Hallvard Gjerde

Summary

Affiliation: Norwegian Institute of Public Health
Country: Norway

Publications

  1. pmc Alcohol, psychoactive substances and non-fatal road traffic accidents--a case-control study
    Stig Tore Bogstrand
    Emergency Department, Division of Emergencies and Critical Care, Oslo University Hospital, Ulleval, Oslo N 0407, Norway
    BMC Public Health 12:734. 2012
  2. doi request reprint Norwegian roadside survey of alcohol and drug use by drivers (2008-2009)
    Hallvard Gjerde
    Norwegian Institute of Public Health, Oslo, Norway
    Traffic Inj Prev 14:443-52. 2013
  3. doi request reprint Analysis of alcohol and drugs in oral fluid from truck drivers in Norway
    Hallvard Gjerde
    Norwegian Institute of Public Health, Division of Forensic Medicine and Drug Abuse Research, Oslo, Norway
    Traffic Inj Prev 13:43-8. 2012
  4. doi request reprint Prevalence of alcohol and drugs among Norwegian motor vehicle drivers: a roadside survey
    Hallvard Gjerde
    Norwegian Institute of Public Health, Division of Forensic Toxicology and Drug Abuse, P O Box 4404 Nydalen, NO 0403 Oslo, Norway
    Accid Anal Prev 40:1765-72. 2008
  5. doi request reprint Estimating equivalent cutoff thresholds for drugs in blood and oral fluid using prevalence regression: a study of tetrahydrocannabinol and amphetamine
    Hallvard Gjerde
    Norwegian Institute of Public Health, Division of Forensic Toxicology and Drug Abuse, PO Box 4404 Nydalen, 0403 Oslo, Norway
    Forensic Sci Int 212:e26-30. 2011
  6. doi request reprint Toxicological investigations of drivers killed in road traffic accidents in Norway during 2006-2008
    Hallvard Gjerde
    Norwegian Institute of Public Health, Division of Forensic Toxicology and Drug Abuse, Lovisenberggata 6, PO Box 4404, Nydalen, 0403 Oslo, Norway
    Forensic Sci Int 212:102-9. 2011
  7. doi request reprint Prevalence of driving with blood drug concentrations above proposed new legal limits in Norway: estimations based on drug concentrations in oral fluid
    Hallvard Gjerde
    Norwegian Institute of Public Health, Division of Forensic Toxicology and Drug Abuse, P O Box 4404 Nydalen, 0403 Oslo, Norway
    Forensic Sci Int 210:221-7. 2011
  8. doi request reprint Alcohol, psychoactive drugs and fatal road traffic accidents in Norway: a case-control study
    Hallvard Gjerde
    Norwegian Institute of Public Health, Division of Forensic Toxicology and Drug Abuse, Lovisenberggata 6, PO Box 4404 Nydalen, NO 0403 Oslo, Norway
    Accid Anal Prev 43:1197-203. 2011
  9. ncbi request reprint Comparison of zopiclone concentrations in oral fluid sampled with Intercept(®) oral specimen collection device and Statsure Saliva Sampler™ and concentrations in blood
    Hallvard Gjerde
    Norwegian Institute of Public Health, Division of Forensic Toxicology and Drug Abuse, P O Box 4404 Nydalen, NO 0403 Oslo, Norway
    J Anal Toxicol 34:590-3. 2010
  10. ncbi request reprint The prevalence of alcohol and drugs in sampled oral fluid is related to sample volume
    Hallvard Gjerde
    Norwegian Institute of Public Health, Oslo, Norway
    J Anal Toxicol 34:416-9. 2010

