Table 3.
Multiple Linear Regression Model for Predicting Montreal Cognitive Assessment (MoCA) Score at the 2-Year Evaluation (n = 352).
| Potential Predictors at Baseline | Parameter Estimate | 95% Confidence Interval | t Value | P Value | Variance Explained (%) | |
|---|---|---|---|---|---|---|
| Lower Limit | Upper Limit | |||||
| Overall MoCA score | 0.52 | 0.44 | 0.61 | 12.26 | <0.0001 | 34.96 |
| Age | 0.02 | –0.07 | 0.10 | 0.39 | 0.6988 | 0.00 |
| Sex | ||||||
| Female (reference) | ||||||
| Male | –0.44 | –1.02 | 0.14 | –1.49 | 0.1374 | 0.02 |
| Marital status | ||||||
| Married/in a stable union | –0.34 | –0.56 | –0.12 | –3.02 | 0.0027 | 2.16 |
| All others (reference) | ||||||
| Education level | ||||||
| Elementary school (reference) | ||||||
| High school | 0.75 | –0.27 | 1.78 | 1.44 | 0.1497 | 0.05 |
| College/university | 0.96 | 0.17 | 1.75 | 2.39 | 0.0174 | 2.13 |
| Spoken language | ||||||
| French (reference) | ||||||
| Others | –0.80 | –1.35 | –0.24 | –2.81 | 0.0052 | 0.85 |
| Employed in the past 12 months | 0.25 | –0.31 | 0.82 | 0.89 | 0.3756 | 0.55 |
| Social support total score | 0.00 | –0.03 | 0.03 | 0.03 | 0.9739 | 0.43 |
| Neighborhood insecurity score | –0.33 | –0.54 | –0.13 | –3.14 | 0.0018 | 2.03 |
| Ability to cope with unexpected and difficult problems: good vs. poor | 1.03 | 0.03 | 2.03 | 2.02 | 0.0440 | 1.03 |
| Major depression episode in the past 12 months | 0.21 | –0.89 | 1.31 | 0.37 | 0.7130 | 0.02 |
| Psychological distress score | –0.03 | –0.07 | 0.02 | –1.02 | 0.3067 | 0.15 |
Note: In total, the model explains 44.38% of variance in the overall MoCA score at 2 years.