. 2021 Mar 2;62(2):333–345. doi: 10.1007/s12016-021-08846-5

Table 1.

Literature search strategy

Database	Search strategy
PubMed	(cohort studies[mesh:noexp] OR followup studies[mesh:noexp] OR prospective studies[mesh:noexp] OR retrospective studies[mesh:noexp] OR cohort[TIAB] OR prospective[TIAB] OR retrospective[TIAB] OR “Case-Control Studies”[Mesh:noexp] OR "retrospective studies"[mesh:noexp] OR “Control Groups”[Mesh:noexp] OR (case[TIAB] AND control[TIAB]) OR (cases[TIAB] AND controls[TIAB]) OR (cases[TIAB] AND controlled[TIAB]) OR (case[TIAB] AND comparison[TIAB]) OR (cases[TIAB] AND comparison[TIAB]) OR “control group”[TIAB] OR “control groups”[TIAB] OR occupational diseases [MH] OR occupational exposure [MH] OR occupational exposure* [TW] OR “occupational health” OR “occupational medicine” OR work-related OR working environment [TW] OR at work [TW] OR work environment [TW] OR occupations [MH] OR work [MH] OR workplace* [TW] OR workload OR occupation* OR worke* OR work place* [TW] OR work site* [TW] OR job* [TW] OR occupational groups [MH] OR employment OR worksite* OR industry) AND (“Rheumatoid Arthritis” OR RA)
Embase	('rheumatoid arthritis'/exp OR 'rheumatoid arthritis' OR 'ra' OR ra) AND ('silica'/exp OR 'silica') OR 'silica'/exp OR silica) AND ('case control study'/exp OR 'case control study') OR 'cohort analysis'/exp OR 'cohort analysis' OR 'observational study'/exp OR 'observational study' OR 'prospective study'/exp OR 'prospective study' OR 'retrospective study'/exp OR 'retrospective study'

Database

Search strategy

PubMed

(cohort studies[mesh:noexp] OR followup studies[mesh:noexp] OR prospective studies[mesh:noexp] OR retrospective studies[mesh:noexp] OR cohort[TIAB] OR prospective[TIAB] OR retrospective[TIAB] OR “Case-Control Studies”[Mesh:noexp] OR "retrospective studies"[mesh:noexp] OR “Control Groups”[Mesh:noexp] OR (case[TIAB] AND control[TIAB]) OR (cases[TIAB] AND controls[TIAB]) OR (cases[TIAB] AND controlled[TIAB]) OR (case[TIAB] AND comparison*[TIAB]) OR (cases[TIAB] AND comparison*[TIAB]) OR “control group”[TIAB] OR “control groups”[TIAB] OR occupational diseases [MH] OR occupational exposure [MH] OR occupational exposure* [TW] OR “occupational health” OR “occupational medicine” OR work-related OR working environment [TW] OR at work [TW] OR work environment [TW] OR occupations [MH] OR work [MH] OR workplace* [TW] OR workload OR occupation* OR worke* OR work place* [TW] OR work site* [TW] OR job* [TW] OR occupational groups [MH] OR employment OR worksite* OR industry) AND (“Rheumatoid Arthritis” OR RA)

Embase

('rheumatoid arthritis'/exp OR 'rheumatoid arthritis' OR 'ra' OR ra) AND ('silica'/exp OR 'silica') OR 'silica'/exp OR silica) AND ('case control study'/exp OR 'case control study') OR 'cohort analysis'/exp OR 'cohort analysis' OR 'observational study'/exp OR 'observational study' OR 'prospective study'/exp OR 'prospective study' OR 'retrospective study'/exp OR 'retrospective study'