A1 Vertaisarvioitu alkuperäisartikkeli tieteellisessä lehdessä

Annual incidence of substance-induced psychoses in Scandinavia from 2000 to 2016




TekijätRognli Eline Borger, Taipale Heidi, Hjorthøj Carsten, Mittendorfer-Rutz Ellenor, Bramness Jørgen G., Heiberg Ina H., Niemelä Solja

KustantajaCAMBRIDGE UNIV PRESS

Julkaisuvuosi2022

JournalPsychological Medicine

Tietokannassa oleva lehden nimiPSYCHOLOGICAL MEDICINE

Lehden akronyymiPSYCHOL MED

Artikkelin numeroPII S003329172200229X

Sivujen määrä10

ISSN0033-2917

eISSN1469-8978

DOIhttps://doi.org/10.1017/S003329172200229X

Verkko-osoitehttps://www.cambridge.org/core/journals/psychological-medicine/article/annual-incidence-of-substanceinduced-psychoses-in-scandinavia-from-2000-to-2016/C3B39A4C692607A84C9396E53B749875

Rinnakkaistallenteen osoitehttps://research.utu.fi/converis/portal/detail/Publication/176271480


Tiivistelmä

Background

Substance-induced psychosis (SIP) is a serious condition and may predispose for schizophrenia. We know too little about SIP incidence over time and across countries, including substance-specific SIPs. We estimated annual incidence rate of SIP in Denmark, Norway, and Sweden according to substance, age, gender, and socioeconomic background.

Methods

Data were drawn from registries covering the whole adult population in the countries. Annual incidence rate per 100 000 persons of SIPs was estimated for Denmark and Sweden from 2000 to 2016 and for Norway from 2010 to 2015.

Results

The annual incidence rate of any SIP fluctuated between 9.3 and 14.1. The most commonly occurring SIPs were those induced by alcohol, cannabis, amphetamines, and multiple substances. There was a steady decrease in the incidence rate of alcohol-induced psychosis from the first to the last year of the observation period in Denmark (from 4.9 to 1.5) and Sweden (from 4.5 to 2.2). The incidence rate of cannabis-induced psychosis increased in all countries, from 2.6 to 5.6 in Denmark, from 0.8 to 2.7 in Sweden, and from 1.8 to 3.0 in Norway. Median age of any SIP decreased in Denmark (from 36 to 29 years) and Sweden (from 41 to 31 years). Incidence rates were higher in men and in individuals on disability pension, and increased more among those with high parental education.

Conclusions

We found similar and stable incidence rates of any SIP in all Scandinavian countries through the observation period. The incidence of alcohol-induced psychosis decreased. The incidence of cannabis-induced psychosis increased.


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