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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