Lee YC, Katz P, Quebe A, et al. - Investigators explored the distribution of non-interfering pain (defined as the pain intensity level at which individuals can function without interference) across different aspects of life among RA individuals, and to distinguish clinical characteristics correlated with differing levels of non-interfering pain. A total of 3,949 RA individuals have included for the questionnaires. Multiple linear regression analyses was performed to investigate the relationships between clinical characteristics and non-interfering pain. It was found that pain interference was most common for daily activities and the least common for the ability to concentrate. The mean pain level was 3, that did not interfere with activities. A relationship was found between high pain intensity and high self-reported non-interfering pain.