Attributes in stated preference elicitation studies on colorectal cancer screening and their relative importance for decision-making among screenees: a systematic review

Table 2 Attributes (n = 120) of colorectal cancer screening tests by categories (n = 6) extracted from 23 publications

Categories	Procedure-related characteristics (n = 42)								Test characteristics (n = 23)
Attributes	Procedure	Frequency	Preparation	Location	Follow-up test required	Duration	Mode of test delivery	Purpose	Sensitivity	Specificity	1-Speificity	1-Sensitivity	Proportion of false positives in relation to all screenees
Total number of attributes	13	12	10	2	2	1	1	1	12	4	2	1	4
Rating
Hawley et al., 2008 [46]	1^a	1	1						1^b
Ranking
Gyrd-Hansen et al., 2001 [58]		1											1^c
Discrete choice
Generic
Salkeld et al., 2000 [55]			1										1^d
Salkeld et al., 2003 [56]													1^e
Marshall et al., 2007 [39]	1		1						1	1
Howard et al., 2009 [43]	1		1						2	1
Marshall et al., 2009 [47]	1^a	1	1		1				1	1
Van Dam et al., 2010 [36]		1	1	1		1
Nayaradou et al., 2010 [59]	1						1		1				1^f
Pignone et al., 2012 [44]	1^a	1
Brenner et al., 2014 [45]	1^a	1			1
Groothuis-Oudshoorn et al., 2014 [53]	1^a	1	1						1	1
Pignone et al., 2014 [48]	1
Kistler et al., 2015 [49]	1^a	1
Martens et al., 2016 [50]	1
Osborne et al., 2018 [57]	1								1^b
Mansfield et al., 2018 [51]			1					1	1^a^,b
Ramezani_Doroh et al., 2019 [60]	1^a	1	1	1					1
De Bekker-Grob et al., 2019 [41]		1										1
Phisalprapa et al., 2021 [61]		1	1
Labelled
Hol et al., 2010 [38]		1
Benning et al., 2014 [52]									1		1
Benning et al., 2014 [54]									1		1

Categories	Benefits (n = 13)		Harms (n = 16)		Structural characteristics of health care (n = 24)
Attributes	Reduction in colorectal cancer mortality (and incidence)	Colorectal cancer survival	Test-related pain and/or discomfort	Risk of complications	Out-of-pocket costs	Information processes	Travel time to screening facility	Waiting time for follow-up-test	Supervision	Level of evidence
Total number of attributes	12	1	8	8	15	5	2	1	1	2
Rating
Hawley et al., 2008 [46]			1
Ranking
Gyrd-Hansen et al., 2001 [58]	1				1
Discrete choice
Generic
Salkeld et al., 2000 [55]					1	1			1
Salkeld et al., 2003 [56]	1					1
Marshall et al., 2007 [39]			1		1
Howard et al., 2009 [43]					1
Marshall et al., 2009 [47]			1	1	1
Van Dam et al., 2010 [36]	1		1	1
Nayaradou et al., 2010 [59]	1				1	1
Pignone et al., 2012 [44]	1^a		1	1	1
Brenner et al., 2014 [45]	1^a			1
Groothuis-Oudshoorn et al., 2014 [53]				1
Pignone et al., 2014 [48]					2		1
Kistler et al., 2015 [49]	1			1
Martens et al., 2016 [50]					2		1
Osborne et al., 2018 [57]					1
Mansfield et al., 2018 [51]			1^a		1
Ramezani_Doroh et al., 2019 [60]	1		1	1	1
De Bekker-Grob et al., 2019 [41]		1				1		1
Phisalprapa et al., 2021 [61]	1		1	1	1
Labelled
Hol et al., 2010 [38]	1
Benning et al., 2014 [52]	1									1
Benning et al., 2014 [54]	1					1				1

^aCombination of different aspects within one attribute
^bStated as accuracy and/or performance by the authors
^cStated as risk of being called in for an unnecessary colonoscopy
^dStated as chance of a false positive test by the authors
^eStated as chance of a false positive test result and requiring an unnecessary colonoscopy by the authors
^fStated as the number of unnecessary colonoscopies generated by the possible occurrence of false-positive results by the authors

ISSN: 2191-1991