PhenX protocol name	Protocol source	Participant	Mode of Administration
1. Academic Performance and Achievement—Child Report—Grades 4 to 6	Healthy Pathways—Academic Performance Child Self-Report^a	Children in grades 4–6	Self-administered questionnaire
2. Academic Performance and Achievement—Parent Report—Grades 4 to 6	Healthy Pathways—Academic Performance Parent or Caregiver Report^b	Primary caregiver of children in grades 4–6	Self-administered questionnaire
3. Bullying	Revised Olweus Bully/Victim Questionnaire (R-OBVQ)^c	Students in grades 3–12	Self-administered questionnaire
4. Childcare Arrangements—Education Setting, 2.9–5 years old	Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD) Study of Early Child Care and Youth Development: Phase II, 1996–1999 [United States]; the NICHD Study of Early Child Care Form 39C—a Revision 06/16/95^d	Parent or primary caregiver of children aged 2.9–5 years	Interviewer-administered questionnaire
5. Childcare Arrangements—Childcare setting, birth to 5 years	NICHD Study of Early Child Care and Youth Development, Phase 1, 1991–1995 [United States]^e	Children aged birth to 5 years	Interviewer-administered questionnaire
6. Child’s Lifetime Household Composition	Avon Longitudinal Study of Parents and Children—Mother and Home (Section C)^f	Child’s mother or person taking the role of the mother	Self-administered questionnaire
7. Household Chaos and Unpredictability	Confusion, Hubbub, and Order Scale (CHAOS)^g	Mothers of infants and toddlers	Self-administered questionnaire
8. Interviewer-Administered Pediatric Psychiatric Assessment	Diagnostic Infant and Preschool Assessment (DIPA)^h	Caregivers of children aged 1–6 years	Interviewer-administered questionnaire
9. Neonatal Abstinence Syndrome (NAS) and Neonatal Opioid Withdrawal Syndrome (NOWS)	Finnegan Neonatal Abstinence Scoring Tool (FNAST) 2019 Final^i,j	Hospitalized full-term newborns	Clinical Examination
10. Parenting Behavior—Child	Alabama Parenting Questionnaire (APQ) Child Form^k	Children aged 6–18 years	Self-administered questionnaire
11. Parenting Behavior—Parent	Alabama Parenting Questionnaire (APQ) Parent Form^k	Parents of children aged 6–18 years	Self-administered questionnaire
12. Peer Relationships—Proxy Report	Patient-Reported Outcomes Measurement Information System (PROMIS^©) Parent Proxy Item Bank v2.0—Peer Relationships^l	Parents serving as proxy reporters for their child (youth aged 5–17 years)	Self-administered questionnaire
13. Peer Relationships—Self Report	PROMIS^© Pediatric Item Bank v2.0—Peer Relationships^l	Children aged 8–17 years	Self-administered questionnaire
14. Psychological Resilience—Child	The Child and Youth Resilience Measure (CYRM) Child Version^m	Children aged 5–9 years old	Interviewer-administered questionnaire
15. Emotional and Behavioral Symptoms of Children—Ages 1.5–5	Child Behavior Checklist for Ages 1.5–5 (CBCL/1.5–5)ⁿ	• Parent, Caregiver or Teacher of Children aged 1.5–5 years; • Supplemental Language Survey Development section aged for 18–35 months	Proxy-administered questionnaire
16. Emotional and Behavioral Symptoms of Children—Ages 6–18 (School age)	Child Behavior Checklist for Ages 6–18 (CBCL/6–18)ⁿ	• Parent or surrogate of child aged 6–18 years; • Teacher of child aged 6–18 years; • Youth self-report for child aged 11–18 years	Self- or proxy-administered questionnaire
17. Emotional and Behavioral Symptoms of Parents/Caregivers	Achenbach System of Empirically Based Assessment (ASEBA)—Adult Self Report (ASR) and Adult Behavior Checklist (ABCL)^o	18–59 years old	Self- or proxy-administered questionnaire
18. Quality of the Child’s Home Environment	Home Observation for Measurement of the Environment (HOME)–Revised Edition; National Longitudinal Study of Youth Children & Young Adults^p	Parents of infants and young children	Interviewer-administered questionnaire
Supplemental Information
PhenX protocol name	Protocol source	Participant*	Mode of Administration
1. Child’s Living Environment	ALSPAC—The Avon Longitudinal Study of Parents and Children. I. Study Methodology^f	Child’s mother or person taking the role of the mother	Self-administered questionnaire
2. Youth Alcohol Screener	Alcohol Screening and Brief Intervention for Youth, A Practitioner’s Guide^q	Children aged 9–18	Interviewer-administered questionnaire