Background
Methods
Participants
Assessments
Subjective cognitive function
Presenteeism
Depressive symptoms
Statistical analyses
Results
Participant characteristics | Mean (SD) n (%) |
---|---|
Age, years, mean (SD) (n = 477) | 41.11 (11.99) |
Male sex, n (%) (n = 476) | 211 (44.3) |
Married, n (%) (n = 473) | 303 (64.1) |
Years of education, mean (SD) (n = 477) | 14.72 (1.80) |
Psychiatric history, n (%) (n = 477) | 53 (11.1) |
Current psychiatric treatment, n (%) (n = 472) | 19 (4.0) |
Family history of psychiatric treatment, n (%) (n = 434) | 50 (11.5) |
Drinking, n (%) (n = 477) | 314 (65.8) |
Smoking, n (%) (n = 477) | 96 (20.1) |
PHQ-9, mean (SD) (n = 477) | 4.23 (4.30) |
WLQ-8 Time management, mean (SD) (n = 477) | 16.06 (20.52) |
WLQ-8 Physical activities, mean (SD) (n = 477) | 15.64 (25.44) |
WLQ-8 Mental-interpersonal activities, mean (SD) (n = 477) | 15.02 (17.87) |
WLQ-8 Output activities, mean (SD) (n = 477) | 14.81 (18.88) |
WLQ-8 Index, mean (SD) (n = 477) | 0.044 (0.045) |
WLQ-8 Productivity loss, mean (SD) (n = 477) | 0.042 (0.042) |
COBRA total score, mean (SD) (n = 476) | 8.45 (6.53) |
COBRA total score > 14, n (%) (n = 476) | 87 (18.3) |
COBRA | PHQ-9 | |
---|---|---|
PHQ-9 | .407** | – |
WLQ-8 Time management | .399** | .358** |
WLQ-8 Physical activities | .222** | .174** |
WLQ-8 Mental-interpersonal activities | .431** | .382** |
WLQ-8 Output activities | .409** | .307** |
WLQ-8 Index | .470** | .399** |
WLQ-8 Productivity loss | .470** | .399** |
Subjective cognitive function and work limitations
Subjective cognitive function, depressive symptoms, and work limitations
Multiple regression analysis of WLQ-8 productivity loss
Step 1 | (F = 74.87, p = 0.000) | Step 2 | (F = 49.86, p = 0.000) | |||||||
---|---|---|---|---|---|---|---|---|---|---|
Variable | B (95%CI) | b SE | t | β | p | VIF | t | β | p | VIF |
Step 1 | ||||||||||
PHQ-9 | 0.002 (0.001–0.003) | 0.000 | 4.90 | 0.22 | < 0.001** | 1.20 | ||||
COBRA | 0.002 (0.002–0.003) | 0.000 | 8.22 | 0.36 | < 0.001** | 1.20 | ||||
Step 2 | ||||||||||
PHQ-9 × COBRA | −0.33 | −0.015 | 0.74 | 1.26 | ||||||
⊿R2 | 0.24** | 0.000 | ||||||||
Adjusted R2 | 0.24 | 0.24 |