Table 2.
Bivariate correlations among main study variables
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1. Lifetime suicide ideation | — | |||||||||||
| 2. Suicide ideation, 3 months | .48*** | — | ||||||||||
| 3. Suicide ideation, 6 months | .48*** | .51*** | — | |||||||||
| 4. Suicide ideation, 9 months | .37*** | .47*** | .52*** | — | ||||||||
| 5. Age | .16† | .30** | .19* | .15† | — | |||||||
| 6. Depressive symptoms | .42*** | .38*** | .33*** | .40*** | .22* | — | ||||||
| 7. Friendship support | −.03 | −.07 | −.10 | −.26** | −.12 | .08 | — | |||||
| 8. Prespeech sitting RSA | −.07 | −.11 | .003 | .07 | .05 | −.01 | −.01 | — | ||||
| 9. Prespeech standing RSA | −.12 | −.14 | −.15 | −.05 | −.05 | −.13 | −.09 | .69*** | — | |||
| 10. Speech RSA | −.21* | −.35*** | −.27** | −.14 | −.14 | −.21* | −.09 | .38*** | .45*** | — | ||
| 11. Sitting-speech ΔRSA | −.19* | −.34*** | −.29** | −.24** | −.18* | −.24** | −.12 | .04 | .28** | .91*** | — | |
| 12. Standing-speech ΔRSA | −.16† | −.33*** | −.24** | −.19* | −.13 | −.18* | −.08 | .13 | .05 | .88*** | .91*** | — |
Note: RSA, Respiratory sinus arrhythmia; ΔRSA, RSA standardized residual scores.
†
p < .10.
*
p < .05.
**
p < .01.
***
p < .001.