Detail Information

Publications17

  1. pmc Alcohol, psychoactive substances and non-fatal road traffic accidents--a case-control study
    Stig Tore Bogstrand
    Emergency Department, Division of Emergencies and Critical Care, Oslo University Hospital, Ulleval, Oslo N 0407, Norway
    BMC Public Health 12:734. 2012
    ....
  2. doi request reprint Norwegian roadside survey of alcohol and drug use by drivers (2008-2009)
    Hallvard Gjerde
    Norwegian Institute of Public Health, Oslo, Norway
    Traffic Inj Prev 14:443-52. 2013
    ..This roadside survey was part of the European DRUID (Driving Under the Influence of Drugs, Alcohol and Medicines) Project...
  3. doi request reprint Analysis of alcohol and drugs in oral fluid from truck drivers in Norway
    Hallvard Gjerde
    Norwegian Institute of Public Health, Division of Forensic Medicine and Drug Abuse Research, Oslo, Norway
    Traffic Inj Prev 13:43-8. 2012
    ..To examine alcohol and drug use among truck drivers compared to car or van drivers in Norway by analyzing samples of oral fluid...
  4. doi request reprint Prevalence of alcohol and drugs among Norwegian motor vehicle drivers: a roadside survey
    Hallvard Gjerde
    Norwegian Institute of Public Health, Division of Forensic Toxicology and Drug Abuse, P O Box 4404 Nydalen, NO 0403 Oslo, Norway
    Accid Anal Prev 40:1765-72. 2008
    ..4%), benzodiazepines (1.4%), codeine (0.8%), tetrahydrocannabinol (0.6%) and amphetamines (0.3%). Two or more drugs were found in 0.6% of the samples, corresponding to 15% of the drug-positive drivers...
  5. doi request reprint Estimating equivalent cutoff thresholds for drugs in blood and oral fluid using prevalence regression: a study of tetrahydrocannabinol and amphetamine
    Hallvard Gjerde
    Norwegian Institute of Public Health, Division of Forensic Toxicology and Drug Abuse, PO Box 4404 Nydalen, 0403 Oslo, Norway
    Forensic Sci Int 212:e26-30. 2011
    ....
  6. doi request reprint Toxicological investigations of drivers killed in road traffic accidents in Norway during 2006-2008
    Hallvard Gjerde
    Norwegian Institute of Public Health, Division of Forensic Toxicology and Drug Abuse, Lovisenberggata 6, PO Box 4404, Nydalen, 0403 Oslo, Norway
    Forensic Sci Int 212:102-9. 2011
    ....
  7. doi request reprint Prevalence of driving with blood drug concentrations above proposed new legal limits in Norway: estimations based on drug concentrations in oral fluid
    Hallvard Gjerde
    Norwegian Institute of Public Health, Division of Forensic Toxicology and Drug Abuse, P O Box 4404 Nydalen, 0403 Oslo, Norway
    Forensic Sci Int 210:221-7. 2011
    ..The results from a roadside survey of 10,816 drivers was used as basis for the estimation, and the most prevalent drugs were included...
  8. doi request reprint Alcohol, psychoactive drugs and fatal road traffic accidents in Norway: a case-control study
    Hallvard Gjerde
    Norwegian Institute of Public Health, Division of Forensic Toxicology and Drug Abuse, Lovisenberggata 6, PO Box 4404 Nydalen, NO 0403 Oslo, Norway
    Accid Anal Prev 43:1197-203. 2011
    ..For most substances, higher ORs were found when studying drivers involved in single vehicle accidents than for those involved in multiple vehicle accidents, but confidence intervals were wider...
  9. ncbi request reprint Comparison of zopiclone concentrations in oral fluid sampled with Intercept(®) oral specimen collection device and Statsure Saliva Sampler™ and concentrations in blood
    Hallvard Gjerde
    Norwegian Institute of Public Health, Division of Forensic Toxicology and Drug Abuse, P O Box 4404 Nydalen, NO 0403 Oslo, Norway
    J Anal Toxicol 34:590-3. 2010
