Publications by authors named "Hallvard Gjerde"

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Evaluation of DrugWipe® 6S with the WipeAlyser® reader for drug screening of drivers.
Ragnhild Elén Gjulem Jamt, Hallvard Gjerde, Grethe Brennhovd Clausen, Lihn Bache-Andreassen, Elisabeth Leere Øiestad

J Anal Toxicol· September 2025

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Substance use and driver fatality in Norway: An expanded case-control study.
Hallvard Gjerde, Ragnhild Elen Gjulem Jamt, Jo Steinson Stenehjem, Stig Tore Bogstrand

Traffic Inj Prev· April 2025

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Drug analysis: Comparison between dried plasma spots and liquid plasma samples of trauma patients from Cameroon-A feasibility study.
Hallvard Gjerde, Yannick Oyono, Ragnhild Elén Gjulem Jamt, Carolle Yanique Tayimetha, Emmanuel Acha Asongalem

Drug Test Anal· March 2024

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Recommendations for effective collaboration and capacity building in epidemiological studies on the effect of alcohol and drug use on traffic safety in low- and middle-income countries.
Hallvard Gjerde, Marilyn A Huestis, Gift Mulima, Chifundo Kajombo, Mads Sundet

Traffic Inj Prev· March 2024

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Prevalence of use and impairment from drugs and alcohol among trauma patients: A national prospective observational study.
Camilla C Bråthen, Benedicte M Jørgenrud, Stig Tore Bogstrand, Hallvard Gjerde, Leiv Arne Rosseland

Injury· December 2023

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Nystagmus among suspected amphetamine impaired drivers.
Maren Cecilie Strand, Hallvard Gjerde, Gudrun Høiseth

J Forensic Leg Med· April 2023

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Prevalence of alcohol and drugs among drivers killed in road traffic crashes in Norway during 2011-2020.
Hallvard Gjerde, Joachim Frost

Traffic Inj Prev· March 2023

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Crash-involved THC-positive drivers in Norway have a high frequency of polysubstance use.
Hallvard Gjerde, Stig Tore Bogstrand, Ragnhild Elén Gjulem Jamt, Vigdis Vindenes

Drug Alcohol Depend· March 2023

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Which illicit drugs are injected in Oslo? A study based on analysis of drug residues in used injection equipment and self-reported information.
Hallvard Gjerde, Anne Line Bretteville-Jensen, Lihn Bache-Andreassen, Kristin Hanoa, Håvard Furuhaugen

Scand J Public Health· February 2023

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Prevalence of alcohol among drivers, riders and pedestrians injured in road traffic crashes in Cameroon: a cross-sectional study.
Yannick Oyono, Hallvard Gjerde, Tara Kelley-Baker, Emmanuel Acha Asongalem, Boris Arnaud Kouomogne Nteungue

Int J Inj Contr Saf Promot· September 2022

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Poor correlation between alcohol concentration in oral fluid and breath in subjects consuming beverages immediately before testing.
Hallvard Gjerde, Anne Line Bretteville-Jensen, Håvard Furuhaugen

Biochem Med (Zagreb)· February 2022

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Use of alcohol and illicit drugs by trauma patients in Sao Paulo, Brazil.
Henrique Silva Bombana, Stig Tore Bogstrand, Hallvard Gjerde, Ragnhild Elén Gjulem Jamt, Heráclito Barbosa de Carvalho

Injury· January 2022

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Prevalence and Correlates of Illicit Drug Use among Norwegian Nightlife Patrons.
Benedicte Jørgenrud, Håvard Furuhaugen, Hallvard Gjerde

Subst Use Misuse· October 2021

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Alcohol and drug use among road users involved in fatal crashes in Norway.
Live Tanum Pasnin, Hallvard Gjerde

Traffic Inj Prev· July 2021

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Roadside surveys of drinking and driving in Cameroon.
Yannick Oyono, Hallvard Gjerde, Emmanuel Acha Asongalem, Boris Arnaud Kouomogne Nteungue, Emmanuel Bamuh

Traffic Inj Prev· July 2021

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Prevalence of alcohol use among road traffic crash victims presenting to a Malawian Central Hospital: A cross-sectional study.
Mads Sundet, Chifundo Kajombo, Gift Mulima, Stig Tore Bogstrand, Carlos Varela, Hallvard Gjerde

Traffic Inj Prev· April 2021

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Geographical mapping of road traffic injuries in Lilongwe, Malawi.
Mads Sundet, Gift Mulima, Chifundo Kajombo, Hallvard Gjerde, Asbjørg S Christophersen

Injury· April 2021

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The implementation of per-se limits for driving under the influence of benzodiazepines and related drugs: No increased risk for arrest during therapeutic use in Norway.
Asbjørg S Christophersen, Ritva Karinen, Jørg Mørland, Hallvard Gjerde

Traffic Inj Prev· December 2020

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Adult pedestrian and cyclist injuries in Lilongwe, Malawi: a cross-sectional study.
Mads Sundet, Gift Mulima, Chifundo Kajombo, Hallvard Gjerde, Asbjørg S Christophersen

Malawi Med J· December 2020

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Oral Fluid to Blood Concentration Ratios of Different Psychoactive Drugs in Samples from Suspected Drugged Drivers.
Eirin Bakke, Gudrun Høiseth, Håvard Furuhaugen, Thomas Berg, Marianne Arnestad, Hallvard Gjerde

Ther Drug Monit· October 2020

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Comparison of traffic data and blood alcohol concentration among fatally injured drivers in Norway and Sao Paulo, Brazil, 2005-2015.
Julio de Carvalho Ponce, Gabriel Andreuccetti, Raphael Eduardo Marques Gonçalves, Hallvard Gjerde, Stig Tore Bogstrand

Traffic Inj Prev· July 2020

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Drug Use by Music Festival Attendees: A Novel Triangulation Approach Using Self-Reported Data and Test Results of Oral Fluid and Pooled Urine Samples.
Hallvard Gjerde, Linn Gjersing, Jose Antonio Baz-Lomba, Lubertus Bijlsma, Noelia Salgueiro-González

Subst Use Misuse· May 2020

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Determination of drug residues in used syringe needles.
Hallvard Gjerde, Anne Line Bretteville-Jensen, Håvard Furuhaugen, Lihn Bache-Andreassen, Marianne Skov-Skov Bergh

Drug Test Anal· March 2020

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Associations between psychoactive substance use and sensation seeking behavior among drivers in Norway.
Ragnhild E G Jamt, Hallvard Gjerde, Håvard Furuhaugen, Giovanni Romeo, Vigdis Vindenes

BMC Public Health· January 2020

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Driver-related risk factors of fatal road traffic crashes associated with alcohol or drug impairment.
Anja Valen, Stig Tore Bogstrand, Vigdis Vindenes, Joachim Frost, Magnus Larsson, Hallvard Gjerde

Accid Anal Prev· October 2019

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