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VITORATOU, S., Garcia-Rosales,
A., Banaschewski, T., Sonuga-Barke, E., Buitelaar, J., Oades,
R. D., Rothenberger, A., Steinhausen, H-C., Taylor, E.,
Faraone, S. V., Chen, W. Is the
endorsement of the attention deficit hyperactivity disorder symptom
criteria ratings influenced by informant assessment, gender, age and
co-occurring disorders? A measurement invariance study. International
Journal of Methods in Psychiatric Research.
DOI: 10.1002/mpr.1794
Abstract
This study aimed to ascertain whether the differences of prevalence
and severity of attention deficit hyperactivity disorder (ADHD) are
true or whether children are perceived and rated differently by parent
and teacher informant assessments (INFAs)
according to gender, age and co-occurring disorders, even at equal
levels of latent ADHD traits.
0/ Use of latent trait models (for binary
responses) to evaluate measurement invariance in children with ADHD
and their siblings from the International Multicenter ADHD Gene data.
1/ Substantial measurement non-invariance
between parent and teacher INFAs was detected for seven out of nine
inattention (IA)
and six out of nine hyperactivity/impulsivity (HI)
items;
2/ the correlations between parent and
teacher INFAs for six IA and four HI items were not significantly different
from zero, which suggests that parent and teacher INFAs
are essentially rating different kinds of behaviours expressed in different
settings, instead of measurement bias.
3/ However, age and gender
did not affect substantially the endorsement probability of either IA
or HI symptom criteria, regardless of INFA.
4/ For co-occurring disorders,
teacher INFA ratings were largely unaffected by
co-morbidity; conversely, parental endorsement
of HI symptoms is substantially influenced by co-occurring oppositional
defiant disorder.
Our findings suggest general robustness of Diagnostic and Statistical
Manual of Mental Disorders ADHD diagnostic items in relation to age
and gender. -- Further research on classroom presentations is needed..
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