Table 8 Summary of statistical tests evaluating the relationship between the low frequency/high frequency ratio and various demographic, lifestyle, and psychological variables.
Variable | Test type | Statistic U/Z or rho | p | Significant |
|---|---|---|---|---|
Autolytic risk | Mann-Whitney U | Z = −0.807 | 0.419 | No |
Leaving studies | Mann-Whitney U | Z = − 0.567 | 0.571 | No |
Family responsibilities | Mann-Whitney U | Z = − 0.684 | 0.494 | No |
Working and studying | Mann-Whitney U | Z = − 0.198 | 0.843 | No |
Antidepressant use | Mann-Whitney U | Z = − 0.714 | 0.475 | No |
Use of anxiolytics | Mann-Whitney U | Z = − 1.738 | 0.082 | No (trend) |
Family income | Spearman (ρ) | ρ = − 0.214 | 0.020 | Yes |
Study hours | Spearman (ρ) | ρ = − 0.030 | 0.744 | No |
Wellbeing level | Spearman (ρ) | ρ = − 0.059 | 0.521 | No |
