Table 3.
Rasch | ||||||||
---|---|---|---|---|---|---|---|---|
Scales | No of Items* | Sample within scale range (n/3497) | Item Threshold Location Logits (min/max) | Disordered Thresholds | Fit Residuals Outside −2.5/+2.5 | Items with Chi-Square Probability Significance | PSI with extm | PSI without extrm |
Satisfaction with breasts | 11 | 2988 | −2.48/3.35 | 0 | 10 | 3 | 0.90 | 0.90 |
Adverse effects of radiation | 6 | 1300 | −2.93/2.43 | 0 | 0 | 0 | 0.02 | −0.50 |
Psychosocial well-being | 10 | 2243 | −2.76/4.86 | 0 | 9 | 0 | 0.84 | 0.89 |
Sexual well-being | 6 | 2905 | −2.95/3.28 | 0 | 5 | 0 | 0.86 | 0.83 |
Physical well-being | 7 | 2607 | −3.62/3.58 | 0 | 4 | 1 | 0.62 | 0.62 |
Satisfaction with information - breast surgeon | 12 | 2675 | −1.12/2.51 | 0 | 6 | 0 | 0.82 | 0.83 |
Satisfaction with information - radiation oncologist | 11 | 2701 | −2.22/3.55 | 0 | 6 | 0 | 0.81 | 0.81 |
Satisfaction with surgeon | 12 | 1318 | −3.70/3.15 | 0 | 7 | 1 | 0.71 | 0.89 |
Satisfaction with medical team | 7 | 758 | −3.46/4.07 | 0 | 3 | 0 | 0.46 | 0.84 |
Satisfaction with office staff | 7 | 976 | −3.65/4.50 | 0 | 6 | 1 | 0.64 | 0.85 |
Following item reduction