Table 3.

Topics covered in questionnaire, with outcome variables

Topic	Outcome variable (Q# in questionnaire)	Notes	Sources and references
Mental health	Kessler 10 (K10) psychological distress in last 4 weeks (Q9) SF-12v2 Mental Health sub-scale (Q1–7)	SF-12v2 not included in Additional file 1 (copyrighted)	2016/17 NZHS [19, 56–58]
Physical health	SF-12v2 Physical Health sub-scale(Q1–7)	SF-12v2 not included in Additional file 1 (copyrighted)	2016/17 NZHS [19, 57, 58]
Self-rated health	First item of SF-36/SF-12 (Q1)		2016/17 NZHS [19]
Unmet health care need	Any unmet health care need (Q8) Any unmet need for mental health, including substance abuse (Q10) Any unmet need for General Practitioner (GP) visit (Q20, 21)	All cover last 12 months	Australian GSS [59, 60] 2016/17 NZHS [19] 2011/12 NZHS [61]
Health care centre	Has a usual health care centre (Q11) Type of usual health care centre (Q12) Satisfaction with usual medical centre (Q13)	Satisfaction asked for last 12 months (if visited usual centre)	2016/17 NZHS [19] 2011/12 NZHS [61]
Health care experience	Saw GP in last 12 months for own health (Q14) Number of times saw GP last 12 months (Q15) Experience with GP on last visit (Q16–19): Explained conditions/treatment (Q16) Involved patient in decisions (Q17) Treated with respect & dignity (Q18) Has confidence and trust in GP (Q19)		2016/17 NZHS [19] 2011/12 NZHS [61]
Recent experience of racial discrimination	See NZHS questions in Table 1 (Q22–25)	Adapted NZHS questions (Table 1) for last 12 months	2016/17 NZHS [19]