Results
Our dataset included 224 children enrolled in the WATCH trial between 2014 and 2020, ranging in age from 18 months to 16 years (median age 3.6 years; mean age 4.5 years). Males made up 54.5% of the sample. Qualitative data were derived from 11 parent/carer interviews, 12 individual RO interviews and the RO focus group.