Table 5.
Results of stepwise linear regressions with the demographic variables.
| Dependent variable | Predictors | β | t-value | p-value | F-value | df | p-value | R-square | Cohen's(f2) |
|---|---|---|---|---|---|---|---|---|---|
| Insomnia | None | – | – | – | – | – | – | – | – |
| Stress-related | Age, | −0.431 | −6.084 | 0.000 | 18.268 | 4,132 | 0.000 | 0.356 | 0.552 |
| anxiety | Education | 0.358 | 4.384 | 0.000 | |||||
| Gender | 0.202 | 2.7 | 0.008 | ||||||
| Habitat | −0.201 | −2.574 | 0.011 | ||||||
| Stress-related | Age | 0.48 | 6.316 | 0.000 | 22.257 | 2,134 | 0.000 | 0.249 | 0.331 |
| irritability | Marital-status | 0.247 | 3.241 | 0.002 | |||||
| Stress-related | Gender | 0.412 | 5.177 | 0.000 | 11.428 | 3,133 | 0.000 | 0.205 | 0.257 |
| hopelessness | Marital-status | −0.203 | −2.55 | 0.012 | |||||
| Disease | 0.175 | 2.262 | 0.025 |