Participation in Organised and Non-Organised Physical Activity Among Autistic Adolescents and Young Adults With Co-Occurring Intellectual Disability.

BACKGROUND: Few studies have explored participation in organised and non-organised physical activities among Autistic adolescents and young adults, including those with intellectual disability. This study aimed to explore participation in organised and non-organised physical activity, including measures of attendance and involvement. METHOD: Forty Autistic adolescents (n = 20) and young adults (n = 20) aged 13 to 28 years (34 male) were included; 75% reported co-occurring intellectual disability. Physical activity participation in organised and non-organised activities was measured as attendance (diversity, frequency and time spent active) and involvement. Data were collected via four self-reported questionnaires and accelerometry. RESULTS: Participation in non-organised activities, for example walking, was most commonly reported. Autistic adolescents and young adults reported spending 39 (SD 25) mins/day in moderate to vigorous physical activity. Average time spent sedentary was high (420 to 499 mins/day). CONCLUSIONS: Autistic adolescents and young adults with co-occurring intellectual disability report participating in non-organised activities rather than organised activities, and many do not meet recommended physical activity guidelines. Further investigation is required to determine factors and supports to facilitate greater physical activity participation among Autistic adolescents and young adults, including those with intellectual disability.