Table 4.
Association between factors and EQ-5D-5L score using multiple linear regression analysis
| Variables | Standardized coefficients (beta) | p value |
|---|---|---|
| Age | ||
| Continuous (1-year units) | − 0.082 | 0.124 |
| Gender | ||
| Male | 0.083 | 0.174 |
| Female | Ref | |
| Body mass index | ||
| Normal | − 0.053 | 0.309 |
| Overweight or obese | Ref | |
| Residency | ||
| City | 0.084 | 0.076 |
| Others | Ref | |
| Work status | ||
| Unemployed | − 0.135 | 0.036 |
| Employed | Ref | |
| Income | ||
| Moderate and High | 0.148 | 0.004 |
| Low | Ref | |
| Education | ||
| University | 0.034 | 0.586 |
| No formal, primary, secondary | Ref | |
| Diagnosis delay | ||
| No | 0.072 | 0.132 |
| Yes | Ref | |
| Morning stiffness | ||
| No | 0.076 | 0.185 |
| Yes | Ref | |
| Night pain | ||
| No | 0.276 | < 0.001 |
| Yes | Ref | |
| Comorbid diseases | ||
| No | 0.211 | < 0.001 |
| Yes | Ref | |
| Conventional DMARDs | ||
| No | − 0.033 | 0.603 |
| Yes | Ref | |
| Etanercept use | ||
| No | − 0.153 | 0.017 |
| Yes | Ref |
DMARDs disease-modifying antirheumatic drugs, EQ-5D European Quality of life scale, SE standard error