Despite the benefits of social participation, children and adolescents with developmental disabilities (DD) are often excluded from taking part in social activities. There is a gap in the literature about the factors that contribute to adequate participation of children with severe DD in particular and the barriers to their participation. Taking an ecological perspective, the purpose of this study was to examine child, family and community variables that may impact the activity participation of children and adolescents with severe DD. To read the full article, log in using your SSSFT NHS OpenAthens details. SSOTP - You can request a copy of this article by replying to this email. Please ensure you are clear which article you are requesting.