Journal
JOURNAL OF AUTISM AND DEVELOPMENTAL DISORDERS
Volume 43, Issue 10, Pages 2341-2352Publisher
SPRINGER/PLENUM PUBLISHERS
DOI: 10.1007/s10803-013-1775-1
Keywords
Autism spectrum disorders; Anxiety; Measurement; Clinical Trials
Categories
Funding
- NCATS NIH HHS [UL1 TR001108] Funding Source: Medline
- NCRR NIH HHS [UL1 RR024139, UL1 RR025761, UL1RR024139, UL1 RR025755] Funding Source: Medline
- NICHD NIH HHS [U01 HD045023, U01-HD045023] Funding Source: Medline
- NIDA NIH HHS [N01MH80011] Funding Source: Medline
- NIMH NIH HHS [U10 MH066764, U10MH66766, N01MH70009, U10MH66764, U54 MH066494, U54-MH066418, U54 MH066673, U54 MH068172, N01MH70001, U54-MH066494, U01 MH070010, U01 MH070009, N01MH70010, U54-MH066398, U54-MH068172, U54-MH066673, U54 MH066418, U10 MH066766, U10MH66768, U54 MH066398, U10 MH066768] Funding Source: Medline
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This study explores the manifestation and measurement of anxiety symptoms in 415 children with ASDs on a 20-item, parent-rated, DSM-IV referenced anxiety scale. In both high and low-functioning children (IQ above vs. below 70), commonly endorsed items assessed restlessness, tension and sleep difficulties. Items requiring verbal expression of worry by the child were rarely endorsed. Higher anxiety was associated with functional language, IQ above 70 and higher scores on several other behavioral measures. Four underlying factors emerged: Generalized Anxiety, Separation Anxiety, Social Anxiety and Over-arousal. Our findings extend our understanding of anxiety across IQ in ASD and provide guidance for improving anxiety outcome measurement.
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