From: Consequences of screening in cervical cancer: development and dimensionality of a questionnaire
The items of part I of the COS-CC in order of appearance in the questionnaire | Subscales and misfit | Observed | Expected | Gamma sd | Probability of fit to the Rasch model | Item difficulty | Single or ‘poor’ item |
---|---|---|---|---|---|---|---|
1. worried | Dejection | 0.654 | 0.723 | 0.036 | 0.05612 | −1.12 | |
2. worried about my future | Anxiety | 0.678 | 0.691 | 0.038 | 0.74067 | −0.65 | |
3. scared | Anxiety | 0.751 | 0.685 | 0.043 | 0.12738 | 0.05 | |
4. irritable | Behavioural | 0.616 | 0.761 | 0.035 | 0.00004b | − 0.39 | |
5. quieter than normal | Behavioural | 0.783 | 0.742 | 0.040 | 0.30285 | 0.32 | |
6. slept badly | Sleep | 0.823 | 0.800 | 0.035 | 0.51521 | −0.29 | |
7. busy to take mind off things | Single item | NA | NA | NA | NA | NA | single item |
8. hard to concentrate | Behavioural | 0.793 | 0.748 | 0.038 | 0.23658 | 0.08 | |
9. time passed slowly | Dejection | 0.690 | 0.730 | 0.047 | 0.40140 | 0.06 | |
10. change in appetite | Behavioural | 0.750 | 0.738 | 0.045 | 0.78002 | 0.07 | |
11. sad | Dejection | 0.771 | 0.708 | 0.038 | 0.10405 | −0.50 | |
12. restless | Anxiety | 0.597 | 0.690 | 0.041 | 0.02456a | − 0.23 | |
13. nervous | Anxiety | 0.572 | 0.678 | 0.048 | 0.02701a | 0.50 | |
14. upset | Anxiety | 0.758 | 0.686 | 0.040 | 0.06831 | −0.29 | |
15. uneasy | Dejection | 0.734 | 0.701 | 0.041 | 0.41964 | 0.12 | |
16. taken long time to fall asleep | Sleep | 0.766 | 0.785 | 0.037 | 0.60991 | 0.09 | |
17. withdrawn into myself | Behavioural | 0.765 | 0.733 | 0.045 | 0.47122 | 0.15 | |
18. unable to cope | Dejection | 0.762 | 0.714 | 0.054 | 0.37715 | 0.73 | |
19. depressed | Dejection | 0.721 | 0.704 | 0.054 | 0.76003 | 0.95 | |
20. difficulty dealing work or other commitments | Behavioural | 0.780 | 0.731 | 0.046 | 0.29645 | 0.23 | |
21. woken up far too early in the morning | Sleep | 0.712 | 0.777 | 0.039 | 0.09015 | 0.02 | |
22. difficulty doing things around the house | Behavioural | 0.771 | 0.730 | 0.047 | 0.37679 | 0.26 | |
23. terrified | Anxiety | 0.874 | 0.691 | 0.072 | 0.01101a | 0.77 | |
24. awake most of the night | Sleep | 0.910 | 0.764 | 0.057 | 0.01040a | 1.37 | |
25. shocked | Anxiety | 0.702 | 0.687 | 0.050 | 0.76485 | 0.34 | |
26. felt unsafe | Single item | NA | NA | NA | NA | NA | ‘poor’ item |
27. felt sorry for myself | Single item | NA | NA | NA | NA | NA | ‘poor’ item |
28. have considered going to my doctor | Single item | NA | NA | NA | NA | NA | ‘poor’ item |
29. thought one’s situation hopeless | Single item | NA | NA | NA | NA | NA | ‘poor’ item |
30. experienced mood swings | Single item | NA | NA | NA | NA | NA | ‘poor’ item |
31. more tired than usual | Single item | NA | NA | NA | NA | NA | ‘poor’ item |
32. keeping things from those who are close to you | Single item | NA | NA | NA | NA | NA | ‘poor’ item |
33. Sick leave | Single item | NA | NA | NA | NA | NA | single item |
34. Self-rated health | Single item | NA | NA | NA | NA | NA | single item |
35. the screening result has made me uncertain | Uncertainty about the screening result | 0.714 | 0.657 | 0.045 | 0.20824 | ||
36. as if there is something wrong with my body | Change in body perception | 0.868 | 0.835 | 0.029 | 0.25147 | −0.36 | |
37. experienced that I lost control | Fear and powerlessness | 0.519 | 0.608 | 0.064 | 0.16434 | 1.07 | |
38. thought my body was vulnerable | Change in body perception | 0.780 | 0.835 | 0.029 | 0.05896 | −0.23 | |
39. my own fault | Guilt | 0.839 | 0.761 | 0.045 | 0.08363 | 0.28 | |
40. aware of feeling something different in my lower abdomen | Single item | NA | NA | NA | NA | NA | ‘poor’ item |
41. afraid that I cannot get pregnant | Uncertainty about future pregnancy | 0.873 | 0.844 | 0.026 | 0.25934 | −0.75 | |
42. thoughts about the ability to become a mother | Uncertainty about future pregnancy | 0.880 | 0.848 | 0.026 | 0.22174 | −0.37 | |
43. as if it sits in my body | Change in body perception | 0.819 | 0.832 | 0.031 | 0.67645 | 0.15 | |
