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Table 3 Feasibility and acceptability success criteria

From: A cluster randomised feasibility trial evaluating nutritional interventions in the treatment of malnutrition in care home adult residents

Objectives: Success criteria
Recruitment of care homes • Recruitment target of six met in the time available (3 months)
Resident eligibility criteria and recruitment • Favourable difference shown in number at risk of malnutrition and number that were deemed eligible (≤20 % difference)
• Estimated resident recruitment target of n ≥50 met
Retention of care homes and residents • Retention of 100 % for care home sites
• Retention of ≥65 % for residents at 6 months follow-up, accounting for expected high mortality and attrition rates
Intervention acceptability to residents and staff • Intervention crossover of ≤10 % for each trial arm
• Given that the clinical benefits of ONS (unknown for FB) are seen with one to three servings (300 to 900 kcal) daily:
- ≥80 % of residents to be compliant with ≥50 % dietetic-led intervention dose (≥300 to 450 kcal),
- ≥60 % of residents to be compliant with ≥75 % of the dietetic-led intervention dose (≥450 to 600 kcal)
• ≥85 % staff adherence to intervention schedule
Feasibility and acceptability of the outcomes piloted • Data completeness of ≥ 80 %
• Reported and recorded values were considered complete. Unknown and blank values (due to lack of recording, resident refusal, and inability to measure) were considered missing values.
Objectives: Success criteria
Recruitment of care homes • Recruitment target of six met in the time available (3 months)
Resident eligibility criteria and recruitment • Favourable difference shown in number at risk of malnutrition and number that were deemed eligible (≤20 % difference)
• Estimated resident recruitment target of n ≥50 met
Retention of care homes and residents • Retention of 100 % for care home sites
• Retention of ≥65 % for residents at 6 months follow-up, accounting for expected high mortality and attrition rates
Intervention acceptability to residents and staff • Intervention crossover of ≤10 % for each trial arm
• Given that the clinical benefits of ONS (unknown for FB) are seen with one to three servings (300 to 900 kcal) daily:
- ≥80 % of residents to be compliant with ≥50 % dietetic-led intervention dose (≥300 to 450 kcal),
- ≥60 % of residents to be compliant with ≥75 % of the dietetic-led intervention dose (≥450 to 600 kcal)
• ≥85 % staff adherence to intervention schedule
Feasibility and acceptability of the outcomes piloted • Data completeness of ≥ 80 %
• Reported and recorded values were considered complete. Unknown and blank values (due to lack of recording, resident refusal, inability to measure) were considered missing values.