Table 3.
The Akaike Information Criterion (AIC) values of the 17 influence factors for anxiety and depression.
| In/Out | Influence factor | Df | Deviance | AIC |
|---|---|---|---|---|
| Anxiety | ||||
| <none> | 447.52 | 507.52 | ||
| Out | wearing masks routinely | 1 | 446.65 | 508.65 |
| Out | having relatives or friends who have been infected | 1 | 447.49 | 509.49 |
| Out | satisfaction of living conditions in school (1 for very unsatisfied, 5 for very satisfied) | 4 | 441.6 | 509.6 |
| In | taking temperature routinely | 1 | 451.68 | 509.68 |
| Out | several areas in school closed due to COVID-19 | 1 | 446.72 | 510.72 |
| In | retaining holiday | 1 | 456.94 | 512.94 |
| In | self-rating sleep quality (1 for very poor, 5 for very good) | 4 | 463.64 | 515.64 |
| In | taking final examination after school reopening | 1 | 457.95 | 515.95 |
| In | lockdown restriction | 1 | 462.73 | 518.73 |
| In | exercise frequency (past 1 week) | 4 | 472.48 | 524.48 |
| In | quarantine of classmates | 1 | 467.86 | 525.86 |
| In | take-out food availability | 1 | 470.69 | 526.69 |
| In | alcohol use (past 2 week) | 4 | 476.08 | 528.08 |
| In | availability of package delivery | 1 | 472.56 | 528.56 |
| In | school reopening | 1 | 473.96 | 531.96 |
| In | self-quarantine after school reopening | 1 | 476.11 | 534.11 |
| In | the degree of family economic status influenced by COVID-19 (1 for little, 5 for much) | 4 | 482.45 | 534.45 |
| Depression | ||||
| <none> | 1205.8 | 1275.8 | ||
| In | taking the final examination after school reopening | 1 | 1208.5 | 1276.5 |
| Out | retaining holiday | 1 | 1203 | 1277 |
| In | taking temperature routinely | 1 | 1209.2 | 1277.2 |
| Out | school reopening | 1 | 1205.8 | 1277.8 |
| In | several areas in school closed due to COVID-19 | 1 | 1212.5 | 1278.5 |
| In | availability of package delivery | 1 | 1213.7 | 1279.7 |
| In | exercise frequency (past 1 week) | 4 | 1227 | 1289 |
| In | the degree of family economic status influenced by COVID-19 (1 for little, 5 for much) | 4 | 1230.2 | 1292.2 |
| In | take-out food availability | 1 | 1228.2 | 1294.2 |
| In | satisfaction of living conditions in school (1 for very unsatisfied, 5 for very satisfied) | 4 | 1233.9 | 1295.9 |
| In | alcohol use (past 2 week) | 4 | 1240.1 | 1302.1 |
| In | wearing masks routinely | 1 | 1235.3 | 1303.3 |
| In | lockdown restriction | 1 | 1237.3 | 1303.3 |
| In | having relatives or friends who have been infected | 1 | 1238.5 | 1306.5 |
| In | quarantine of classmates | 1 | 1239 | 1307 |
| In | self-quarantine after school reopening | 1 | 1256.2 | 1324.2 |
| In | self-rating sleep quality (1 for very poor, 5 for very good) | 4 | 1272.8 | 1334.8 |
“In” means included in the logistic regression model; “Out” means excluded from the logistic regression model; DF, degrees of freedom.