Diagnostic Interview Schedule for Children, Child Self-Report
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Abstract
The NIMH Diagnostic Interview Schedule for Children is a
highly structured interview designed to assess DSM-IV psychiatric
disorders and symptoms in children and adolescents aged 6 to 17
years. The DISC was designed to be given by lay interviewers for
epidemiological research. It has a parent and a child version, both
of which ask about the child's psychiatric symptoms. The interview
was administered using a laptop computer (Computerized DISC, or
CDISC). The DISC items are organized by diagnosis. The students
are asked if they had specific symptoms during the past year, and
answer follow-up questions in case of positive endorsement. The
DISC generates symptoms counts and diagnoses. The diagnoses covered
as part of the Fast Track data collection were: simple and social
phobia, separation anxiety, panic disorder, conduct disorder, oppositional
defiant disorder, attention deficit/hyperactivity disorder, anorexia
nervosa, bulimia, enuresis, encopresis, tic disorders, major depression,
dysthymia, mania, hypomania and substance abuse /dependence. The
responses to most of the DISC questions are coded as No (0), Yes
(1), Not Applicable (8), or Don't know (9). They were then recoded
so that both Not applicable and Don't know responses were rescored
as No's.
The scoring procedures to create scales for the Fast Track data
were mostly derived from the work of the DISC group at Columbia
University (overseen by David Shaffer, M.D. Prudence Fisher, M.S.
and John Piacentini, Ph.D). The variables names were changed to
match Fast Track format, and some changes were made to the programming
so that diagnosis scores would more closely match DSM criteria,
or to limit missing data. Three types of summary scores were created
from the DISC items, diagnosis, diagnosis + impairment and criterion
count scores. Diagnosis variables are scored 1=meet diagnosis criteria,
0=does not meet the diagnosis criteria. Diagnosis + impairment variables
are scored 1=subject has disorder and it caused some type of impairment
in his/her life. 0=either did not meet the criteria, or met the
criteria but had not impairment to his/her life. Finally, a criterion
(or symptom) count variable is created that indicates the number
of diagnostic criteria a subject met for a given disorder.
It is recommended that the analyst uses either the diagnosis variables
in a categorical-type analyses or symptom counts for more continuous
type analyses. There have been numerous studies using the CDISC
that the analyst can refer to for comparison of results and method
used.
Keywords: Anxiety, Mood, Conduct Disorder, Disruptive Behavior,
Obsessive Compulsive, Oppositional Defiant, Panic, Separation Anxiety,
Eating Disorder, Alcohol Abuse, Substance Abuse.
Administration History
See study
years administered.
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19 November 2002
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