Table 9 Full database search strategy for included studies

Population

exp Arthroplasty, Replacement, Hip/

OR exp. Hip Joint/

OR exp. Hip Prosthesis

OR exp. Osteoarthritis, Hip/

((Arthroplasty, Replacement, Hip [mh]) OR (Hip Joint [mh])

OR (Hip Prosthesis [mh]) OR (Osteoarthritis, Hip [mh]))

TS = hip arthroplasty

OR TS=Hip Joint OR TS=Hip Prosthesis

OR TS=Hip Osteoarthritis

Interest

exp Socioeconomic Factors/

OR exp. Social Class/

OR exp. Ethnic Groups/ OR exp. Minority Groups OR Demography.mp

((Socioeconomic Factors [mh])

OR (Social Class [mh]) OR (Ethnic Groups [mh]) OR (Demography [TIAB]) OR (Minority Groups [mh]))

TS=Socioeconomic Factors OR TS=Social Class OR TS = Ethnic Groups OR TS = Minority Groups OR TS=Demography

Context I

exp Health Services Accessibility/

OR exp. “Health Services Needs and Demand”/ OR exp. Social Justice/ OR exp. Health Care Reform/

OR exp. Delivery of Health Care/

OR exp. Health Planning/

OR exp. Health Policy/ OR exp. Healthcare Disparities

OR exp. Health Status Disparities

OR Health Services.mp OR (equalit$ OR inequalit$ or equit$ or inequit$).tw

((Health Services Accessibility [mh]

OR (Health Services Needs and Demand [mh])

OR (Social Justice [mh]) OR (Health Care Reform [mh])

OR (Delivery of Health Care [mh])

OR (Health Planning [mh])

OR (Health Policy [mh]) OR (Healthcare Disparities [mh])

OR (Health Status Disparities [mh])

OR (Health Services [TIAB])

OR (equalit*)

OR (inequalit*)

OR (equit*)

OR (inequit*))

TS=Health Services Accessibility OR TS=Health Services Needs

OR TS = Health Services Demands OR TS=Social Justice OR TS=Health Care Reform

OR TS=Delivery of Health Care

OR TS=Health Planning

OR TS=Health Policy

OR TS=Healthcare Disparities

OR TS=Health Status Disparities

OR TS=Health Services OR TS = equalit* OR TS = inequalit*

OR TS = equit*

OR TS = inequit*

Context II

Custom geographical filter developed by Ayiku et al. [65]

(United Kingdom OR England or Wales OR Scotland OR Great Britain OR GB OR UK)

(ALL = (United Kingdom OR England or Wales OR Scotland OR Great Britain OR GB OR UK))