LifeCourse A Melbourne Children's Research Initiative

AQUA: Speech and language

Relevant LifeCourse Constructs	Year	2011-2012	2011-2012	2011-2012	2011-2012	2013-2014	2014-2015	2018-Ongoing
	Wave	1	2	3	4a	4	5	AQUA@6
	Age	19 weeks gestation	26 weeks gestation	36 weeks gestation	Birth	12 months	2 years	6-7 years
	N	2146	1715	1571	1401	1296	1038	In progress
Communication skills									P:SCQ ^I L:AEDC ^I
Comprehension									O:WIAT-III ^I O:WISC-V ^I O:WIAT-III ^I
Language									O:WIAT-III ^I O:WIAT-III ^I
Language development								O:Bayley-III ^I
Social skills									P:SCQ ^I L:AEDC ^I
Vocabulary									O:WIAT-III ^I O:WISC-V ^I O:WIAT-III ^I

Featured measurements

AEDC: : Australian Early Development Census
Bayley-III: : Bayley Scales of Infant and Toddler Development, Third Edition
SCQ: : Social Communication Questionnaire
WIAT-III: : Wechsler Individual Achievement Test, Third Edition
WISC-V: : Wechsler Intelligence Scale for Children: Fifth edition

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.