Year 2012 2012 2012 – 2013 2013 2014
Wave W1 N/A W2 W3 W4
Time point Baseline/screening Intervention 6 months 12 months 24 months
Group Whole cohort RCT RCT RCT Whole cohort
# 1802 452 Whole cohort: 1269 (RCT: 397)
Academic competence T:ARS O:WRAT4 C
T:ARS (RCT only)
Education level/completion P:SDV P:SDV P:SDV
School functioning 1 P:PedsQL-4.0 P:PedsQL-4.0
S:PedsQL-4.0 C
S:PedsQL-4.0 C
S:PedsQL-4.0 C
Educational support services 2 P:SDV P:SDV P:SDV (RCT only)
School demographics O:SDV O:SDV O:SDV

Featured measurements

ARS: Academic Rating Scale
PedsQL-4.0: Pediatric Quality of Life Inventory – 4.0 Generic Core Scales
SDV: Study Devised Variable
WRAT4: Wide Range Achievement Test 4


1 Age appropriate (5-7y or 8-12y) PedsQL versions were used.
2 This includes any special help at school such as integration aide, special education group etc. or purchasing any resources such as toys, books, computer software or using early learning or tutor (outside school) for concerns about child’s learning or development.


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)