Differential perinatal risk factors in children with attention-deficit/hyperactivity disorder by subtype
- Authors
- Park, Subin; Cho, Soo-Churl; Kim, Jae-Won; Shin, Min-Sup; Yoo, Hee-Jeong; Oh, Seung Min; Han, Doug Hyun; Cheong, Jae Hoon; Kim, Bung-Nyun
- Issue Date
- Nov-2014
- Publisher
- ELSEVIER IRELAND LTD
- Keywords
- Attention-deficit hyperactivity disorder; subtype; perinatal risk factors
- Citation
- PSYCHIATRY RESEARCH, v.219, no.3, pp 609 - 616
- Pages
- 8
- Journal Title
- PSYCHIATRY RESEARCH
- Volume
- 219
- Number
- 3
- Start Page
- 609
- End Page
- 616
- URI
- https://scholarworks.bwise.kr/cau/handle/2019.sw.cau/11577
- DOI
- 10.1016/j.psychres.2014.05.036
- ISSN
- 0165-1781
- Abstract
- We compared the attention-deficit/hyperactivity disorder(ADHD) combined subtype (ADHD-C) to the ADHD inattentive subtype (ADHD-I) in terms of genetic, perinatal, and developmental risk factors as well as clinical and neuropsychological characteristics. A total of 147 children diagnosed with ADHD between the ages of 6 and 15 years participated in this study. The parents of the children completed the structured diagnostic interview, the ADHD Rating Scale-IV, the Children's Behavior Checklist, and structured questionnaires on perinatal risk factors, and the children underwent a neuropsychological test and were genotyped. A total of 502 children without ADHD were recruited from the community as a healthy control group. The ADHD-C children showed more severe externalizing symptoms, showed more deficits in a continuous performance test, and were more likely to have comorbid disorders. Maternal stress during pregnancy, postpartum depression, and changes in the primary caretaker during first 3 years were significantly associated with both ADHD-I and ADHD-C. The ADHD-I group was less likely to have received regular prenatal check-ups and more likely to have had postnatal medical illness than the ADHD-C group. There were no significant differences in the genotype frequencies of the dopamine transporter (DAT1) and the serotonin transporter -linked polymorphic region (5-HTTLPR) polymorphisms between ADHD-I and ADHD-C groups. This study shows that the inattentive subtype of ADHD is different from the combined subtype in many parameters including severity of symptoms, comorbidity, neuropsychological characteristics, and environmental risk factors. (C) 2014 Elsevier Ireland Ltd. All rights reserved.
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