• Levels of mental distress over 18 years after entering treatment for substance use disorders: A longitudinal cohort study 

      Hjemsæter, Arne Jan; Bramness, Jørgen Gustav; Drake, Robert; Skeie, Ivar; Monsbakken, Bent Berntsen; Saltyte Benth, Jurate; Landheim, Anne (Journal article; Tidsskriftartikkel; Peer reviewed, 2020-08-17)
      <i>Aims:</i> The aims were to investigate whether baseline characteristics and problematic substance use were related to change in mental distress over time in patients with substance use disorders during an 18-year period.<p> <p><i>Method:</i> This was a prospective, longitudinal study of patients followed for 18 years after entering specialised treatment for substance use disorders. A sample ...
    • Mortality, cause of death and risk factors in patients with alcohol use disorder alone or poly-substance use disorders: a 19-year prospective cohort study 

      Hjemsæter, Arne Jan; Bramness, Jørgen Gustav; Drake, Robert; Monsbakken, Bent Berntsen; Saltyte Benth, Jurate; Landheim, Anne (Journal article; Tidsskriftartikkel; Peer reviewed, 2019)
      <p><i>Background - </i>This study investigated cause of death, mortality rates and explored if baseline characteristics were associated with risk of death in patients with alcohol use disorder alone or poly-substance use disorders. <p><i>Methods - </i>This was a prospective, longitudinal study of patients followed for 19 years after entering specialized treatment for substance use disorders. At ...
    • Predictors of problematic substance use 18 years after treatment: a longitudinal cohort study of persons with substance use disorders 

      Hjemsæter, Arne Jan; Bramness, Jørgen Gustav; Drake, Robert; Skeie, Ivar; Monsbakken, Bent Berntsen; Thoresen, Magne; Landheim, Anne (Journal article; Tidsskriftartikkel; Peer reviewed, 2019-06-21)
      <i>Objective</i>: To examine the extent of substance use and explore which baseline factors predicted current problematic substance use 18 years after treatment in surviving patients. <p> <p><i>Methods</i>: This longitudinal cohort study used a mailed self-report questionnaire on a group of patients with long-term problematic substance use, and high psychiatric comorbidity, 18 years after they ...