• Participant date of Birth
• Health Insurance Type
• Rare Disease Diagnosis
• Number of Living Children
• Pain
• Name of Registrar
• State or Province of Birth
• Depression
• First Name of Participant
• Participant Age for Height
• Sex of Participant
• Health Insurance Coverage
• Educational Attainment
• Maternal Educational Attainment
• Number of Pregnancies
• Participant Previous Trial Participation
• State of Participant’s Residence
• Assent 
• Participant Assistive Device
• Participant Preferred Contact