Table 2.

Clinical outcome measurements/procedures used in the ‘Get Healthy!’ feasibility trial

Dimension measured	Procedure details
Body mass index (BMI)	BMI = weight/height (kg/m2) [22]
Waist circumference	Measured at the midpoint between the iliac crest and the lowest rib, in full expiration, to the nearest 0.1 cm while the person is standing [23]
Blood pressure	To be measured using sphygmomanometer while the participant is seated and has rested for at least 5 min prior [24]
Cardiovascular fitness	YMCA sub-maximal ergometer test 12 min duration [25]: - Minutes/stages performed - Peak heart rate (%APMHR) - Peak workload achieved
Physical activity level and sedentary behaviour	Subjective data: - International Physical Activity Questionnaire-proxy respondent (IPAQ-pr) proxy report [26] Objective data: - Waist-based GTX3 actigraph accelerometer to be worn for a period of 3–5 days in each data collection period [27]
Physical Strength	- 30-s modified push-up test [28] - Medicine ball throw/chest pass [29] - 10 RM testing [30] - 30-s sit-to-stand test [31]
Quality of life	Personal Wellbeing Index-Intellectual Disability (PWI-ID) [32]
Dietary intake	- 3-day photographic food record [33] - Proxy-assisted 24-h recall [34]
Healthy literacy	Nutrition and Activity Knowledge Scale for Use with People with an Intellectual Disability (NAKS) questionnaire [35]