Table 1.
Factor Loadings (CFA), Test-Retest Reliability, and Discrimination Level from the IRT Model for the MisoQuest are shown. The Items on the Final Version of MisoQuest have been shaded gray.
| Phase 1 | Phase 2 | |||||
|---|---|---|---|---|---|---|
| Domain of the Diagnostic Criteria | MisoQuest items (numbers of items from the I version_II version) | Factor loadings | Factor loadings | Item-scale correlations | Test-retest reliability (ICC) | IRT unconstrained model Discrimination |
| Reaction to Specific Sound | Q4_16 “I find some sounds made by the human body unbearable.” | 0.698 | 0.718 | 0.69 | 0.77 | 1.685 |
| Q12_1 “I find some quiet sounds unbearable.” | 0.703 | 0.701 | 0.67 | 0.57 | 1.592 | |
| Q13_6 “I find sounds made by things/items unbearable.” | 0.355 | 0.652 | 0.62 | 0.54 | 1.343 | |
| Occurrence of Reaction | Q15_2 “When I hear some sounds, I am immediately overcome by unpleasant emotions.” | 0.827 | 0.725 | 0.69 | 0.57 | 2.010 |
| Q18_19 “Some unpleasant sounds make me instantly angry.” | 0.834 | 0.805 | 0.78 | 0.67 | 2.763 | |
| Emotional Reactions | Q23_12 “I start feeling anger the moment I see a thing/animal/person that might make an unpleasant sound at any time.” | 0.825 | 0.778 | 0.75 | 0.70 | 2.202 |
| Q25_3 “When I hear an unpleasant sound, my heart starts beating faster.” | 0.757 | 0.646 | 0.61 | 0.69 | 1.397 | |
| Q26_9 “When I hear unpleasant sounds, I start sensing emotions in my body (e.g., I sweat, feel pain, feel pressure, my muscles tense).” | 0.646 | 0.769 | 0.74 | 0.73 | 2.165 | |
| Q29_5 “Unpleasant sounds make me feel overwhelmed.” | 0.818 | 0.841 | 0.82 | 0.68 | 2.794 | |
| Q31_7 “I become anxious at the mere thought of an unpleasant sound.” | 0.862 | 0.773 | 0.74 | 0.67 | 2.201 | |
| Control of Emotional Reactions | Q32_8 “Some sounds bother me so much that I have difficulty controlling my emotions.” | 0.857 | 0.818 | 0.79 | 0.59 | 2.806 |
| Q33_14 “I put a lot of effort into controlling emotions when I hear an unpleasant sound.” | 0.834 | 0.856 | 0.83 | 0.66 | 2.943 | |
| Q35_10 “When I hear unpleasant sounds, my eyes start filling with tears.” | 0.832 | 0.664 | 0.64 | 0.71 | 1.764 | |
| Q38_11 “As a child I would hit people who made unpleasant sounds.” | 0.851 | 0.402 | 0.37 | 0.62 | 0.779 | |
| Attitude to Own Reactions | Q40_13 “I think that something is wrong with me because I react too strongly to certain sounds.” | 0.844 | 0.797 | 0.77 | 0.71 | 2.435 |
| Q42_4 “I believe that my reactions to sounds are exaggerated but I can’t get rid of them.” | 0.828 | 0.807 | 0.79 | 0.77 | 2.450 | |
| Avoidance | Q47_15 “If I can, I avoid meeting with certain people because of the sounds they make.” | 0.812 | 0.760 | 0.73 | 0.69 | 2.041 |
| Q48_17 “I feel that my mental state worsens if I cannot leave a place where there’s an unpleasant sound.” | 0.786 | 0.789 | 0.76 | 0.71 | 2.460 | |
| Q49_18 “I often think about how to drown out unpleasant sounds.” | 0.736 | 0.781 | 0.76 | 0.72 | 2.344 | |
| Daily Functioning | Q55_20 “I am scared that unpleasant sounds may impact my future.” | 0.846 | 0.739 | 0.71 | 0.78 | 2.210 |
| Q56_21 “When meeting with other people, I am sometimes irritated because of unpleasant sounds that are present.” | 0.804 | 0.805 | 0.78 | 0.69 | 2.699 | |