Skip to main content

Table 2 Outcome measures, instruments, and time points

From: POWERS forID: Personalized Online Weight and Exercise Response System for Individuals with Intellectual Disability: study protocol for a randomized controlled trial

Measures Instruments Time point(s)
Adherence Logs, enrollment metrics, tracking data Daily
Demographics Demographics Baseline
Functional abilities POWERS forID disability, health and function Baseline
Body weight Scale and bioelectrical impedance analysis of body composition Clinically measured at baseline and weeks 6, 12, and 24
Physical activity behaviors Physical Activity and Disability Scale; Barriers to Physical Activity and Disability Scale; Exercise Perception Scale; Self-Efficacy Related to Exercise for People with DD Scale Baseline and weeks 6, 12, and 24
Physical activity Physical activity points and steps (pedometer) Daily
Barriers to PA Barriers to Physical Activity and Disability Scale Baseline, weekly, 24 weeks
Nutritional behaviors Block Food Frequency Questionnaire; Fruit and Vegetable Self-Efficacy Scale; Fruits and Vegetables Outcomes Expectancy Scale; Barriers to Fruits and Vegetables Scale Baseline and weeks 6, 12, and 24
Nutrition Healthy eating points Daily
Dietary barriers POWERS forID dietary barriers Baseline and weeks 6, 12, and 24
Psychosocial HealthMatters psychosocial questionnaire; Glasgow Depression Scale for people with a Learning Disability Baseline and weeks 6, 12, and 24
Evaluation of POWERS forID Semi-structured interviews (qualitative analysis) Post-intervention
Lipids Blood test Baseline and 24 weeks