LifeCourse A Melbourne Children's Research Initiative

VicCHILD: Demographics

Relevant LifeCourse Constructs	Year	2011-Ongoing	2012-Ongoing	2014-Ongoing	2012-Ongoing	2020	2021
	Phase	Enrolment	2 year old follow-up	5-7 year old follow-up	9-12 year old follow-up	COVID-19 Survey	COVID-19 Follow-Up Survey
	Age	3 months - 8 years	20-30 months	5-8 years	9-12 years	3 months - 18 years	1-18 years
	N	1200	405	368	160	493	362
Benefits and pensions			P:SV-GB ^P		P:SV-GB ^Fam	P:SV-GB ^Fam
Biological sex			P:SV-BS ^I P:SV-BS ^P P:SV-BS ^IP L:VBDR ^I	P:SV-BS ^P P:SV-BS ^IP	P:SV-BS ^P P:SV-BS ^IP	P:SV-BS ^P P:SV-BS ^IP	P:SV-BS ^P	P:SV-BS ^P
Country of birth			P:SV-CoB ^P P:SV-CoB ^IP
Current education					P:VCh ^I	P:VCh ^I	P:VCh ^I P:CRISIS-BG ^P	P:VCh ^I P:CRISIS-BG ^P
Date of birth			P:SV-DoB ^I P:SV-DoB ^P L:VPDC ^I
Employment status			P:SV-ES ^Fam		P:SV-ES ^Fam	P:SV-ES ^Fam
Financial circumstances			P:VCh ^Fam
Household composition			P:SV-HC ^I P:SV-HC ^P				P:CRISIS-BG ^P	P:CRISIS-BG ^P
Income			P:SV-I ^Fam		P:SV-I ^Fam	P:SV-I ^Fam
Language spoken			P:SV-LS ^I		P:SV-LS ^Fam	P:SV-LS ^Fam
Level of educational attainment			P:SV-EA ^P P:SV-EA ^IP		P:SV-EA ^I	P:SV-EA ^I
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
Number of siblings			P:SV-SI ^I
Occupation			P:VCh ^P P:VCh ^IP
Place in order of siblings			P:VCh-BI ^I
Residential locality			L:VPDC ^I P:SV-P ^I		P:SV-P ^I	P:SV-P ^I
Respondent information			P:SV-RI ^I P:SV-RI ^P P:SV-RI ^IP	P:SV-RI ^P P:SV-RI ^IP	P:SV-RI ^P P:SV-RI ^I	P:SV-RI ^P P:SV-RI ^I	P:SV-RI ^I	P:SV-RI ^I

Featured measurements

CRISIS-BG: : CoRonavIruS Health Impact Survey - Background
SV-BS: : Study Version - Biological Sex Indicator
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-GB: : Study Version - Government Benefits indicator
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
SV-P: : Study Version - Postcode indicator
SV-RI: : Study Version - Respondent Information measure
SV-SI: : Study Version - Siblings Information measure
VCh-BI: : VicCHILD devised - Birth Information Item set
VBDR: : Victorian Birth Defects Register
VCh: : Victorian Childhood Hearing Impairment Longitudinal Databank-devised measure
VPDC: : Victorian Perinatal Data Collection

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.