Table 1.

Change analysis

		Back translation review			Cognitive debriefing			Overall change (Yes/No)
Phrase	Content	Reason	Source	Accepted	Reason	Source	Accepted
I0	Explanation	L	2	+	L	2	+	N
Q1	Daily activities				I	3	+	Y
I1	Instruction 1
R1–4	Response option 1	I	1	+				Y
Q2	Social networks
Q3	Losing sleep	I	1	+				Y
Q4	Enjoying recreation
Q5	Suitable accommodation
R5	Response option 2
Q6	Neighbourhood safety
R6	Response option 3
Q7	Potential for assault				I	2	–	N
R7–8	Response option 4
Q8	Discrimination
I2	Instruction 2	I	1	+				Y
Q8a	Additional question	I	1	+				Y
I3	Instruction 3
R8a	Response option 5				P	2, 3	+	Y
Q9	Additional question
I4	Instruction 4				I	2	+	Y
R9	Response option 6	I	1	+				Y
Q9a	Influencing local decisions	L	2	+	S	2	–	Y
Q9b	Freedom of expression
Q9c	Appreciating nature
Q9d	Respect and appreciation	I	1	+				Y
Q9e	Love and support				I	3	+	Y
Q9f	Planning one’s life
Q9g	Imagination and creativity
Q9h	Access	I	1	+	I	2	–	Y
Number of accepted changes (%)		9 (31%)			5 (17%)			12 (41%)

Phrase: I = instruction, Q = question, R = response option

Reason: S = differences in political and social systems, L = cross-country language differences, I = possibilities for differential interpretation, P = politically unacceptable expressions

Source: 1 = professional translators; 2 = in-country investigator and/or mental health specialists; 3 = patients and/or carers

Overall change: + = suggested change accepted; − = suggested change rejected