Table 1

Search terms used in main databases

DatabaseSearch terms
PubMed1. MeSH Heading = (“Primary Health Care” OR “Physicians, Family” OR “Family Practice”)
AND “Cohort Studies”
AND (“Comorbidity” OR Title/Abstract = comorbid* OR Title/Abstract = (co-morbid* OR multimorbid* OR multi-morbid*)
NOT MeSH = (“Intervention Studies”, “Clinical Trials as Topic”, “Cross-Sectional Studies” “Retrospective Studies”)
NOT Publication Type = (“Clinical Trial”)
[Search parameters: humans; all adults aged 19+; studies from 1989 to present when ‘cohort studies’ was introduced as a MeSH term]
2. As above but instead of ‘cohort studies’:
MeSH heading = (“Follow-Up Studies” OR “Prospective Studies” OR “Epidemiologic Methods”)
[Search parameters: humans; all adults aged 19+; studies up to end 1988]
CINAHLHeadings = Comorbidity OR Keyword = (multimorbid* or multi-morbid*)
AND Headings = (Primary Health Care Or Physicians, Family Or Family Practice)
AND Heading = Prospective Studies
NOT ‘trial’ in title
PsycINFODescriptors = (general practitioners or family medicine or family physicians or primary health care)
AND Descriptors = ((comorbidity) OR Keyword = (“multimorbid*” or “multi-morbid*” or “comorbid*” or “co-morbid*”)
AND Methodology = (Longitudinal study or followup study or prospective study)
NOT Title = (Trial)
ISI Web of ScienceTopic = (multi-morbid* OR comorbid* OR co-morbid* or multimorbid*)
AND Topic = (Longitudinal stud* OR cohort stud* OR prospective stud* OR cohort stud*)
AND Topic = (Primary Health Care OR Physician*, Family OR Family Practice* OR general practitioner* OR family medicine OR family physician*)
NOT Title = (TRIAL)
NOT Title = (HOSPITAL*)
[Search parameters: timespan = all year; databases = SCI-EXPANDED, SSCI, CPCI-S]
CSA Conference Papers Index[KEYWORDS] (Primary health care or family physicians or family practice)
AND (“multi-morbid*” or “comorbid*” or “co-morbid*”)
AND (Longitudinal study or cohort study or prospective study)
AND multimorbid*
AND (general practitioners or family medicine or family physicians)
AND (followup study or follow-up study)
  • CPI-S = Conference Proceedings Citation Index – Science. SCI-Expanded = Science Citation Index – Expanded. SSCI = Social Sciences Citation Index.