Table 2.
Bivariate associations between the main variables in the study
| Variable | 1. | 2. | 3. | 4. | 5. |
|---|---|---|---|---|---|
| 1. Depression (PHQ-9) | 1.00 | 0.69* | 0.03 | 0.13* | 0.16* |
| 2. Anxiety (GAD-7) | 1.00 | 0.03 | 0.14* | 0.17* | |
| 3. LAeq | 1.00 | 0.16* | -0.05 | ||
| 4. Noise annoyance | 1.00 | 0.21* | |||
| 5. Noise sensitivity | 1.00 |
Note. Abbreviations: GAD-7–Generalized Anxiety Disorder 7-item, LAeq − equivalent daytime road traffic noise level, PHQ-9–Patient Health Questionnaire 9-item.Coefficients are Pearson, point-biserial, and phi-correlation coefficients. All variables are measured on a continuous scale. *Correlation is significant at the P < 0.05 level.