Search Results - subject:"age of onset"

Early history of cannabis use in Amsterdam

van Ours, Jan C. - 2025

Around 50 years ago, the Netherlands decriminalized cannabis for recreational use. This paper uses retrospective data on the ages at which individuals began and ceased cannabis use to reconstruct its prevalence in Amsterdam during the period surrounding the policy change. This approach enables a...

Persistent link: https://www.econbiz.de/10015210012

Early hstory of cannabis use in Amsterdam

Ours, Jan C. van - 2025

Persistent link: https://www.econbiz.de/10015198643

Age of tobacco smoking initiation among Iranian adults based on National and Subnational data from the 2021 STEPS survey: Short title: Tobacco Smoking Onset Age in Iran

Pourabhari Langroudi, Ashkan; Farzi, Yosef; Almasi, Golaleh - In: Scientific Reports 15 (2025)

Tobacco smoking is a significant global public health challenge, responsible for 8 million deaths annually. This study aimed to analyze the age of smoking initiation and its sociodemographic determinants among Iranian adults, based on data from the 2021 STEPwise approach to surveillance (STEPS)...

Persistent link: https://www.econbiz.de/10015404564

Cannabis Decriminalization and the Age of Onset of Cannabis Use

van Ours, Jan; Cervený, J.; Chomynova, Pavla; Mravcik, … - Tilburg University, Center for Economic Research - 2015

This paper examines the effect of a change in drugs policy on the age of onset of<br/>cannabis use. We use 2012 survey … decriminalization of cannabis did not affect the age of onset of cannabis use. …

Persistent link: https://www.econbiz.de/10011166200

Cannabis decriminalization and the age of onset of cannabis use

Cerveny, Jakub; Chomynová, Pavla; Mravčik, Viktor; … - 2015

Persistent link: https://www.econbiz.de/10011348897

Deviant Pornography Use: The Role of Early-Onset Adult Pornography Use and Individual Differences

Seigfried-Spellar, Kathryn C. - In: International Journal of Cyber Behavior, Psychology and … 6 (2016) 3, pp. 34-47

recent study found individuals who consumed both adult + deviant pornography reported a significantly younger “age of onset …” for adult pornography use compared to adult-only users. The current study investigated whether age of onset for adult … users scored significantly higher on openness to experience and reported a significantly younger age of onset for adult …

Persistent link: https://www.econbiz.de/10012043485

Dynamics in the Use of Drugs

van Ours, Jan - Tilburg University, Center for Economic Research - 2005

C41; D12; I19;

Persistent link: https://www.econbiz.de/10011092110

Analysis of Melanoma Onset: Assessing Familial Aggregation by Using Estimating Equations and Fitting Variance Components via Bayesian Random Effects Models

Do, Kim-Anh; Aitken, Joanne F.; Green, Adele C; Martin, … - 2004

We investigate whether relative contributions of genetic and shared environmental factors are associated with an increased risk in melanoma. Data from the Queensland Familial Melanoma Project comprising 15,907 subjects arising from 1912 families were analyzed to estimate the additive genetic,...

Persistent link: https://www.econbiz.de/10009447892