LifeCourse A Melbourne Children's Research Initiative

ELVS: Peer relationships

Relevant LifeCourse Constructs	Year	2003-2004	2003-2004	2004-2005	2005-2006	2006-2007	2007-2008	2008-2009	2009-2010	2011-2012	2013-2014	2015-2017	2020-2024	2020-Ongoing	2021-Ongoing
	Wave	1	2	3	4	5	6	7	8	9	10	11	Re-recruitment Phase	Year 11 Follow-up	Year 12 Follow-up
	Age	8 months	12 months	24 months	3 years	4 years	5 years	6 years	7 years	9 years	11 years	13 years	17 - 18 years	17 - 19 years	18 - 20 years
	N	1910	1759	1741	1647	1623	1002	1047	1189	1166	871	858	577	in progress	in progress
Peer relationship							P:SDQ ^I	P:SDQ ^I	P:SDQ ^I P:CCC-2 ^I	P:SDQ ^I T:SDQ ^I T:CCC-2 ^I	P:SDQ ^I P:CCC-2 ^I	P:SDQ ^I P:ELVS-Pe ^I P:CCC-2 ^I S:SDQ ^I S:IPPA ^I T:SDQ ^I T:ELVS-Pe ^I T:CCC-2 ^I	P:SDQ ^I P:ELVS-Pe ^I P:CCC-2 ^I S:SDQ ^I S:IPPA ^I T:SDQ ^I T:ELVS-Pe ^I T:CCC-2 ^I		P:SDQ ^I S:SDQ ^I
Victim of bullying												S:ELVS-B ^I ¹	S:ELVS-B ^I ¹

Featured measurements

CCC-2: : Children’s Communication Checklist - Second Edition
ELVS-B: : ELVS devised - Bullying measure
ELVS-Pe: : ELVS devised - Peer relationshiphip measure
IPPA: : Inventory of Parent and Peer Attachment
SDQ: : Strengths and Difficulties Questionnaire

Notes

Only administered to stuttering sub-cohort

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.