Predictors of impairment: results of multilevel Poisson regression models: incidence rate ratios and significance level (n=4864)
| Model | ||||||
|---|---|---|---|---|---|---|
| 1 | 2 | 3 | ||||
| Variables | IRR | CI (95%) | IRR | CI (95%) | IRR | CI (95%) |
| Sex | ||||||
| Male | ||||||
| Female | 1.06* | 1.01 to 1.11 | 1.06* | 1.01 to 1.10 | 1.06† | 1.01 to 1.11 |
| Age group | ||||||
| <55 years | ||||||
| 55–59 years | 1.07† | 1.02 to 1.12 | 1.07* | 1.01 to 1.12 | 1.07† | 1.02 to 1.12 |
| 60–65 years | 1.11‡ | 1.05 to 1.18 | 1.13‡ | 1.06 to 1.20 | 1.12‡ | 1.05 to 1.19 |
| Education | ||||||
| High | ||||||
| Medium | 1.08† | 1.02 to 1.15 | 1.07* | 1.01 to 1.13 | ||
| Low | 1.19‡ | 1.12 to 1.27 | 1.16‡ | 1.09 to 1.24 | ||
| Income | ||||||
| High | ||||||
| Medium | 1.07† | 1.02 to 1.12 | 1.06* | 1.01 to 1.12 | ||
| Low | 1.11‡ | 1.05 to 1.18 | 1.10† | 1.03 to 1.17 | ||
| Low control | ||||||
| No | ||||||
| Yes | 1.10‡ | 1.04 to 1.15 | 1.07† | 1.02 to 1.13 | ||
| Effort reward imbalance | ||||||
| No | ||||||
| Yes | 1.12‡ | 1.07 to 1.17 | 1.10‡ | 1.05 to 1.15 | ||
| Prior impairment state | 1.24‡ | 1.22 to 1.25 | 1.25‡ | 1.23 to 1.26 | 1.23‡ | 1.22 to 1.25 |
Source: Survey on Health, Ageing and Retirement in Europe (release 2.5.0).
*p<0.05.
†p<0.01.
‡p<0.001.