Table 4.
Coefficient estimates from linear mixed effects regressions for levels of the PCS and the MCS with 95% confidence intervals
| Covariate/dependent variable | PCS | MCS |
|---|---|---|
|
Risk group: RG 1: Participants free of clinically relevant mental disorders (Ref.) |
– | – |
| RG 2: Participants with depression | − 9.39** | − 6.22** |
| (− 15.07, − 3.70) | (− 9.99, − 2.53) | |
| RG 3: Participants with MCI | − 4.40 | − 0.48 |
| (− 8.90, 0.11) | (− 3.49, 2.53) | |
| RG 4: Participants with depression and MCI | − 9.83* | − 9.39** |
| (− 18.09, − 1.58) | (− 14.82, − 3.95) | |
| Age group: 65–74 (Ref.) | – | – |
| 75–85 | − 4.24* | − 1.31 |
| (− 8.21, − 0.26) | (− 3.94, 1.33) | |
| 86 + | − 9.35** | − 4.50* |
| (− 15.27, − 3.43) | (− 8.45, − 0.55) | |
| Sex: male (Ref.) | – | – |
| Female | 1.14 | − 2.45* |
| (− 2.50, 4.78) | (− 4.87, − 0.04) | |
| School education: Low (Ref.) | – | – |
| Medium | − 0.35 | 1.71 |
| (− 4.89, 4.19) | (− 1.29, 4.70) | |
| High | 1.02 | 0.54 |
| (− 2.66, 4.69) | (− 1.90, 2.98) | |
| Marital status: alone/widowed (Ref.) | – | – |
| Married/cohabiting | 2.56 | − 1.53 |
| (− 1.24, 6.36) | (− 4.06, 0.99) | |
| Time point: baseline—t0 (Ref.) | – | – |
| t1 | 1.29 | 2.03* |
| (− 0.26, 2.83) | (0.40, 3.65) | |
| t2 | 1.07 | 1.77* |
| (− 0.55, 2.68) | (0.08, 3.47) | |
| Constant | 45.09** | 58.15** |
| (39.21, 50.96) | (54.20, 62.11) | |
| Number of observations | 280 | 280 |
| Number of participants | 97 | 97 |
| SD of random intercept | 7.04 | 3.82 |
SD standard deviation
Significance levels: *p ≤ 0.05, **p ≤ 0.01