Table 9 Results of the item analysis using item response theory for the shortened version of the Fear of Pain Questionnaire
items | beta.1 | beta.2 | beta.3 | beta.4 | beta | Mean |
|---|---|---|---|---|---|---|
I. Fear of Severe Pain | Â | Â | Â | Â | Â | |
3 | -6.08 | -3.41 | -0.81 | 1.11 | 2.10 | 3.83 |
9 | -7.03 | -4.15 | -1.27 | 1.15 | 2.87 | 3.89 |
10 | -9.65 | -5.45 | -2.05 | 0.78 | 3.67 | 4.01 |
II. Fear of Minor Pain | Â | Â | Â | Â | Â | |
19 | -3.56 | -0.15 | 2.11 | 3.66 | 2.30 | 2.70 |
23 | -3.11 | 0.21 | 2.39 | 4.22 | 2.59 | 3.26 |
24 | -2.54 | 0.51 | 3.04 | 4.34 | 2.52 | 2.62 |
III. Fear of Medical Pain | Â | Â | Â | Â | ||
14 | -2.54 | -0.08 | 1.71 | 3.44 | 2.53 | 3.09 |
17 | -4.36 | -1.90 | 0.62 | 2.62 | 2.86 | 2.85 |
21 | -4.35 | -1.22 | 1.15 | 2.91 | 2.47 | 2.46 |