Trial phase Antenatal screening Antenatal Enrolment and Baseline Randomisation 6 w old follow-up 6 m old follow-up 1 y old follow-up 18 m old follow-up 2 y old follow-up End Phase 1 2.5 y old follow-up 3 y old follow-up 3.5 y old follow-up 4 y old follow-up 4.5 y old follow-up 5 y old follow-up 5.5 y old follow-up First year of school follow-up (5-6 y old) 6 y old follow-up *COVID-19 Supplement (6-7 y old) End Phase 2
Year 2013-2014 2013-2014 2013-2014 2013-2014 2013-2015 2014-2015 2014-2016 2015-2016 2015-2017 2016-2017 2016-2018 2017-2018 2017-2019 2018-2019 2018-2020 2019-2021 2019-2020 2020
Intimate/romantic relations S:LSAC 1
S:AQOL-8D
S:LSAC 1
S:AQOL-8D
S:LSAC 1 2
S:LSAC 1
S:AQOL-8D
S:LSAC 1
S:AQOL-8D
S:CAS
3
S:LSAC 1
S:AQOL-8D
S:CAS
3
S:LSAC 1
S:AQOL-8D
S:CAS
3
S:LSAC 1
S:AQOL-8D
S:CAS
3
S:LSAC 1 *
Domestic abuse S:FPS 4 P:HOME
O:HOME
S:FPS 4
S:FPS 2 4 P:HOME
O:HOME
S:FPS 4
S:CAS 3
S:FPS 4
S:CAS 3
S:FPS 4
S:CAS 3
S:FPS 4
S:CAS 3
S:FPS 4
Intimate partner abuse S:FPS 4 S:FPS 4 S:FPS 2 4 S:FPS 4 S:CAS 3
S:FPS 4
S:CAS 3
S:FPS 4
S:CAS 3
S:FPS 4
S:CAS 3
S:FPS 4
Parent-child relations P:SDV 5 P:HOME
O:HOME
P:SDV 5
O:SDV 6
P:SDV 5 P:HOME
O:HOME
P:SDV 5
O:SDV 6
P:SDV 5 P:SDV 5
P:CPRS
P:SDV 5 P:SDV 5
P:CPRS
P:SDV 5 P:SDV 5
P:CPRS
P:SDV 5 P:SDV 5
P:CPRS
P:SDV 5 *
Family relations S:AQOL-8D S:AQOL-8D S:AQOL-8D S:AQOL-8D S:AQOL-8D S:AQOL-8D S:AQOL-8D S:ATPG3
P:CRISIS 7
General relations S:AQOL-8D S:AQOL-8D S:AQOL-8D S:AQOL-8D S:AQOL-8D S:AQOL-8D
P:SSIS 8
P:SSIS 2 8 T:SSIS 8 S:AQOL-8D
P:SSIS 8
S:ATPG3
Peer relations/problems P:SDQ Si P:SDQ Si P:SDQ Si P:SDQ
P:PedsQL-4.0
P:SDQ
P:PedsQL-4.0
P:SDQ
P:PedsQL-4.0
P:SDQ 2
P:PedsQL-4.0 2
P:SDQ
P:PedsQL-4.0
P:SSIS 8
P:SDQ 2
P:PedsQL-4.0 2
P:SSIS 2 8
T:SDQ
T:SSIS
8
P:SDQ
P:PedsQL-4.0
P:SSIS 8
P:CRISIS 7
Student-teacher relations T:LSAC

Featured measurements

AQoL-8D: Assessment of Quality of Life - 8D
ATPG3: Australian Temperament Project Generation 3 derived
CAS: Composite Abuse Scale
CPRS: Child-Parent Relationship Scale
CRISIS: CoRonavIruS Health Impact Survey (various instruments)
FPS: Family Psychosocial Screening derived
HOME: Home Observation for the Measurement of the Environment
LSAC: Longitudinal Study of Australian Children derived
PedsQL-4.0: Pediatric Quality of Life Inventory – 4.0 Generic Core Scales
SDQ: Strengths and Difficulties Questionnaire
SDV: Study Devised Variable
SRH: Self-Rated Health
SSIS: Social Skills Improvement System

Notes

1 Single item about degree of happiness in relationship with partner
2 Completed at half year phone interview if not completed at previous face-to-face visit
3 The Emotional Abuse Subscale from the Composite Abuse scale was used
4 8 items from the Family Psychosocial Screening questionnaire were used
5 Single item about parent’s rating of relationship with child, with response options aligned with those used in the Self-Rated Health measure
6 5 minute videos of unstructured play were analysed to measure maternal-child interactions (maternal responsive behaviours). Technique adapted from: Levickis, P., Reilly, S., Girolametto, L., Ukoumunne, O.C. and Wake, M. (2014). Maternal behaviors promoting language acquisition in slow-to-talk toddlers: prospective community-based study. J Dev Behav Pediatr, 35(4): 274-81. doi:10.1097/DBP.0000000000000056
7 Questions adapted from CRISIS Adult Self-Report and Parent / Caregiver, with adaptations shared with ATPG3
8 The social skills composite only was used, which comprises of 7 subscales; communication, cooperation, assertion, responsibility, empathy, engagement, and self-control
* Only asked as part of COVID-19 supplement if completed separately from regular assessments

Legend

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)