This is the protocol for a Campbell systematic review. The objectives are as follows:to assess the efficacy of interventions aiming to improve outdoor mobility for people with disability and to explore if the efficacy varies between different populations and different intervention components.
| BACKGROUND
| The problem, condition, or issueAround 15% of the global population, which accounts for around one billion people, live with some form of disability and the number is increasing (WHO, 2020). The International Classification of Functioning, Disability and Health (ICF) is an international conceptual framework used to describe and measure health and disability on both the individual and population level (ICF, 2001). Disability, according to the ICF terminology, is the term for any impairments, activity limitations or participation restrictions and includes all traumatic, congenital, and acquired conditions. The ICF is focusing on health and the consequences of disease, and is closely related to the International Statistical Classification of Diseases and Related Health Problems (ICD-10), a framework that describes and classifies diseases, disorders, and other health conditions by diagnosis (ICD-10, 2004). The definition of disability used in the ICF includes many potential causes for disability and can include but is not limited to specific disease classifications.People living with a disability can experience worse health outcomes (WHO, 2004), experience less participation in the community as well as be part of fewer activities outside the home (Eurostat, 2015). For example, a systematic review exploring unmet long-term needs reported that 74% of people after stroke perceive at least one or more unmet needs in their life (Chen, 2019). Moreover, people with disability due to dementia have reported decreased outof-home participation and life space outside the home (Margot-
Cattin, 2021).There are several international and national strategies and policies to guide initiatives to reduce the prevalence and impact of living with disability, for example, the United Nations Convention on the Rights of Persons with Disabilities (CRPD, 2006) and the European Disability Strategy (EU, 2020). In addition, the EU priority areas for people living with disability lists essential areas and goals for further initiatives for people with disability. This includes accessibility to goods and services, participation in public life, activities and community services, and equality to combat discrimination and promote equal opportunities.Mobility outside the home, or outdoor mobility, is a prerequisite for participation, and includes any way of transportation and mobility in the outdoor environment. This can include using your own body for transportation as walking or using vehicles for transportation as cars, buses, train, tram, bicycles, or scooters (Mollenkopf, 2006). For people living with a disability, using different mobility devices such as a rollator or a manual/electric wheelchair can also facilitate outdoor mobility. Outdoor mo...