Table 4.
Health‐related quality of life in RA, Medical Expenditure Panel Survey, 2018 to 2020*
| Type of health‐related quality of life | RA group | Non‐RA group | ||
|---|---|---|---|---|
| Mean | 95% CI | Mean | 95% CI | |
| SF‐12 PCS | 31.31 | 30.00–32.62 | 39.05 | 38.63–39.46 |
| SF‐12 MCS | 40.87 | 39.54–42.21 | 40.62 | 40.18–41.06 |
| ADL, % | ||||
| Seeking help for ADL a | ||||
| Yes | 9.60 | 7.57–11.63 | 1.75 | 1.60–1.91 |
| No | 90.40 | 88.37–92.43 | 98.25 | 98.09–98.40 |
| Seeking help for IADL b | ||||
| Yes | 14.92 | 12.33–17.52 | 3.06 | 2.87–3.25 |
| No | 85.08 | 82.48–87.67 | 96.94 | 96.75–97.13 |
*
ADL, activities of daily living; CI, confidence interval; IADL, instrumental activities of daily living; MCS, mental component summary; PCS, physical component summary; RA, rheumatoid arthritis; SF‐12, Short Form 12.
a
ADL includes activities for independent self‐care (such as walking, dressing, eating, and bathing).
b
IADL includes mental skills required to live within the community, such as shopping and medication management, using the phone, paying bills, and doing housework.