Internal Validity

Benefits

Risks & contraindications

Evidence quality

Highlighted claims

• The absence of a randomised control group is identified as the study’s major limitation. — Feasibility and effectiveness of a multicomponent and multilevel personalised lifestyle intervention for adults with intellectual disabilities: protocol for a feasibility and multiple baseline one-arm effectiveness study
• The multiple-baseline design is presented as a strength because every participant receives the intervention while acting as their own reference. — Feasibility and effectiveness of a multicomponent and multilevel personalised lifestyle intervention for adults with intellectual disabilities: protocol for a feasibility and multiple baseline one-arm effectiveness study
• Equal baseline and intervention lengths may confound intervention effects with time in the study or repeated study procedures. — Feasibility and effectiveness of a multicomponent and multilevel personalised lifestyle intervention for adults with intellectual disabilities: protocol for a feasibility and multiple baseline one-arm effectiveness study
• The dietary assessment is limited because its psychometric properties are still under investigation and it does not estimate macronutrient or energy intake. — Feasibility and effectiveness of a multicomponent and multilevel personalised lifestyle intervention for adults with intellectual disabilities: protocol for a feasibility and multiple baseline one-arm effectiveness study