Table 4.
Linear regression models for each mental health outcome.
| PHQ-9 (n = 1,273, df = 16, 1256) | GAD-7 (n = 1,270, df = 16, 1253) | WHO-5 (n = 1,271, df = 16, 1254) | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| estimate | p | estimate | p | estimate | p | |||||||
| Constant | 3.73 | <.001*** | 2.36 | .012* | 12.41 | <.001*** | ||||||
| Sociodemographic and background factors | ||||||||||||
| Age | −0.05 | <.001*** | −0.04 | <.001*** | 0.03 | .002** | ||||||
| Gender | 0.84 | .003** | 1.02 | <.001*** | −1.76 | <.001*** | ||||||
| Education | −0.10 | .055 | −0.04 | .361 | 0.14 | .022 | ||||||
| Has partner | −0.47 | .150 | 0.14 | .627 | 0.60 | .106 | ||||||
| Lives alone | 0.23 | .628 | −0.14 | .739 | −0.26 | .627 | ||||||
| Child at home | −0.28 | .359 | −0.03 | .928 | 0.53 | .126 | ||||||
| Any chronic disease | 0.64 | .052 | 0.54 | .072 | −0.83 | .026 | ||||||
| Any neurological disorder | 1.29 | .006** | 0.42 | .320 | −0.49 | .352 | ||||||
| Any current MH disorder | 4.65 | <.001*** | 3.92 | <.001*** | −3.07 | <.001*** | ||||||
| Recent adversity | ||||||||||||
| Bushfire exposure—smoke | 0.26 | .336 | 0.15 | .534 | −0.96 | .002** | ||||||
| Bushfire exposure—fire | −0.40 | .406 | −0.48 | .282 | 0.72 | .188 | ||||||
| Other adverse life event | 1.80 | <.001*** | 1.31 | <.001*** | −0.32 | .411 | ||||||
| COVID-19 exposure | ||||||||||||
| COVID-19 exposure | 0.24 | .129 | 0.18 | .210 | 0.39 | .028 | ||||||
| Work and social impacts of COVID-19 | ||||||||||||
| Lost job | 0.43 | .383 | 0.51 | .255 | −0.24 | .660 | ||||||
| Financial distress | 2.32 | <.001*** | 2.10 | <.001*** | −2.38 | <.001*** | ||||||
| WSAS | 0.09 | <.001*** | 0.06 | <.001*** | −0.06 | .005** | ||||||
| R2 | Adjusted R2 | F | R2 | Adjusted R2 | F | R2 | Adjusted R2 | F | ||||
| Model | .369 | .361 | 45.91*** | .322 | .314 | 38.48*** | .208 | .198 | 20.53*** | |||
*p < .017. **p < .001. ***p < .001.
Bold indicates tests significant at p < .017.