| n | % | SE | n | % | SE | OR† | SE | P values | 95% CI | |
| Needs care much of the time | 237 | 57.7 | 4.40 | 92 | 42.3 | 4.40 | 10.1 | 0.43 | <0.001 | 4.35 to 23.31 |
| Needs care occasionally | 320 | 84.3 | 3.11 | 43 | 15.7 | 3.11 | 4.09 | 0.40 | <0.001 | 1.86 to 9.01 |
| Does not need care | 1670 | 96.5 | 0.61 | 57 | 3.50 | 0.61 | Reference |
*B coefficient derived from multiple linear regression analysis after adjusting for sociodemographic and health covariates.
†OR derived from multinomial logistic regression analyses after adjusting for sociodemographic and health covariates.
WHO-DAS, WHO-Disability Assessment Schedule.