Table 4: Item parameters for 9-item Rheumatoid arthritis self-efficacy scale (RASE) subset.

Itemab1b2b3b4

31.59−1.81−0.971.35
81.40−2.99−1.55−0.641.91
100.70−4.22−2.05−0.694.11
132.24−2.47−1.451.01
142.23−1.79−1.031.18
151.13−3.57−1.94−0.932.14
191.94−1.79−1.061.39
202.10−1.98−1.421.03
261.42−2.510.56