Table 1 Agenda for the semi-structured interviews

Introduction to the interview

To introduce interview objectives and methodology

Ice breaker questions

Questions with very little anticipated emotional content and with the objective of making the adolescent feel comfortable

How they live with pain related to JIA

To explore what their pain is like and how they cope with their illness.

Friendships

To explore what their friendship relationships are like

Friendships and pain

To explore how pain can affect friendships

How to improve their friendships

Strategies they would consider useful to improve their friendships

Opinion about an online resource and how it should be

To obtain information about their perceptions of an online resource and how it should be structured

Ending

To summarize and give the chance to include other ideas