Johnston County ADHD Study: Environmental, Reporductive, and Familial Risk Factors for Attention-Deficit Hyperactivity Disorder (ADHD)
| Tracking Information | |
|---|---|
| First Received Date ICMJE | June 19, 2006 |
| Last Updated Date | March 17, 2011 |
| Start Date ICMJE | May 1997 |
| Primary Completion Date | Not Provided |
| Current Primary Outcome Measures ICMJE | Not Provided |
| Original Primary Outcome Measures ICMJE | Not Provided |
| Change History | Complete list of historical versions of study NCT00339729 on ClinicalTrials.gov Archive Site |
| Current Secondary Outcome Measures ICMJE | Not Provided |
| Original Secondary Outcome Measures ICMJE | Not Provided |
| Current Other Outcome Measures ICMJE | Not Provided |
| Original Other Outcome Measures ICMJE | Not Provided |
| Descriptive Information | |
| Brief Title ICMJE | Johnston County ADHD Study: Environmental, Reporductive, and Familial Risk Factors for Attention-Deficit Hyperactivity Disorder (ADHD) |
| Official Title ICMJE | Johnston County ADHD Study: Environmental, Reproductive and Familial Risk Factors for Attention-Deficit Hyperactivity Disorder (ADHD) |
| Brief Summary | We propose a population-based case-control study among 7000 elementary school children in semi-rural Johnston County, NC. Teachers will complete a screening form on each child. Controls will be randomly selected. Mothers of potential cases and controls will be interviewed by telephone about their child's symptoms of ADHD and exposure history, their family history of ADHD, and their reproductive and exposure history. Children's shed baby teeth will be analyzed for lead. Mothers will complete brief parenting scales and the Child Behavior Checklist. School records will be collected. The study goals are to identify risk factors for ADHD including preterm delivery and childhood lead exposure. |
| Detailed Description | We propose a population-based case-control study among 7000 elementary school children in semi-rural Johnston County, NC. Teachers will complete a screening form on each child. Controls will be randomly selected. Mothers of potential cases and controls will be interviewed by telephone about their child's symptoms of ADHD and exposure history, their family history of ADHD, and their reproductive and exposure history. Children's shed baby teeth will be analyzed for lead. Mothers will complete brief parenting scales and the Child Behavior Checklist. School records will be collected. The study goals are to identify risk factors for ADHD including preterm delivery and childhood lead exposure. |
| Study Type ICMJE | Observational |
| Study Design ICMJE | Not Provided |
| Target Follow-Up Duration | Not Provided |
| Biospecimen | Not Provided |
| Sampling Method | Not Provided |
| Study Population | Not Provided |
| Condition ICMJE | Attention-Deficit Hyperactivity Disorder |
| Intervention ICMJE | Not Provided |
| Study Group/Cohort (s) | Not Provided |
| Publications * | Not Provided |
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* Includes publications given by the data provider as well as publications identified by ClinicalTrials.gov Identifier (NCT Number) in Medline. |
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| Recruitment Information | |
| Recruitment Status ICMJE | Completed |
| Enrollment ICMJE | 8000 |
| Completion Date | May 2007 |
| Primary Completion Date | Not Provided |
| Eligibility Criteria ICMJE |
During the first phase of the study, all children will be screened by the homeroom teacher, EXCEPT for those students in certain self-contained classrooms. Self-contained classrooms for students with an IQ less than 70 or autism will be omitted from the screening. In the second phase of the study, children designated as "LEP", or Low English Proficiency, will be excluded from the study. |
| Gender | Both |
| Ages | 8 Years and older |
| Accepts Healthy Volunteers | Yes |
| Contacts ICMJE | Contact information is only displayed when the study is recruiting subjects |
| Location Countries ICMJE | United States |
| Administrative Information | |
| NCT Number ICMJE | NCT00339729 |
| Other Study ID Numbers ICMJE | 999997029, OH97-E-N029 |
| Has Data Monitoring Committee | Not Provided |
| Responsible Party | Not Provided |
| Study Sponsor ICMJE | National Institute of Environmental Health Sciences (NIEHS) |
| Collaborators ICMJE | Not Provided |
| Investigators ICMJE | Not Provided |
| Information Provided By | National Institutes of Health Clinical Center (CC) |
| Verification Date | May 2007 |
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ICMJE Data element required by the International Committee of Medical Journal Editors and the World Health Organization ICTRP |
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