Fig 1.
Diagram illustrating the stages of development and implementation of the HYPE project platform.
Fig 2.
Flow chart illustrating process of public and patient engagement and involvement.
Fig 3.
Flow chart illustrating the stages of research, the methods and the number of participants that took part in the different stages of the project.
Fig 4.
Graph illustrating website users during January 2020.
Table 1.
Sample characteristics and proportions of those aged 16–24 years and residing in England who completed the pilot online survey (N = 433).