None of the studies reported the reliability and validity of the methods used to measure sedentary behaviour .
Supporting positive change in lifestyle behaviours is a priority in tackling the health inequalities experienced by adults with intellectual disabilities .
In this systematic review , we examine the evidence on the definition , measurement and epidemiology of sedentary behaviour of adults with intellectual disabilities .
Many research ers do not distinguish between insufficient physical activity and sedentary behaviour .
An efficacy trial of ‘Steps to Your Health’, a health promotion programme for adults with intellectual disability
Objective : Although there are evaluation and effectiveness studies of health promotion interventions for adults with intellectual disabilities ( ID ) , r and omized efficacy trials of such interventions are lacking . Design : A r and omized active control intervention trial . Setting : The participants attended the health promotion classes in local disability agency service facilities . Method : We enrolled 443 individuals and r and omly assigned them to one of two eight-week participatory classes . The ‘ Steps to Your Health ’ ( STYH ) classes emphasized moderate to vigorous physical activity ( MVPA ) , healthy eating and  body mass index ( BMI )  reduction . The control intervention focused on hygiene and safety . Results : We did not find a statistically significant difference in mean MVPA or BMI change between completers of the STYH group compared to the control group one year after the intervention was completed . We did find that participation in STYH classes had a non-significant association with odds of reduction in BMI ( odds ratio [ OR ] 2.87 , 95 % confidence interval [ CI ] 0.91–9.11 ) and completers who lived in group homes were more likely than their counterparts who lived with families or in apartments to decrease their BMI ( OR 4.61 ; 95 % CI 1.14–18.64 ) . Conclusions : This trial did not demonstrate a significant effect of STYH participation on change in mean minutes of MVPA or mean BMI 12 months after classes ended , although there was a non-significant association with odds of reduction of BMI ( p = 0.07 ) . This study has implication s for design of intervention studies in people with intellectual disability ( ID )
None of the studies reported the reliability and validity of the methods used to measure sedentary behaviour .
Supporting positive change in lifestyle behaviours is a priority in tackling the health inequalities experienced by adults with intellectual disabilities .
In this systematic review , we examine the evidence on the definition , measurement and epidemiology of sedentary behaviour of adults with intellectual disabilities .
Many research ers do not distinguish between insufficient physical activity and sedentary behaviour .