Author Contributions: Dr Williams had full
access to all of the data in the study and takes responsibility for the integrity
of the data and the accuracy of the data analysis.
Study concept and design: Wake, Hesketh, Waters.
Acquisition of data: Wake, Hesketh.
Analysis and interpretation of data: Williams,
Drafting of the manuscript: Williams, Wake,
Critical revision of the manuscript for important
intellectual content: Williams, Hesketh, Waters.
Statistical analysis: Williams, Hesketh.
Obtained funding: Wake, Hesketh, Waters.
Administrative, technical, or material support:
Study supervision: Wake, Waters.
Funding/Support: This study was supported by
grants from the National Heart Foundation, Financial Markets for Children,
and Murdoch Childrens Research Institute. Dr Wake is supported by a National
Health and Medical Research Council (NHMRC) Career Development Award; Ms Hesketh
by an NHMRC Public Health Postgraduate Scholarship; Dr Maher by an NHMRC project
grant to develop a measure of quality of life for children with cerebral palsy;
and Dr Waters by a Victorian Health Promotion Foundation Public Health Research
Role of the Sponsors: The National Heart Foundation,
Financial Markets for Children, and Murdoch Childrens Research Institute had
no role in the design and conduct of the study. They also did not provide
input into the conception of the research, data acquisition, analysis or interpretation,
nor in supervision of the researchers.
Acknowledgment: We acknowledge the contribution
of all field workers who conducted the data collection.