It is a 23-item generic health status instrument that assesses five domains of health (physical functioning, emotional functioning, psychosocial functioning, social functioning, and school functioning) in adolescents.
The PedsQL 4.0 has been proposed as a valid and reliable generic pediatric HRQOL measurement that can be used for self-reports in age groups ranging from 2 to 18 years and can also be used in clinical practice, clinical trials, and research, as well as school health settings, and community populations.
It is a questionnaire for the child about child's physical, emotional, social, and school functioning in the past one month. On the PedsQL Generic Core Scales, for ease of interpretability, items are reversed scored and linearly transformed to a 0-100 scale, so that higher scores indicate better HRQOL (Health-Related Quality of Life).