Torleif Halkjelsvik

Norwegian Institute of Public Health — Norway

Medicine · Health Sciences

15h-index642citations69works1.02yr avg
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Research Topics

Substance Abuse Treatment and Outcomes(15), Behavioral Health and Interventions(14), Decision-Making and Behavioral Economics(10), Software Engineering Research(7), Smoking Behavior and Cessation(5)

Publications69 total

Sickness absence among adult siblings in families affected by substance use: Effects of geographical proximity, gender, and age differences
Open Science Framework·2025Open Access
The socioeconomic, health, and family situation of adult siblings of patients with substance use diagnosis: A descriptive registry study
Drug and Alcohol Dependence·2025Open Access
The socioeconomic, health, and family situation of parents of patients with substance use diagnosis: A descriptive registry study
Drug and Alcohol Dependence·2025Open Access
Is the association between working from home and higher frequency of drinking and heavy episodic drinking causal? A longitudinal analysis in the Norwegian workforce
Scandinavian Journal of Work Environment & Health·2025· 2 citedOpen Access
Who Becomes a Software Developer and Who Prospers? Predicting Profession and Salary from Early Academic Performance and Family Background
SSRN Electronic Journal·2025Open Access
Concurrent decline in teenage fertility rate and binge drinking? An observational study across 45 nations
Drug and Alcohol Review·2024· 1 citedOpen Access
Advice taking when the stakes are high: Evidence from a game show
Judgment and Decision Making·2024· 4 citedOpen Access
The effect of free school fruit on academic performance: a nationwide quasi-experiment
Scientific Reports·2023· 2 citedOpen Access
Work-related Alcohol Use
International Journal on Minority and Group Rights·2023· 1 cited
The effect of a smoking cessation program for patients in cancer treatment: a quasi-experimental intervention study
Acta Oncologica·2023· 3 citedOpen Access
Alcohol‐related sexual harassment in the workplace: A between and within industry analysis
Drug and Alcohol Review·2023· 4 citedOpen Access
The effect of free school fruit on academic performance: a nationwide quasi-experiment
2022Open Access
Incentive-, State-, and Rule-Based Strategic Self-Control
2022Open Access
Sports participation and alcohol use revisited: A longitudinal study of Norwegian postmillennial adolescents
Journal of Adolescence·2022· 6 citedOpen Access
The use of disaggregate data in evaluations of public health interventions: cross-sectional dependence can bias inference
Archives of Public Health·2022· 2 citedOpen Access
When should we (not) use the mean magnitude of relative error (MMRE) as an error measure in software development effort estimation?
Information and Software Technology·2021· 25 cited
Can country-level changes in internet use, social media use and online gaming explain the decline in drinking among adolescents?: A multilevel analysis of ESPAD data from 2003 to 2019.
2021
When 2 + 2 should be 5: The summation fallacy in time prediction
Journal of Behavioral Decision Making·2021· 2 citedOpen Access
The Short-term Impact of Standardised Packaging on Smoking and Snus Use in Norway
Nicotine & Tobacco Research·2021· 5 citedOpen Access
Evaluation of Probabilistic Project Cost Estimates
IEEE Transactions on Engineering Management·2021· 16 cited
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Frequent Co-authors

Magne Jørgensen(14), Jostein Rise(9), Inger Synnøve Moan(8), Elisabet E. Storvoll(5), Karl Halvor Teigen(2), Geir Scott Brunborg(2), Karl Erik Lund(2), Velibor Bobo Kovač(2), Elling Bere(2), Rannveig Kaldager Hart(2), Antonio Gasparrini(2), Kristin Buvik(1), Barbara Kitchenham(1), Knut Liestøl(1), Elin K. Bye(1), Morten Welde(1), Marianne Lund(1), Pål Kraft(1), Leif Edvard Aarø(1), Bente Øvrebø(1)