LifeCourse A Melbourne Children's Research Initiative

CATS: Peer relationships

Relevant LifeCourse Constructs	Year	2012	2013	2014	2015	2016	2017	2018	2019	2020	2021	2022	2023
	Wave	1	2	3	4	5	6	7	8	9	10	11	12
	Age	8-9 years	9-10 years	10-11 years	11-12 years	12-13 years	13-14 years	14-15 years	15-16 years	16-17 years	17-18 years	18-19 years	19-20 years
	N	Total: 1194 Substudy: 128	1158	1119	1068	Total: 996 Substudy: 110	1001	900	856	848	833	832	879
Bullying			S:LEAPQ ^I ¹	S:LEAPQ ^I ¹	S:ACMA ^I S:LEAPQ ^I ¹	S:LEAPQ ^I ¹	S:LEAPQ ^I ¹	S:LEAPQ ^I ¹				S:LEAPQ ^I ¹		S:CATS ^I S:SNAQ ^I
Peer relationship			S:MCS ^I S:MCS ^I P:SDQ ^I	S:MCS ^I P:SDQ ^I	S:MCS ^I P:SDQ ^I	S:MCS ^I P:SDQ ^I	S:MCS ^I P:SDQ ^I	S:MCS ^I S:CATS ^I P:SDQ ^I	S:MCS ^I S:GEAS ^I ² S:MCS ^I S:CATS ^I	S:MCS ^I S:GEAS ^I ² S:MCS ^I S:CATS ^I	S:MCS ^I S:GEAS ^I ² S:MCS ^I S:CATS ^I P:CRISIS-LC ^I P:CRISIS-LC ^P S:CRISIS-LC ^I	S:MCS ^I S:GEAS ^I ² S:MCS ^I S:CATS ^I		S:MSPSS ^I
Victim of bullying			S:LEAPQ ^I ¹ S:GBS ^I	S:LEAPQ ^I ¹ S:GBS ^I	S:LEAPQ ^I ¹ S:GBS ^I	S:LEAPQ ^I ¹ S:GBS ^I S:ACMA ^I	S:LEAPQ ^I ¹ S:GBS ^I S:ACMA ^I	S:LEAPQ ^I ¹ S:GBS ^I S:ACMA ^I	S:ACMA ^I S:GBS ^I S:ACMA ^I S:ACMA ^I	S:ACMA ^I S:GBS ^I S:ACMA ^I S:ACMA ^I	P:HACS-SE ^P ³ P:HACS-SE ^I S:HACS-SE ^I S:ACMA ^I S:ACMA ^I S:GBS ^I S:ACMA ^I S:ACMA ^I	S:HACS-SE ^I ³ S:LEAPQ ^I ¹ S:GBS ^I S:ACMA ^I S:ACMA ^I

Featured measurements

ACMA: : Australian Communications and Media Authority - Use of Online Social Media
CATS: : Child to Adult Transition Study-devised measure
CRISIS-LC: : CoRonavIruS Health Impact Survey - Life Changes
GBS: : Gatehouse Bullying Scale
GEAS: : Global Early Adolescent Study-devised measure
HACS-SE: : Home Adjustment to COVID-19 Scale - School and Education
LEAPQ: : Lodz Electronic Aggression Prevalence Questionnaire
MCS: : Millenium Cohort Study-devised measure
MSPSS: : Multidimensional Scale of Perceived Social Support
SNAQ: : Short Negative Acts Questionnaire
SDQ: : Strengths and Difficulties Questionnaire

Notes

Items adapted from a combination of items from Lodz Electronic Aggression Questionnaire (LEAPQ) scale, and the Longitudinal Study of Australian Children

Perceived Peer Norms subscale used

Items adapted from Home Adjustment to COVID-19 Scale (HACS), COVID-19 Adolescent Symptom & Psychological Experience Questionnaire (CASPE) and study-devised items

Legend

B: = Biosample collected
BA: = Biosample analysis
G: = Grandparent(s) completed questionnaire
L: = Data linkage
N: = Nurse completed questionnaire
O: = Observation or direct assessment
Of: = Offspring completed questionnaire
P: = Parent/guardian completed questionnaire
Pe: = Peer completed questionnaire
R: = Records abstraction
S: = Self (primary participant) completed questionnaire
T: = Teacher completed questionnaire
X: = Other source
X ^F: = Pertains to father
X ^Fam: = Pertains to family
X ^G: = Pertains to grandparent(s)
X ^I: = Pertains to primary participant
X ^IP: = Pertains to partner
X ^M: = Pertains to mother
X ^O: = Pertains to offspring
X ^P: = Pertains to parent/guardian(s)
X ^Pe: = Pertains to peers
X ^Si: = Pertains to sibling(s)
X ^T: = Pertains to teacher(s)
X ^X: = Pertains to other reportees

Metadata presented by LifeCourse provides a crucial first step in understanding the available data across studies. It does not take the place of detailed study documentation, which should always be consulted during design and analysis.