LifeCourse A Melbourne Children's Research Initiative

BIS: Biosamples

Relevant LifeCourse Constructs	Year	2010-2013	2010-2013	2010-2013	2010-2014	2011-2014	2011-2014	2011-2014	2011-2014	2012-2014	2012-2015	2014-2016	2020-Ongoing
	Wave	1	2	3	4	5	6	7	8	9	10	11	12
	Age	1st and 2nd trimester	3rd trimester	Birth/perinatal	4 weeks	3 months	6 months	9 months	12 months	18 months	2 years	4 years	7-9 years
	N	1158 mothers enrolled	1158 mothers enrolled	1074 eligible infants	984		927		894		823	909	In progress
Breast milk						B:BrM ^M Total: 297		B:BrM ^M Total: 34		B:BrM ^M Total: 34
Buccal													B:Buc ^I Total: 289	B:Buc ^I
Cord blood					B:Bl-Co ^I Total: 978
Dental plaque														B:DenP ^I
Faeces				B:Fae ^M Total: 944		B:Fae ^I Total: 939		B:Fae ^I Total: 880		B:Fae ^I Total: 707		B:Fae ^I Total: 589	B:Fae ^I Total: 209	B:Fae ^I B:Fae ^M
Hair						B:Hair ^M Total: 972 B:Hair ^I Total: 981			B:Hair ^I Total: 365			B:Hair ^I Total: 646
Meconium					B:Mec ^I Total: 1000
Nasal swab					B:NaS ^I Total: 269	B:NaS ^I Total: 289		B:NaS ^I Total: 381		B:NaS ^I Total: 544			B:NaS ^I Total: 293	B:NaS ^I
Placental tissue					B:Plac ^I Total: 1032
Saliva								B:Sal ^M B:Sal ^I		B:Sal ^I				B:Sal ^I
Umbilical cord					B:Cord ^I Total: 1020
Urine				B:Uri ^M Total: 942		B:Uri ^I Total: 905			B:Uri ^I	B:Uri ^I Total: 658		B:Uri ^I Total: 495	B:Uri ^I Total: 268	B:Uri ^M B:Uri ^I
Venous blood				B:Bl-V ^M Total: 1085				B:Bl-V ^I Total: 818		B:Bl-V ^I Total: 768			B:Bl-V ^I Total: 202	B:Bl-V ^I B:Bl-V ^M
Whole tooth														B:DecT ^I

Featured measurements

Bl-Co: : Blood, Cord sample
Bl-V: : Blood, Venous sample
BrM: : Breast milk sample
Buc: : Buccal sample
DecT: : Deciduous Teeth sample
DenP: : Dental plaque sample
Fae: : Faeces (stool) sample
Hair: : Hair sample
Mec: : Meconium sample
NaS: : Nasal swab sample
Plac: : Placenta sample
Sal: : Saliva sample
Cord: : Umbilical cord sample
Uri: : Urine sample

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.