Very little is known about physical activity (PA) and PA patterns measured with objective methods among children with intellectual disability (ID).
This study aimed to investigate PA and PA patterns among Icelandic school children with mild-to-severe ID.
A sample of 91 children with ID and a randomly selected age- and sex-matched group of 93 typically developed individuals (TDI) took part in the study. Basic anthropometric measurements were attained, and PA was assessed with ActiGraph accelerometers for 7-10 consecutive days. A questionnaire was used to collect data on PA behavior.
Although children with ID were 40% less physically active and spent 9% more time sedentary than their TDI peers, there was interaction between group and sex (P