Electronic supplementary material
An additional item, ‘voice’ conveys who was involved in preparing the TIDieR template, such as researchers, service users or service deliverers.
An additional item, ‘stage of implementation’ conveys what stage the intervention has reached, using a continuum of implementation research suggested by the World Health Organisation.
A new column, ‘modification’ reminds authors to describe modifications to any item in the checklist.
An extension of the ‘how well’ item encourages researchers to describe how contextual factors affected intervention delivery.