Table 3.
Logistic regression models for high stress (PSS > 6) at Baseline (wave 5).
| Baseline model (n = 724) | ||||
|---|---|---|---|---|
| Variable | OR | 95% CI | P -value | |
| Step 1 | Age | 1.00 | (0.99, 1.01) | 0.73 |
| Married | 1.63 | (1.13, 2.36) | 0.0095 | |
| Income | 0.75 | (0.67, 0.83) | <0.0001 | |
| Step 2 | Age | 0.99 | (0.97, 1.00) | 0.10 |
| Married | 1.89 | (1.27, 2.82) | 0.0017 | |
| Income | 0.80 | (0.71, 0.89) | 0.0001 | |
| SLE activity | 1.19 | (1.09, 1.30) | 0.0002 | |
| Flare severity | 1.19 | (0.96, 1.47) | 0.12 | |
| Damage score | 1.08 | (0.99, 1.18) | 0.09 | |
| Immunosuppressive use | 1.10 | (0.77, 1.58) | 0.59 | |
| Step 3 | Age | 0.98 | (0.96, 1.00) | 0.051 |
| Married | 1.77 | (1.06, 2.95) | 0.03 | |
| Income | 0.89 | (0.76, 1.03) | 0.12 | |
| SLE activity | 0.87 | (0.76, 1.00) | 0.045 | |
| Flare severity | 1.20 | (0.91, 1.60) | 0.20 | |
| Damage score | 0.99 | (0.88 1.12) | 0.87 | |
| Immunosuppressive use | 1.58 | (1.00, 2.50) | 0.053 | |
| Physical component score | 0.96 | (0.93, 0.98) | 0.0007 | |
| Mental component score | 0.86 | (0.84, 0.89) | <0.000 | |
| Cognitive functioning scale | 0.99 | (0.97, 1.00) | 0.025 | |
| Step 4 | Age | 098 | (0.96, 1.00) | 0.054 |
| Married | 1.91 | (1.12, 3.27) | 0.018 | |
| Income | 0.89 | (0.70, 1.04) | 0.13 | |
| SLE activity | 0.85 | (0.73, 0.98) | 0.28 | |
| Flare severity | 1.28 | (0.96, 1.73) | 0.10 | |
| Damage score | 1.00 | (0.88, 1.13) | 0.96 | |
| Immunosuppressive use | 1.47 | (0.87, 2.29) | 0.16 | |
| Physical component score | 0.96 | (0.93, 0.99) | 0.003 | |
| Mental component score | 0.86 | (0.84, 0.89) | <0.0001 | |
| Cognitive functioning scale | 0.98 | (0.97, 1.00) | 0.009 | |
| Rheumatologist | 1.69 | (0.84, 3.23) | 0.14 | |
| Emergency room or hospitalization | 1.11 | (0.65, 1.88) | 0.70 | |
| Quality of care | 0.99 | (0.88, 1.12) | 0.88 | |
| Step 5 | Age | 0.98 | (0.96, 1.00) | 0.048 |
| Married | 1.94 | (1.10, 3.42) | 0.022 | |
| Income | 0.86 | (0.73, 1.01) | 0.07 | |
| SLE activity | 0.84 | (0.73, 0.98) | 0.03 | |
| Flare severity | 1.29 | (0.94, 1.77) | 0.11 | |
| Damage score | 0.94 | (0.81, 1.09) | 0.39 | |
| Immunosuppressive use | 1.60 | (0.96, 2.66) | 0.07 | |
| Physical component score | 0.97 | (0.94, 1.00) | 0.03 | |
| Mental component score | 0.86 | (0.84, 0.89) | <0.0001 | |
| Cognitive functioning scale | 0.98 | (0.97, 1.00) | 0.015 | |
| Rheumatologist | 1.50 | (0.75, 2.99) | 0.25 | |
| Emergency room or hospitalization | 1.10 | (0.63, 1.92) | 0.74 | |
| Quality of care | 1.01 | (0.89, 1.15) | 0.88 | |
| Variable | OR | 95% CI | P -value | |
| Fibromyalgia | 1.45 | (0.83, 2.51) | 0.19 | |
| Heart disease | 1.45 | (0.65, 3.21) | 0.37 | |
| Diabetes | 2.58 | (1.11, 6.02) | 0.03 | |
| Hypertension | 0.77 | (0.46, 1.29) | 0.32 | |
| Cardiovascular disease | 2.25 | (0.57, 8.83) | 0.24 | |
| Anxiety | 1.13 | (0.60, 2.12) | 0.70 | |
| Depression | 1.22 | (0.70, 2.11) | 0.48 | |