Year ≥ 2011 ≥ 2012 ≥ 2014 ≥ 2020
Wave 1 – Enrolment 2 – Assessment (researcher home visit)
plus 5-7 year questionnaires (see Wave 1 for content)
3 – Assessment (researcher home visit)
plus 9-12 year questionnaires (see Wave 1 for content)
Supplementary COVID wave
Age 1-12 months 13-24 months 2-4 years 5-7 years 8-12 years Enrolment supplement (from 13 months) 5-7 years 9-12 years 3 mths-17 years
Hearing impairment  P:SDVC Si  P:SDV  P:SDV  P:SDV  P:SDV  P:SDV C Si  P:AQoL-4D P P:AQoL-4D P
Hearing aid P:SDV P:SDV  P:SDV  P:SDV P:SDV P:SDV
Cochlear implant P:SDV P:SDV  P:SDV  P:SDV  P:SDV P:SDV
Hearing device use P:SDV
Family history of hearing loss or
associated syndromes
P:SDV Fam P:SDV Fam
Functional listening P:CHILD
O:LiSN-S
P:PEACH
P:PEACH
Burden of illness     P:CRISIS

 

Featured measurements

AQoL-4D: Assessment of Quality of Life – 4D
CHILD: Children's Home Inventory for Listening Difficulties
CRISIS: CoRonavIruS Health Impact Survey (various instruments)
LiSN-S: Listening in Spatialized Noise – Sentences test
PEACH: Parents' Evaluation of Aural/oral performance of CHildren
SDV: Study Devised Variable

Legend

A = Administration report abstraction
C = Index child report (reporting on others)
L = Linkage (to other databases)
M = Medical records data abstraction
O = Observation/direct assessment
N = Nurse report
P = Parent/primary caregiver report
Pe = Peer report
S = Self report
T = Teacher report
X = Undefined
X BF = Pertaining to biological father
X BM = Pertaining to biological mother
C = Pertaining to index child
X F = Pertaining to father
X Fam = Pertaining to family
X G = Pertaining to grandparent(s)
X M = Pertaining to mother
X P = Pertaining to parent(s)
X Pa = Pertaining to partner
X Pe = Pertaining to peers
X Pr = Pertaining to primary caregiver
X Si = Pertaining to sibling(s)