IYDS: Demographics

Relevant LifeCourse Constructs Year 2002 2003 2004 2006 2007 2008 2010 2012 2014
Wave 1 2 3 4 5 6 F1 F2 F3
Age 9-16 years 11-17 years 11-16 years 14-16 years 15-17 years 16-18 years 17-24 years 20-26 years 22-28 years
N 2884 2884 1909 927 927 926 2872 2871 2870
Benefits and pensions P:SV-GB P
Country of birth P:SV-CoB P P:SV-CoB I
Current education S:IYDS I S:IYDS I S:IYDS I S:IYDS I S:IYDS I S:IYDS I S:IYDS I S:IYDS I
Date of birth S:SV-DoB I P:SV-DoB P P:SV-DoB I
Employment status P:SV-ES P P:SV-ES IP S:MTF I S:MTF I S:MTF I S:MTF I S:IYDS I S:IYDS I
Ethnic group S:SV-E I P:SV-E P
Financial circumstances S:IYDS-LE I S:ATP I S:IYDS-LE I S:ATP I S:IYDS-LE I
Gender identity S:IYDS I S:IYDS I S:IYDS I S:IYDS I S:IYDS I S:IYDS I S:IYDS I S:IYDS I
Household composition P:SV-HC P 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
Housing ownership and tenure P:IYDS P S:IYDS-LE I S:IYDS I S:IYDS-LE I S:IYDS I S:IYDS-LE I
Income P:SV-I Fam S:ATP I S:ATP I
Language spoken P:SV-LS P
Level of educational attainment S:SV-EA M S:SV-EA F P:SV-EA P S:SV-EA I
Marital or partnership status P:SV-MS P S:RHCS-R I S:RHCS-R I
Moving to new residence S:SSDP-TMS I S:SSDP-TMS I S:SSDP-TMS I S:SSDP-TMS I S:SSDP-TMS I S:SSDP-TMS I S:SSDP-TMS I S:SSDP-TMS I
Number of changes of school S:SSDP-TMS I S:SSDP-TMS I S:SSDP-TMS I S:SSDP-TMS I S:SSDP-TMS I S:SSDP-TMS I S:SSDP-TMS I S:SSDP-TMS I
Number of dependant children P:IYDS P S:ATP I S:ATP I
Number of siblings P:SV-SI P
Occupation S:ABS I S:ABS I
Respondent information P:SV-RI I S:SV-RI I P:SV-RI P S:SV-RI I

Featured measurements

Legend

B
= Biosample collected
BA
= Biosample analysis
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.