Individual Factors Influencing the Public's Perceptions About the Importance of COVID-19 Immunity Certificates in the United Kingdom: Cross-sectional Web-based Questionnaire Survey.

Background: Understanding how perceptions around immunity certificates are influenced by individual characteristics is important to inform evidence-based policy making and implementation strategies for services around immunity and vaccine certification.

Objective: This study aimed to assess what were the main individual factors influencing people's perception of the importance of using COVID-19 immunity certificates, including health beliefs about COVID-19, vaccination views, sociodemographics, and lifestyle factors.

Methods: A cross-sectional web-based survey with a nationally representative sample in the United Kingdom was conducted on August 3, 2021.

Why 'one size fits all' is not enough when designing COVID-19 immunity certificates for domestic use: a UK-wide cross-sectional online survey.

Objectives: The present study explored public's willingness to use COVID-19 immunity certificates across six different domestic scenarios.

Design: Cross-sectional online survey.

Setting: UK representative survey conducted on 3 August 2021.

Multiple outcome interactions in healthcare systems: a participatory outcome mapping approach.

Outcomes, which are the result state or condition from a process or intervention, are essential elements of healthcare system design and an important indicator of performance. They are included in well-known system analysis frameworks such as the Systems Engineering Initiative for Patient Safety (SEIPS) and Cognitive Work Analysis (CWA). However, fewer practical approaches exist for understanding and communicating interactions among healthcare outcomes.