Year 2011-2012 2011-2012 2011-2012 2013-2014 2014-2015 2018-2020
Wave 1 2 3 4a 4 5 6
Age 19 weeks gest 26 weeks gest 36 weeks gest birth 12 months 2 years 6-7 years
Social-emotional development P:BITSEA P:BITSEA
Sensory processing P:ITSP P:ITSP O:WISC-V
Motor skills – Gross O:Bayley-III
(n = 564)

Motor skills – Fine O:Bayley-III
(n = 564)
Language (receptive, expressive
(n = 564)
Cognition O:Bayley-III
(n = 564)
Special health care needs screener P:CSHCN P:CSHCN P:CSHCN
Executive Function P:BRIEF-2
Memory O:WMTB-C
Intelligence O:WISC-V
Attention O:TEA-Ch-2
Developmental Evaluation Screener P:SCQ

Featured measurements

ADHD-RS-V: ADHD Rating Scale-5
Bayley-III: Bayley Scales of Infant and Toddler Development – Third Edition
BITSEA: Brief Infant Toddler Social Emotional Assessment
BRIEF-2: Behavior Rating Inventory of Executive Function - Second Edition)
CNT: Contingency Naming Test
CSHCN: Children with Special Health Care Needs screener
CVLT-C: California Verbal Learning Test - Children's Version
DCDQ'07: Developmental Coordination Disorder Questionnaire 2007
ITSP: Infant/Toddler Sensory Profile
MABC-2: Movement Assessment Battery for Children - Second edition
SCQ: Social Communication Questionnaire
SDV: Study Devised Variable
TEA-Ch-2: Tests of Everyday Attention for Children - Second Edition
WISC-V: Wechsler Intelligence Scale for Children - Fifth edition
WMTB-C: Working Memory Test Battery for Children


A = Administration report abstraction
C = Index child report (reporting on others)
L = Linkage (to other databases)
M = Medical records data abstraction
O = Observation/direct assessment
N = Nurse report
P = Parent/primary caregiver report
Pe = Peer report
S = Self report
T = Teacher report
X = Undefined
X BF = Pertaining to biological father
X BM = Pertaining to biological mother
C = Pertaining to index child
X F = Pertaining to father
X Fam = Pertaining to family
X G = Pertaining to grandparent(s)
X M = Pertaining to mother
X P = Pertaining to parent(s)
X Pa = Pertaining to partner
X Pe = Pertaining to peers
X Pr = Pertaining to primary caregiver
X Si = Pertaining to sibling(s)