Table 5 Assessment of feasibility and acceptability success criteria

1. Recruitment of care homes:

Met

• Six care homes recruited within 3 months

2. Resident eligibility criteria and recruitment

Met

• 84.5 % of those at risk of malnutrition were eligible for the intervention

• 93 residents recruited

3. Retention of care homes and residents

Met

• 100 % of the care homes were retained

• 68 % of the residents were retained at 6 months

4. Intervention acceptability to residents and staff

Met

• Intervention crossover of 7.4 % for SC, 4.3 % for ONS arm and 0 % for FB

• 86 % of residents compliant with ≥50 % of dietetic-led intervention dose at T1 and T2

• Resident compliance with ≥75 % of the dietetic-led intervention dose at T1 and T2: FB: 78 % and 70 %; ONS: 67 % and 63 %

• Staff adherence: 100 % for FB at T1 and T2. 100 % for ONS at T1 and 95 % at T2

5. Feasibility and acceptability of the outcomes piloted

Met for

• Weight, BMI, MUAC, Energy, protein, fluid intake (>80 % data completeness)

Not met for

• HGD and TSF (completeness of 54 % and 78 % respectively)