Table 1.

Criteria for including studies in the review

	Inclusions
Population	Adults aged 18 years and over with OA. The study population must have OA in multiple joint sites (at least two sites from the hand, hip, knee or foot).
Intervention	Multidisciplinary interventions that target the NICE7 core treatments in primary care (“multidisciplinary” is defined as involving at least two different health disciplines).
Comparison	Usual care, uni-disciplinary approaches, placebo interventions or no intervention.
Outcome	Primary outcomes of interest were self-reported pain, function, QoL and health care utilisation.
Design	The study population must form part of an RCT.
	Exclusions
Population	Inflammatory arthritis; surgical interventions, specified peripheral joint pain conditions, chronic widespread pain (CWP).
Intervention	Non-randomised controlled trials. Studies not published in the English language.
Comparison	Surgical interventions.
Outcome	No measure of any of the key outcomes listed in the inclusion criteria
Design	Single discipline approaches