LifeCourse A Melbourne Children's Research Initiative

MYPS: Demographics

Relevant LifeCourse Constructs	Year	2003-2005	2003-2005	2003-2006	2004-2007	2004-2007	2004-2007	2004-2006	2005-2008	2005-0	2006-0	2008-2011	2013-0	2013-0	2020-Ongoing
	Wave	1	2	2a	3	4	5	6	7	8/11/13	9/12/14	10	15	15a	15b
	Age	10-20 weeks gestation	30-32 weeks gestation	Birth records abstraction	3 months postpartum	6 months postpartum	9 months postpartum	12 months postpartum	18 months postpartum	6 months postpartum (2nd/3rd/4th)	12 months postpartum (2nd/3rd/4th)	4 years postpartum	10 years postpartum	10 years postpartum	14 years postpartum
	N	1507	1454	1454	1431	1400	1387	1357	1327	840 (second child) 214 (third child) 29 (fourth child)	840 (second child) 222 (third child) 32 (fourth child)	1102	952 mother (questionnaire completed)	615 mother-child pairs (site assessment)	1143 mother 1142 young people
Benefits and pensions						S:SV-GB ^I	S:SV-GB ^I		S:SV-GB ^I	S:SV-GB ^I	S:SV-GB ^I	S:SV-GB ^I	S:SV-GB ^I	S:SV-GB ^I
Biological sex					R:B-R ^O	S:SV-BS ^O					S:SV-BS ^Si			S:SV-BS ^Si S:SV-BS ^O
Country of birth			S:SV-CoB ^I		R:B-R ^I
Current education			S:MYPS ^I				S:MYPS ^I	S:MYPS ^I	S:MYPS ^I	S:MYPS ^I	S:MYPS ^I	S:MYPS ^I	S:MYPS ^I	S:MYPS ^I		S:MYPS-COVID ^I S:MYPS-COVID ^O Of:MYPS-COVID ^O
Date of birth			S:SV-DoB ^I		R:B-R ^I R:B-R ^O	S:SV-DoB ^O				S:MYPS ^Si	S:MYPS ^Si	S:SV-DoB ^Si	S:SV-DoB ^Si	S:SV-DoB ^Si S:SV-DoB ^O		S:SV-DoB ^O
Employment status			S:SV-ES ^I			S:SV-ES ^I	S:SV-ES ^I	S:SV-ES ^I	S:SV-ES ^I	S:SV-ES ^I	S:SV-ES ^I	S:SV-ES ^I	S:SV-ES ^I S:SV-ES ^F	S:SV-ES ^I S:SV-ES ^F		S:SV-ES ^I S:SV-ES ^I
Ethnic group			S:SV-E ^I
Financial circumstances																S:MYPS ^I
Gender identity																Of:MYPS ^O
Household composition						S:SV-HC ^I	S:SV-HC ^I	S:SV-HC ^I	S:SV-HC ^I	S:SV-HC ^I	S:SV-HC ^I	S:SV-HC ^I	S:SV-HC ^I	S:SV-HC ^I		S:MYPS ^I S:SV-HC ^I S:MYPS-COVID ^I S:MYPS-COVID ^O Of:SV-HC ^O Of:MYPS-COVID ^O
Housing ownership and tenure																S:MYPS ^I
Income			S:SV-I ^I			S:SV-I ^I	S:SV-I ^I			S:SV-I ^I		S:SV-I ^I	S:SV-I ^I	S:SV-I ^I		S:SV-I ^I
Language spoken			S:SV-LS ^I
Marital or partnership status			S:SV-MS ^I			S:SV-MS ^I	S:SV-MS ^I		S:SV-MS ^I	S:SV-MS ^I	S:SV-MS ^I	S:SV-MS ^I	S:SV-MS ^I	S:SV-MS ^I		S:SV-MS ^I
Number of dependant children											S:MYPS ^I	S:MYPS ^I	S:MYPS ^I	S:MYPS ^I
Number of offspring																S:MYPS ^I
Private health insurance						S:MYPS ^I					S:MYPS ^I
Residential locality																S:MYPS ^I Of:MYPS ^O S:SV-P ^I

Featured measurements

B-R: : Birth Records
MYPS: : Mothers' and Young People's Study-devised measure
MYPS-COVID: : MYPS devised - COVID Experience measure
SV-BS: : Study Version - Biological Sex Indicator
SV-CoB: : Study Version - Country of Birth indicator
SV-DoB: : Study Version - Date of Birth indicator
SV-ES: : Study Version - Employment Status measure
SV-E: : Study Version - Ethnicity 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

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.