Table 3.
Correlations Between Latent Variables of Depressive Symptoms and Cognitive Function and a Manifest Variable of Sleep Quality
| Variables | 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1. Cognitive function 2008 | 1 | |||||||||||
| 2. Cognitive function 2011 | 1 | |||||||||||
| 3. Cognitive function 2014 | 0.379*** | 1 | 1 | |||||||||
| 4. Cognitive function 2018 | 0.331*** | 0.507*** | 0.484*** | 1 | ||||||||
| 5. Depressive symptoms 2008 | 0.288*** | 0.395*** | −0.117*** | −0.098*** | 1 | |||||||
| 6. Depressive symptoms 2011 | −0.189*** | −0.123*** | −0.133*** | −0.119*** | 0.172*** | 1 | ||||||
| 7. Depressive symptoms 2014 | −0.108*** | −0.212** | −0.179*** | −0.085*** | 0.160*** | 0.326*** | 1 | |||||
| 8. Depressive symptoms 2018 | −0.072*** | −0.121*** | −0.062* | −0.087*** | 0.101*** | 0.129*** | 0.215*** | 1 | ||||
| 9. Sleep quality 2008 | −0.071*** | −0.038 | −0.016 | −0.032 | 0.184*** | 0.119*** | 0.123*** | 0.079** | 1 | |||
| 10. Sleep quality 2011 | −0.073*** | −0.023 | −0.035* | −0.051* | 0.095*** | 0.281*** | 0.157*** | 0.116*** | 0.234*** | 1 | ||
| 11. Sleep quality 2014 | −0.003 | −0.073*** | −0.041** | −0.024 | 0.087*** | 0.149*** | 0.277*** | 0.128*** | 0.207*** | 0.337*** | 1 | |
| 12. Sleep quality 2018 | 0.005 | −0.040** | −0.044 | −0.072** | 0.062** | 0.166*** | 0.156*** | 0.209*** | 0.258*** | 0.298*** | 0.343** | 1 |
Notes: *p < 0.05, **p < 0.01, ***p < 0.001.