44. felt older than my age | Misfit (Change in body perception) | 0.521 | 0.747 | 0.045 | < 0.000005b | ||
44. felt older than my age | Change in perception of own age | 0.791 | 0.790 | 0.054 | 0.98406 | −0.06 | |
45. unpleasant examination(s) | Negative experiences from the pelvic examination | 0.828 | 0.785 | 0.029 | 0.14511 | −0.60 | |
46. hard to trust that the screening result is true | Misfit (Uncertainty about the screening result) | 0.341 | 0.544 | 0.057 | 0.00037b | NA | ‘poor’ item |
47. felt ill | Single item | NA | NA | NA | NA | NA | ‘poor’ item |
48. experienced that my body was a machine that does not work | Change in body perception | 0.870 | 0.829 | 0.035 | 0.24821 | 0.56 | |
49. afraid that I would lose the baby if I got pregnant | Uncertainty about future pregnancy | 0.760 | 0.837 | 0.036 | 0.02991 | 1.57 | |
50. felt sour (attitude) | Emotional reactions | 0.906 | 0.906 | 0.029 | 0.99996 | ||
51. angry | Emotional reactions | 0.906 | 0.906 | 0.029 | 0.99996 | ||
52. wondered if I should have taken better care of myself | Guilt | 0.792 | 0.775 | 0.042 | 0.69616 | −0.49 | |
53. Confused about what the screening result means | Uncertainty about the screening result | 0.639 | 0.652 | 0.043 | 0.75952 | ||
54. felt an emptiness | Single item | NA | NA | NA | NA | NA | ‘poor’ item |
55. Felt that my body was not my own body | Change in body perception | 0.849 | 0.822 | 0.040 | 0.50265 | 0.93 | |
56. felt defenseless at the examination bed | Negative experiences from the pelvic examination | 0.829 | 0.772 | 0.035 | 0.10738 | 0.38 | |
57. felt older than my age | Misfit (Change in body perception) | 0.621 | 0.794 | 0.040 | 0.00002b | ||
57. felt older than my age | Change in perception of own age | 0.791 | 0.790 | 0.054 | 0.98406 | 0.21 | |
58. felt vulnerable at the examination bed | Negative experiences from the pelvic examination | 0.767 | 0.783 | 0.031 | 0.60707 | 0.00 | |
59. felt powerless | Fear and powerlessness | 0.702 | 0.598 | 0.052 | 0.04647 | 0.66 | |
60. The idea that may be I am unable to have children has made me unhappy | Single item | NA | NA | NA | NA | NA | ‘poor’ item |
61. surprised that something was wrong | Uncertainty about the screening result | 0.642 | 0.677 | 0.042 | 0.41331 | ||
62. frightened | Emotional reactions | 0.587 | 0.685 | 0.048 | 0.04082a | NA | ‘poor’ item |
63. cried more than usual | Emotional reactions | 0.783 | 0.717 | 0.054 | 0.03860a | NA | ‘poor’ item |
64. felt humiliated at the examination bed | Negative experiences from the pelvic examination | 0.772 | 0.768 | 0.038 | 0.92520 | 0.55 | |
65. felt that the examinations were painful | Negative experiences from the pelvic examination | 0.776 | 0.776 | 0.034 | 0.99270 | 0.14 | |
66. felt that I had to overstepped my bounds at the examination bed | Negative experiences from the pelvic examination | 0.779 | 0.778 | 0.033 | 0.97687 | 0.15 | |
67. felt I was unlucky | Fear and powerlessness | 0.595 | 0.617 | 0.045 | 0.62384 | −0.27 | |
68. fear of cervical cancer at the back of one’s mind | Fear and powerlessness | 0.661 | 0.629 | 0.044 | 0.46986 | −0.86 | |
69. been afraid to infect a partner | Guilt | 0.590 | 0.719 | 0.064 | 0.04317 | 0.36 | |
70. felt that the examinations has been a tough experience | Negative experiences from the pelvic examination | 0.658 | 0.770 | 0.042 | 0.00708a | 0.61 | |
71. less interest in sex | Sexuality | 0.764 | 0.768 | 0.045 | 0.92867 | −0.37 | |
72. The idea of being with a partner again has been unpleasant | Sexuality | 0.876 | 0.769 | 0.061 | 0.07887a | 0.43 | |
73. had painful intercourse | Sexuality | 0.716 | 0.774 | 0.048 | 0.22501 | −0.23 | |
74. felt sting during intercourse | Sexuality | 0.736 | 0.788 | 0.051 | 0.30588 | −0.25 | |
75. had vaginal dryness | Sexuality | 0.598 | 0.763 | 0.049 | 0.00075 | 0.06 | |
76. The idea of intercourse has been repulsive | Sexuality | 0.846 | 0.764 | 0.067 | 0.21977 | 0.73 | |
77. negative impact on my sex life | Sexuality | 0.925 | 0.780 | 0.049 | 0.00288a | − 0.13 |