Table 1, Participant Flow - Developing Measures of Pain Appraisal and Pain-Related Self-Efficacy for People Living with Chronic Pain

	Study phase, n
Started	28	33	1146
Completed	19	22	795
Not completed	9	11	351
Adverse event	0	0	0
Death	0	0	0
Lack of efficacy	0	0	0
Lost to follow-up	3	7	200
Physician/Investigator decision	0	0	62
Pregnancy	0	0	0
Protocol violation	0	0	0
Withdrawal by subject	6	4	11
Incomplete	0	0	78

From: Developing Measures of Pain Appraisal and Pain-Related Self-Efficacy for People Living with Chronic Pain

Cover of Developing Measures of Pain Appraisal and Pain-Related Self-Efficacy for People Living with Chronic Pain

Developing Measures of Pain Appraisal and Pain-Related Self-Efficacy for People Living with Chronic Pain [Internet].

Amtmann D, Jensen M, Turk D, et al.

Washington (DC): Patient-Centered Outcomes Research Institute (PCORI); 2019 Jul.

This book is distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License which permits noncommercial use and distribution provided the original author(s) and source are credited. (See https://creativecommons.org/licenses/by-nc-nd/4.0/

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	Study phase, n
	Focus groups	Cognitive interviews	Large-scale administration
Started	28	33	1146
Completed	19	22	795
Not completed	9	11	351
Adverse event	0	0	0
Death	0	0	0
Lack of efficacy	0	0	0
Lost to follow-up	3	7	200
Physician/Investigator decision	0	0	62
Pregnancy	0	0	0
Protocol violation	0	0	0
Withdrawal by subject	6	4	11
Incomplete	0	0	78

Table 1Participant Flow