Developing Interview Questions to Estimate Workplace Exposure to Electric and Magnetic Fields
Public ClinicalTrials.gov record NCT00340054. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
Assessment of Occupational EMF Exposure - Validation of Interview Procedures Used in Brain Tumor Study
Brief summary
Reproduced verbatim from the official ClinicalTrials.gov record. Not medical advice.
RATIONALE: Electric and magnetic fields may increase the risk of cancer. Developing interview questions that accurately estimate a person's exposure to electric and magnetic fields may help doctors learn about the long-term effects of workplace exposure. PURPOSE: This clinical trial is developing interview questions that can be used in estimating workplace exposure to electric and magnetic fields.
Study identification
- NCT ID
- NCT00340054
- Recruitment status
- Completed
- Study type
- Observational
- Phase
- Not listed
- Enrollment
- 108 participants
Conditions and interventions
Conditions
Interventions
- questionnaire administration Other
- study of high risk factors Procedure
Other · Procedure
Eligibility (public fields only)
- Age range
- 18 Years to 65 Years
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Sep 30, 2005
- Primary completion
- Not listed
- Completion
- Feb 28, 2007
- Last update posted
- Mar 7, 2012
2005 – 2007
United States locations
- U.S. sites
- 2
- U.S. states
- 2
- U.S. cities
- 2
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| Exponent, Inc. | Menlo Park | California | 94025 | — |
| National Institute for Occupational Safety and Health | Cincinnati | Ohio | 45226 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT00340054, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Mar 7, 2012 · Synced Sep 6, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT00340054 live on ClinicalTrials.gov.