    ..35. The results indicate that the type of sampling device may significantly affect the analytical result for zopiclone in sampled oral fluid...
  10. ncbi request reprint The prevalence of alcohol and drugs in sampled oral fluid is related to sample volume
    Hallvard Gjerde
    Norwegian Institute of Public Health, Oslo, Norway
    J Anal Toxicol 34:416-9. 2010
    ..If not analyzed, positive drug cases will be missed, and the total prevalence of alcohol and drugs in the population being studied will be underestimated...
  11. pmc Use of alcohol and drugs by Norwegian employees: a pilot study using questionnaires and analysis of oral fluid
    Hallvard Gjerde
    Norwegian Institute of Public Health, Pb 4404 Nydalen, NO 0403 Oslo, Norway
    J Occup Med Toxicol 5:13. 2010
    ..The use of alcohol and drugs may affect workplace safety and productivity. Little is known about the magnitude of this problem in Norway...
  12. ncbi request reprint Comparison of drug concentrations in blood and oral fluid collected with the Intercept sampling device
    Hallvard Gjerde
    Norwegian Institute of Public Health, Division of Forensic Toxicology and Drug Abuse, Oslo, Norway
    J Anal Toxicol 34:204-9. 2010
    ..1 amphetamine, 2.9 methamphetamine, 5.4 codeine, 1.9 morphine, and 4.7 tetrahydrocannabinol. The correlation coefficients between drug concentrations in oral fluid and blood ranged from 0.15 to 0.96 for the six most prevalent drugs...
  13. doi request reprint Can the prevalence of high blood drug concentrations in a population be estimated by analysing oral fluid? A study of tetrahydrocannabinol and amphetamine
    Hallvard Gjerde
    Norwegian Institute of Public Health, Division of Forensic Toxicology and Drug Abuse, Oslo, Norway
    Forensic Sci Int 195:153-9. 2010
    ..To study several methods for estimating the prevalence of high blood concentrations of tetrahydrocannabinol and amphetamine in a population of drug users by analysing oral fluid (saliva)...
  14. ncbi request reprint Ethyl glucuronide concentrations in oral fluid, blood, and urine after volunteers drank 0.5 and 1.0 g/kg doses of ethanol
    Gudrun Høiseth
    Norwegian Institute of Public Health, Division of Forensic Toxicology and Drug Abuse, Nydalen, Oslo, Norway
    J Anal Toxicol 34:319-24. 2010
    ..5 h (range 3.5-11.5 h) in oral fluid. According to this, the detection time for EtG in oral fluid is therefore only a few hours longer than for ethanol itself and represents limited additional value...
  15. doi request reprint A Norwegian study of the suitability of hair samples in epidemiological research of alcohol, nicotine and drug use
    Hilde Marie Erøy Lund
    Division of Forensic Medicine and Drug Abuse Research, Norwegian Institute of Public Health, PO Box 4404 Nydalen, Oslo N 0403, Norway
    J Anal Toxicol 37:362-8. 2013
    ....
  16. ncbi request reprint Levels of ethyl glucuronide and ethyl sulfate in oral fluid, blood, and urine after use of mouthwash and ingestion of nonalcoholic wine
    Gudrun Høiseth
    Norwegian Institute of Public Health, Division of Forensic Toxicology and Drug Abuse, Oslo, Norway
    J Anal Toxicol 34:84-8. 2010
    ..Finally, the study showed that a positive EtG or EtS result after accidental alcohol exposure is unlikely in blood and oral fluid...
  17. doi request reprint Estimation of equivalent cutoff thresholds in blood and oral fluid for drug prevalence studies
    Hallvard Gjerde
    1Division of Forensic Medicine and Drug Abuse Research, Norwegian Institute of Public Health, PO Box 4404 Nydalen, 0403 Oslo, Norway
    J Anal Toxicol 38:92-8. 2014
    ..Prevalence regression gave the most accurate results. The regression formulae can be used to estimate equivalent cutoff concentrations in oral fluid and blood. ..