Consequences of screening in colorectal cancer (COS-CRC): development and dimensionality of a questionnaire

Malmqvist, Jessica; Siersma, Volkert; Bang, Christine Winther; Brodersen, John

doi:10.1186/s40359-020-00504-3

BMC Psychology

Table 6 Results from the psychometric analyses of part II of the COS-CRC

From: Consequences of screening in colorectal cancer (COS-CRC): development and dimensionality of a questionnaire

COS-CRC Part II: item order in the questionnaire	Subscales and misfit	Observed	Expected	Gamma sd	Probability of fit to the Rasch model^a	Item difficulty	Single or ‘poor’ item
1. Broader aspects of life	Existential values after deletion of item 11	0.815	0.833	0.033	0.57423	− 0.50
1. Broader aspects of life	Existential values with item 11 split for age	0.820	0.844	0.030	0.41669	− 0.43
1. Broader aspects of life	Existential values super item 10 and 11	0.820	0.827	0.033	0.81774	− 0.51
2. Enjoyment of life	Existential values after deletion of item 11	0.827	0.816	0.038	0.77772	0.15
2. Enjoyment of life	Existential values with item 11 split for age	0.827	0.833	0.034	0.87726	0.21
2. Enjoyment of life	Existential values with super item 10 and 11	0.827	0.812	0.037	0.68256	0.07
3. Relaxed	Relaxed/calm	0.728	0.736	0.050	0.87581	0.05
4. Ability to listen to other people’s problems	Empathy	0.949	0.933	0.023	0.24502	0.26
5. Understand other people’s problems	Empathy	0.964	0.937	0.021	0.20138	− 0.37
6. Family relationships	Social relations	0.972	0.976	0.011	0.69000	− 1.60
7. Friend relationships	Social relations	0.980	0.977	0.012	0.77011	0.58
8. Other people relationships	Social relations	0.978	0.967	0.016	0.51007	1.02
9. Calm	Relaxed/calm	0.758	0.729	0.053	0.59002	0.91
10. Thoughts about future	Existential values after deletion of item 11	0.741	0.813	0.040	0.07193	0.27
10. Thoughts about future	Existential values with item 11 split for age	0.821	0.833	0.036	0.73595	0.34
10. Thoughts about future	Existential values with super item 10 plus 11	0.821	0.872	0.030	0.08849	0.45
11. Well-being	Existential values, misfit	0.828	0.829	0.038	0.98421	0.52	‘Poor item’
11. Well-being	Existential values with split for age	0.828	0.815	0.040	0.74393	Age = < 61: 14.02 Age = 61–65: − 0.32 Age = 66–70: 14.02 Age = > 70: 0.70
11. Well-being	Existential values with super item 10 plus 11	0.828	0.874	0.031	0.13929	0.06
12. Awareness of life	Existential values with deletion of item 11	0.855	0.818	0.038	0.32697	0.23
12. Awareness of life	Existential values, with item 11 split for age	0.854	0.833	0.034	0.53923	0.29
12. Awareness of life	Existential values with super item 10 and 11	0.854	0.813	0.037	0.26599	0.14
13. Value life	Existential values after deletion of item 11	0.868	0.827	0.035	0.24845	− 0.16
13. Value life	Existential values with item 11 split for age	0.862	0.839	0.032	0.48078	− 0.09
13. Value life	Existential values with super item 10 and 11	0.862	0.821	0.034	0.23802	− 0.21
14. Energy	Impulsivity	0.864	0.907	0.030	0.14298	0.31
15. Feel responsible for my family	Empathy	0.854	0.913	0.025	0.02108	0.11
16. Lived life to the full	Impulsivity	0.900	0.912	0.030	0.68793	− 0.45
17. Relieved	Relaxed/calm	0.726	0.753	0.047	0.56101	− 0.96
18. Being impulsive	Impulsivity	0.913	0.909	0.032	0.91435	0.70
19. Desire to venture into something new	Impulsivity	0.930	0.906	0.030	0.43608	− 0.26
20. Courage to venture into something risky	Impulsivity	0.940	0.914	0.031	0.40994	− 0.17
21. Done things that overstepped my bounds	Impulsivity	0.927	0.916	0.031	0.70756	− 0.13

^aBenjamini-Hochberg rejects all p-values < 0.0016 to control the FDR at 0.05 and < 0.0003 to control the FDR at 0.01
^* < 5% false discovery rate (FDR), ** < 1% FDR

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ISSN: 2050-7283

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