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Table 3 Outcome summary

From: Effects of adding a diet intervention to exercise on hip osteoarthritis pain: protocol for the ECHO randomized controlled trial

Domain

Instrument

Timepoint

Descriptive measures

 

Baseline

 Age, sex, height

 

Baseline

 Duration of hip symptoms

 

Baseline

 Geographical location

 

Baseline

 Education level

 

Baseline

 Current employment status

 

Baseline

 Problem in other joints

 

Baseline

 Radiographic disease severity

Kellgren and Lawrence grading scale

Baseline

 Comorbidities

Self-Administered comorbidity questionnaire

Baseline

 Treatment expectation

5-point ordinal scale

At group allocation

Primary outcome

 Overall average hip pain in past week

11-point NRS

Baseline, 6 and 12 months

Secondary outcomes

 Weight

Self-reported

Baseline, 6 and 12 months

 Body mass index

 

Baseline, 6 and 12 months

 Visceral fat mass

Dual energy x-ray absorptiometry

Baseline and 6 months

 Total body fat mass

Dual energy x-ray absorptiometry

Baseline and 6 months

 Hip pain

11-point NRS

6 and 12 months

 Hip pain, difficulty with activities of daily life, hip-related quality of life

HOOS

Baseline, 6 and 12 months

 Health-related quality of life

AQoL-8D

Baseline, 6 and 12 months

 Perceived change in physical activity since baseline

7-point ordinal scale

6 and 12 months

 Perceived change in hip problem since baseline

7-point ordinal scale

6 and 12 months

Other measures

 Total body lean mass

Dual energy x-ray absorptiometry

Baseline and 6 months

 Depression, anxiety and stress

Depression, Anxiety and Stress Scale

Baseline, 6 and 12 months

 Pain-related fear of movement

Brief Fear of Movement Scale

Baseline, 6 and 12 months

 Self-reported medication use

 

Baseline, 6 and 12 months

 Self-reported use of co-interventions

 

6 and 12 months

 Self-control for eating

Weight Efficacy Lifestyle Questionnaire

Baseline, 6 and 12 months

Adherence

 Self-rated adherence to physical activity plan

5-point Likert scale

Baseline to 6 months

 Self-rated adherence to weight management

5-point Likert scale

Baseline to 6 months

 Self-rated number of strengthening exercise sessions completed over past 2 weeks

 

6 months

 Number and duration of consultations with physiotherapist

 

Baseline to 6 months

 Number and duration of consultations with dietitian (diet and exercise group only)

 

Baseline to 6 months

 Number of weeks using meal replacements (diet and exercise group only)

 

Baseline to 6 months

Harms

 Adverse events

 

6 and 12 months