LifeCourse A Melbourne Children's Research Initiative

CATS: Demographics

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
Country of birth			P:SV-CoB ^P P:SV-CoB ^I	P:SV-CoB ^P	P:SV-CoB ^P	P:SV-CoB ^P
Current education									S:DET ^I S:CATS ^I	S:DET ^I S:CATS ^I	S:DET ^I S:CATS ^I S:LSAY ^I S:CASPE-A ^I P:CASPE-A ^I P:CRISIS-BG ^I S:CRISIS-BG ^I	S:CATS ^I S:DET ^I S:CATS ^I S:LSAY ^I	S:LSAY ^I	S:LSAY ^I S:CASPE ^I
Date of birth			P:SV-DoB ^P P:SV-DoB ^I	P:SV-DoB ^P	P:SV-DoB ^P	P:SV-DoB ^P	P:CATS ^P				P:SV-DoB ^P S:SV-DoB ^I
Employment status			P:SV-ES ^P	P:SV-ES ^P						S:LSAY ^I S:SV-ES ^I	S:LSAY ^I P:ABS ^P P:HILDA ^P S:LSAY ^I P:HILDA ^P	S:LSAY ^I S:LSAY ^I	S:IYDS ^I S:LSAY ^I
Ethnic group			P:SV-E ^P	P:SV-E ^P	P:SV-E ^P	P:SV-E ^P					P:SV-E ^P
Financial circumstances			P:CATS ^P	P:CATS ^P	P:CATS ^P	P:CATS ^P					P:CATS ^P P:HILDA ^P	S:CATS ^I ¹	S:VAHCS ^I	S:VAHCS ^I
Gender identity			P:CATS ^I	P:CATS ^I	P:CATS ^I			S:CATS ^I	S:CATS ^I S:CATS ^I	S:CATS ^I S:CATS ^I	S:Trans20 ^I			S:CATS ^I
Household composition			P:SV-HC ^I P:SV-HC ^I	P:SV-HC ^I P:SV-HC ^I	P:SV-HC ^I P:SV-HC ^I	P:SV-HC ^I P:SV-HC ^I S:SV-HC ^I					P:CASPE-A ^I P:SV-HC ^I S:CASPE-A ^I P:CASPE-A ^I P:CRISIS-BG ^I S:CRISIS-BG ^I	P:SV-HC ^I	S:CATS ^I	S:CASPE ^I
Housing history													S:IYDS ^I	S:IYDS ^I
Income			P:SV-I ^P	P:SV-I ^P	P:SV-I ^P	P:SV-I ^P					P:SV-I ^P		S:IYDS ^I
Language spoken			P:SV-LS ^I	P:SV-LS ^I	P:SV-LS ^I	P:SV-LS ^I	P:SV-LS ^I	P:SV-LS ^I	S:SV-LS ^I	S:SV-LS ^I	S:SV-LS ^I
Level of educational attainment			P:SV-EA ^P P:SV-EA ^P	P:SV-EA ^P	P:SV-EA ^P	P:SV-EA ^P					P:SV-EA ^P P:SV-EA ^P
Marital or partnership status			P:SV-MS ^P	P:SV-MS ^P	P:SV-MS ^P	P:SV-MS ^P	P:SV-MS ^P	P:SV-MS ^P			P:SV-MS ^P
Residential locality			L:ABS-SEIFA ^I L:ABS-SEIFA ^P	L:ABS-SEIFA ^I L:ABS-SEIFA ^P	L:ABS-SEIFA ^I L:ABS-SEIFA ^P	P:ABS-SEIFA ^P S:ABS-SEIFA ^I
Sexual orientation									S:CATS ^I	S:CATS ^I	S:CATS ^I			S:CATS ^I

Featured measurements

ABS-SEIFA: : Australian Bureau of Statistics Devised - Socio-Economic Indexes for Areas
ABS: : Australian Bureau of Statistics-devised
CATS: : Child to Adult Transition Study-devised measure
CRISIS-BG: : CoRonavIruS Health Impact Survey - Background
CASPE: : COVID-19 Adolescent Symptom and Psychological Experience Questionnaire
CASPE-A: : COVID-19 Adolescent Symptom and Psychological Experience Questionnaire: Module A - Experience Related to COVID-19
HILDA: : Household, Income and Labour Dynamics in Australia (HILDA) Survey-devised measure
IYDS: : International Youth Development Study-devised measure
LSAY: : Longitudinal Survey of Australian Youth-devised measure
SV-CoB: : Study Version - Country of Birth indicator
SV-DoB: : Study Version - Date of Birth indicator
SV-EA: : Study Version - Educational Attainment measure
SV-ES: : Study Version - Employment Status measure
SV-E: : Study Version - Ethnicity measure
SV-HC: : Study Version - Household Composition measure
SV-I: : Study Version - Income indicator
SV-LS: : Study Version - Language Spoken measure
SV-MS: : Study Version - Marital Status indicator
Trans20: : Trans20-devised measure
VAHCS: : Victorian Adolescent Health Cohort Study-devised measure
DET: : Victorian Department of Education-devised measure

Notes

Items adapted from the COVID-19 Adolescent Symptom and Psychological Experience Questionnaire

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.