Table 5.
Crude and adjusted associations between SES markers (educational level, cohabiting status, and family wealth) and Harris Hip Score change in patients undergoing primary total hip replacement
| Crude coefficient (95% CI) | Adjusted a coefficient (95% CI) | |
|---|---|---|
| Educational level | ||
| Low | Reference | Reference |
| Medium | -1.2 (-1.7 to -0.6) | 0.5 (0.1-0.8) |
| High | -1.8 (-2.6 to -1.0) | 0.9 (0.4-1.5) |
| Cohabiting status | ||
| Alone | Reference | Reference |
| Cohabiting | -0.4 (-0.9 to 0.1) | 0.4 (0.0-0.8) |
| Other | -0.2 (-1.2 to 0.8) | 0.1 (-0.7-0.8) |
| Family wealth | ||
| Low | Reference | Reference |
| Medium | -0.5 (-1.1 to 0.1) | 1.3 (0.9-1.7) |
| High | -1.1 (-1.7 to -0.5) | 2.6 (2.1-3.0) |
a
Adjusted for sex, age, comorbidities, and baseline HHS. Coefficient refers to the β-coefficient from the multiple linear regression, which is interpreted as the degree of change in the HHS for every change in SES subgroup in the predictor variable, e.g., educational level.