Focus and Cognitive Interviewing Flowchart. Focus interview transcripts of pediatric patients with EoE and their parents were used to develop the items and domains for the PedsQL™ EoE Module . Cognitive interviewing was conducted in the current study with separate cohorts of pediatric patients and their parents in the 5–7, 8–12 and 13–18 year old age groups, while parent proxy-reports were also obtained in the 2–4 year old age group.
Franciosi et al. BMC Gastroenterology 2012 12:135 doi:10.1186/1471-230X-12-135