Background: The Investigating Choice Experiments for the Preferences of Older People (ICEPOP) programme developed a capability-based measure of general quality of life (QOL): the ICEPOP CAPability (ICECAP-O) instrument. ICECAP-O was originally intended for use in the economic evaluation of...

Background: Antimicrobial resistance (AMR) is, at least in part, associated with high antimicrobial usage and causes increased morbidity, mortality and healthcare costs. However, policies to contain AMR focus on `micro' interventions - typically in one institution (usually a hospital)....

Objective: To identify any differences in response and completion rates across two versions of a questionnaire, in order to determine the trade-off between a potentially higher response rate (from a short questionnaire) and a greater level of information from each respondent (from a long...