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- Title
Psychometric properties of the Chinese version of the Quick Delay Questionnaire (C-QDQ) and ecological characteristics of reward-delay impulsivity of adults with ADHD.
- Authors
Chen, Caili; Zhang, Shiyu; Hong, Haiheng; Qiu, Sunwei; Zhou, Yi; Zhao, Mengjie; Pan, Meirong; Si, Feifei; Dong, Min; Li, Haimei; Wang, Yufeng; Liu, Lu; Sonuga-Barke, Edmund J. S.; Qian, Qiujin
- Abstract
Background: The Quick Delay Questionnaire (QDQ) is a short questionnaire designed to assess delay-related difficulties in adults. This study aimed to examine the reliability and validity of the Chinese version of the QDQ (C-QDQ) in Chinese adults, and explore the ecological characteristics of delay-related impulsivity in Chinese adults with attention-deficit/hyperactivity disorder (ADHD). Methods: Data was collected from 302 adults, including ADHD (n = 209) and healthy controls (HCs) (n = 93). All participants completed the C-QDQ. The convergent validity, internal consistency, retest reliability and confirmatory factor analysis (CFA) of the C-QDQ were analyzed. The correlations between C-QDQ and two laboratory measures of delay-related difficulties and Barratt Impulsiveness Scale-11 (BIS-11), the comparison of C-QDQ scores between ADHD subgroups and HCs were also analyzed. Results: The Cronbach's α of C-QDQ was between 0.83 and 0.89. The intraclass correlation coefficient of C-QDQ was between 0.80 and 0.83. The results of CFA of C-QDQ favoured the original two-factor model (delay aversion and delay discounting). Significant positive associations were found between C-QDQ scores and BIS-11 total score and performance on the laboratory measure of delay-related difficulties. Participants with ADHD had higher C-QDQ scores than HCs, and female ADHD reported higher scores on delay discounting subscale than male. ADHD-combined type (ADHD-C) reported higher scores on delay aversion subscale than ADHD-inattention type (ADHD-I). Conclusion: The C-QDQ is a valid and reliable tool to measure delay-related responses that appears to have clinical utility. It can present the delay-related impulsivity of patients with ADHD. Compared to HCs, the level of reward-delay impulsivity was higher in ADHD.
- Subjects
PSYCHOMETRICS; ATTENTION-deficit hyperactivity disorder; IMPULSIVE personality; CONFIRMATORY factor analysis; DELAY discounting (Psychology)
- Publication
BMC Psychiatry, 2024, Vol 24, Issue 1, p1
- ISSN
1471-244X
- Publication type
Article
- DOI
10.1186/s12888-024-05706-2