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ABSTRACT: Aims
We aimed to investigate the association between being an immigrant and long-term prescription opioid use in Norway in 2010-2019.Methods
Nested case-control study. The cases were all persons 18 years of age or older with long-term opioid use - that is, the use of prescription opioids longer than 3 months (N=215,642). Cases were matched to four controls who filled at least one opioid prescription, but never developed long-term opioid use in the study period (N=862,568) on sex, age and year of starting long-term/short-term opioid use. Being an immigrant was defined as being born outside of Norway to two foreign-born parents and four foreign-born grandparents. Adjusting for socioeconomic variables and clinical confounders, analyses were stratified on three ag
SUBMITTER: Nestvold HH
PROVIDER: S-EPMC12598078 | biostudies-literature | 2025 Nov
REPOSITORIES: biostudies-literature