7.02) | 0.43 |
| 51~ | 0.33(−3.73 to 4.40) | 0.87 | 2.00(−3.89 to 7.89) | 0.50 |
| Job(ref=student) | ||||
| Employed | 1.53(−0.69 to 3.76) | 0.17 | 2.20(−1.03 to 5.44) | 0.18 |
| Unemployed | 12.87(2.24 to 23.51) | 0.018 | 18.00(2.87 to 33.13) | 0.020 |
| Education(ref= Secondary school and below) | ||||
| College degree | 1.66(−1.04 to 4.37) | 0.23 | 2.17(−1.76 to 6.10) | 0.28 |
| University-Bachelor | −0.41(−2.15 to 1.35) | 0.65 | −0.10(−2.65 to 2.45) | 0.94 |
| University-Master and above | 1.56(−0.78 to 3.91) | 0.19 | 3.44(0.04 to 6.84) | 0.047 |
| Route of entry (ref= International transportation) | 0.49(−1.20 to 2.13) | 0.58 | 1.84(−0.57 to 4.26) | 0.13 |
| Sunlight in room (ref=Poor sunlight) | −0.10(−1.27 to 1.06) | 0.86 | 0.72(−0.90 to 2.34) | 0.38 |
| Period of responses | 0.18(−0.06 to 0.41) | 0.13 | 0.39(0.06 to 0.73) | 0.020 |
Abbreviations: SAS, self-rating anxiety scale; SDS, self-rating depression scale.