Table 2 Emerging themes from interviews with GPs asking about views on the INTRO intervention

  ·  Relevant topic but difficult to tackle

  ·  GP’s existing knowledge affects usefulness of intervention

Attractiveness and feasibility of the intervention

  ·  Making the intervention worthwhile for GPs

  ·  Considering the needs of patients

  ·  Managing patient demand

  ·  Trade-off between benefit and harm to consultation time

  ·  Feasibility in the primary care context

  ·  Relevance to the national context and established local practices

  ·  Providing evidence based information

Ease of use of the intervention format

  ·  Design to make easy to use

  ·  Employ attention grabbing features

Clarity of the intervention content

  ·  Make content simple to understand

  ·  Content should be country relevant

  ·  Use content to guide GP through intervention components