Table 1 Summary of study characteristics

Physiotherapy

Anderson, 2005

Australia ^a

Database Review

To generate a profile of the physiotherapy profession in New South Wales

Landry, 2007

Canada ^a

Database Review

To estimate HHR ratios across provincial jurisdictions by combined population data with lists of registered PTs

Landry, 2009

USA ^a & Canada ^a

Database Review

To estimate PT HHR ratios across the USA to conduct a comparative analysis of USA and Canada

Zimbelman, 2010

USA ^a

Database Review

To examine current and future PT job surplus/ shortage trends across the USA

Bath, 2015

Canada ^a

Database Review

To compare demographics and clinical characteristics and map the distribution between PTs in rural & urban areas

Shah, 2015

Canada ^a

Database Review

To investigate differences in geographic accessibility to community-based PTs and FPs

Jesus, 2016

USA ^a, Singapore ^a, Portugal ^a, Bangladesh ^b

Database Review

To examine the PT supply across 4 countries to reflect contextual factors likely to affect PT supply needs

Eighan, 2018

Ireland ^a

Database Review

To estimate the supply of PTs in Ireland and profile PTs across acute and non-acute sectors and across public & private

Rodes, 2021

Brazil ^b

Database Review

To describe secular trends of the PT workforce-to-population ratio among the public and private health care sectors and across care levels of the Unified Health System

Occupational Therapy

Ned, 2020

South Africa ^b

Database Review

To describe the demographic trends of occupational therapists from 2002 to 2018 in South Africa

Audiology

Windmill, 2013

USA ^a

Database Review

To apply the Physician Supply Model to audiology and determine supply of audios and if it will meet future demands

Planey, 2016

USA ^a

Database Review

To assess the relationships between socio-demographic and structural factors and audiologist supply

Coco, 2018

USA ^a

Database Review

To present results from a geographic analysis as part of teleaudiology planning assessment for Arizona

Audiology & Speech Therapy

Pillay, 2020

SA ^b

Database Review

To examine the demographic profile and supply of audiologists and speech therapists in South Africa

Physiotherapy and Occupational Therapy

Rathore, 2011

Pakistan ^b

Database Review

To present an overview of Physical Medicine and Rehabilitation in Pakistan, its origins, status and plans

Jesus, 2020

35 Countries ^a

Database Review

To determine whether population-adjusted rates of rehabilitation needs are associated with the PT & OT supply across 35 HICs

Physiotherapy, Occupational Therapy and Speech Therapy

Wilson, 2009

USA ^a

Database Review

To assess the distribution of rehabilitation health professional shortages and the differences between metro/ non-metro counties

Barrett, 2015

Australia ^a

Cross-sectional

To profile staffing levels of allied health professionals and support staff in Queensland Health inpatient services

Rodes, 2017

Brazil ^b

Database Review

To estimate the distribution trend of rehabilitation HR in Brazilian HCN, especially for PHC of STs, OTs and PTs