Table 4.
Multivariate regression model (backward elimination) using adjusted follow-up activity count as dependent variable
| Variables | Unstandardized Coefficient | t | P value | |
|---|---|---|---|---|
| B | Std Error | |||
| Age at baseline (per year) | −1543 | 326 | −4.74 | <0.001 |
| Diabetes mellitus | −22,919 | 8606 | −2.66 | 0.008 |
| Satisfactory friend network (yes vs no) | 9040 | 4578 | 1.98 | 0.049 |
| Physical functioning SF-36 subscore (per point) | 671 | 120 | 5.60 | <0.001 |
Variables entered into final model: Age, Sex, deprivation score, depression, osteoarthritis, hypertension, diabetes mellitus, heart disease, active cancer, fall in last year, chronic pain, physical functioning SF-36 subscore, satisfactory friend network, normative beliefs, action planning