Table 2 Factors associated with the prevalence of mild to severe depression at baseline (N = 397)
From: Depression in patients with knee osteoarthritis: risk factors and associations with joint symptoms
| Â | Univariable | Multivariablea |
|---|---|---|
PR (95% CI) | PR (95% CI) | |
Age (years) | 0.96 (0.94, 0.99) | 0.96 (0.94, 0.99) |
Female sex (n, %) | 1.55 (1.10, 2.18) | 1.38 (0.98, 1.96) |
BMI (kg/m2) | 1.05 (1.02, 1.09) | 1.05 (1.02, 1.08) |
Education | ||
 School only (n, %) | Reference | Reference |
 High school (n, %) | 0.63 (0.40, 1.00) | 0.61 (0.39, 0.95) |
 University or higher (n, %) | 0.49 (0.33, 0.73) | 0.50 (0.34, 0.74) |
Work status | ||
 Full-time employed (n, %) | Reference | Reference |
 Part-time/causal employment (n, %) | 0.80 (0.49, 1.29) | 0.78 (0.49, 1.25) |
 Unemployed/home duties/retired (n, %) | 0.84 (0.57, 1.22) | 1.10 (0.71, 1.70) |
Work type | ||
 Manual (n, %) | Reference | Reference |
 Office/professional (n, %) | 0.88 (0.62, 1.25) | 0.85 (0.60, 1.22) |
WOMAC score/ 10 unit | ||
 Pain (0–50) | 1.05 (1.03, 1.07) | 1.05 (1.03, 1.07) |
 Function (0–170) | 1.02 (1.01, 1.02) | 1.02 (1.01, 1.02) |
 Stiffness (0–20) | 1.08 (1.04, 1.12) | 1.05 (1.02, 1.09) |
Multi-site joint pain, (n, %) | ||
 No pain | Reference | Reference |
 One site | 1.21 (0.85, 1.74) | 1.06 (0.75, 1.51) |
 More than one site | 1.64 (0.93, 2.88) | 1.73 (1.00, 2.98) |
Comorbidity, (n, %) | ||
 No comorbidity | Reference | Reference |
 One comorbidity | 1.08 (0.75, 1.55) | 1.14 (0.80, 1.65) |
 More than one comorbidity | 2.13 (1.18, 3.86) | 1.98 (1.03, 3.80) |