LifeCourse A Melbourne Children's Research Initiative

PETS: Hearing

Relevant LifeCourse Constructs	Year	2007-2009	2007-2009	2007-2009	2007-2009	2008-2011	2014-2016	2018-2023
	Wave	1	2	3	4	5	6	7
	Age	12 weeks gestation	13-24 weeks gestation	25 weeks to Birth	Birth	18 months	6 years	11 years
	N	250 pairs	250 pairs	250 pairs	250 pairs	250 pairs	224 pairs	114 pairs
Ear infection								P:PETS ^I	P:PETS ^I
Hearing problem							P:PETS ^I	P:PETS ^I	P:PETS ^I

Featured measurements

PETS: : The Peri/Post-natal Epigenetic Twins Study-devised

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.