≥ 2 Impacts | < 2 Impacts | Univariable Analysis | Multivariable Analysis | ||
---|---|---|---|---|---|
Mean (± SD) or n (%) | P | P | OR (95% CI) | ||
Age, yrs | 41.5 (± 10.9) | 42.2 (± 12.9) | 0.62 | NA | NA |
Female gender | 461 (80.2) | 36 (57.1) | < 0.001 | 0.002 | 2.6 (1.4–4.8) |
Educational level (high school or less) | 295 (51.3) | 19 (30.2) | 0.002 | 0.029 | 2.0 (1.1–3.3) |
Married/cohabiting | 370 (64.3) | 42 (66.7) | 0.72 | NA | NA |
Unemployment | 268 (48.7) | 13 (21.0) | < 0.001 | 0.001 | 3.3 (1.7–10.0) |
Smoking | 188 (32.7) | 19 (30.2) | 0.68 | NA | NA |
Symptom duration, yrs | 14.3 (± 10.5) | 13.5 (± 9.3) | 0.57 | NA | NA |
bDMARD therapy | 366 (64.6) | 22 (36.7) | < 0.001 | < 0.001 | 3.0 (1.6–5.3) |
Comorbidities (0–4)a | 1.4 (± 1.2) | 0.7 (± 1.1) | < 0.001 | 0.001 | 1.6 (1.2–2.2)b |