Table 2 Formal search strategy

Ovid

Including the following databases:

• Embase <1974 to present>

• Ovid MEDLINE(R) and Epub Ahead of Print, In-Process, In-Data-Review & Other Non-Indexed Citations and Daily <1946 to present>

• Global Health <1973 to present>

• APA PsycInfo <1806 to present>

• Social Policy and Practice <202101>

(policy).mp. AND ("policy dialogue*" OR "deliberative dialogue*" OR "stakeholder deliberation" OR "deliberative engagement" OR "public deliberation").m_titl

• English language

• Deduplicate

Web of Science Core Collection

1900–present. Including the following indexes:

• Science Citation Index Expanded (SCIE)

• Social Sciences Citation Index (SSCI)

• Arts & Humanities Citation Index (AHCI)

• Conference Proceedings Citation Index-Science (CPCI-S)

• Conference Proceedings Citation Index–Social Science & Humanities (CPCI–SSH)

• Emerging Sources Citation Index (ESCI)

TI=(("policy dialogue*" OR "deliberative dialogue*" OR "stakeholder deliberation" OR "deliberative engagement" OR "public deliberation")) AND TS=(policy)

• English language

• Exclude: meeting abstracts; proceedings papers; book reviews; reviews; news items

ProQuest Political Science

1985–present

noft(policy) AND ti(("policy dialogue" OR "policy dialogues") OR ("deliberative dialogue" OR "deliberative dialogues") OR "stakeholder deliberation" OR "deliberative engagement" OR "public deliberation")

• English language

• Exclude: blogs, podcasts and websites; conference papers and proceedings; magazines; newspapers; wire feeds; trade journals; book reviews