Table 1.

Eligibility criteria for including papers in review

	Inclusion Criteria	Exclusion Criteria
Population	• Patients with any advanced, incurable, life-span limiting condition or disease - Can include multi-morbidity (so long as at least one condition is advanced) - Can include ‘serious illnesses’ that have led to palliative care consultation • Proxy discussions of any ‘real patients’ (e.g., by a relative/carer or healthcare professional) where the patient otherwise meets the inclusion criteria • (For RQ2) Any healthcare professional (e.g., consultant, doctor, nursing staff) • Any self-defined ethnicity • Adults >  = 18-years-old	• Patients with non-advanced/non-lifespan-limiting conditions only • The above includes ‘nursing home’ and ‘community dwelling older adult’ populations where no advanced disease is reported • Patients with curable disease • Children/paediatric patients under 18-years-old • Members of the general public with no advanced disease
Comparison	• Either: - Contains a comparison between two or more groups based on ethnicity/race - RQ2: If focussing on a single group, contains a substantive focus or analysis of cultural, ethnic or racial factors	• Focus on only a single group with no analysis of cultural/ethnic factors
Outcome Measures	• RQ1: Any exploration/discussion of uptake of advance care planning (i.e., qualitative, or quantitative) • RQ2: Any exploration/discussion of patient or clinician factors affecting advance care plan uptake (likely qualitative but include quantitative)	• No exploration or discussion of either: - Uptake of advance care planning - Factors affecting uptake of advance care planning
Study Design & Setting	• Any qualitative or quantitative study design (including case reports where ethnicity is discussed) • Any location of healthcare (including but not limited to hospice, hospital, community, home care) • Year of publication 2000 – 2022 • English language publication • Data from any country	• Papers with no new empirical data or new analyses (including systematic reviews, editorials, and commentaries) • Case reports with no reference to ethnicity • Published before year 2000 • Non-English language publication • Autopsy, wet-lab and animal studies