Trial document




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  DRKS00014307

Trial Description

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Title

Predictors of cannabis use: A retrospective cohort study

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Trial Acronym

[---]*

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URL of the Trial

http://www.ift-nord.de/cannabis-studie/

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Brief Summary in Lay Language

A retrospective survey of life events and individual factors to assess the impact of preventive measures and legal proceedings on cannabis use among German adults. The online questionnaire is advertised via social media.

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Brief Summary in Scientific Language

This nationwide retrospective cohort study examines past exposures and current outcome indicators. The exposure factors include investigations of violations of the BtMG, other offenses, license withdrawal, socio-economic status in adolescence, parental attitudes and behavior, participation in preventive measures (e.g. FreD, Cannabis-Präventions-Parcours), awareness and use of the health care system. Outcome indicators include current cannabis use (quantity, frequency, clinical screening), retrospective cannabis use (quantity, frequency), other drug use, educational attainment, employment status, mental and social health, and knowledge about cannabis.

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Organizational Data

  •   DRKS00014307
  •   2018/03/21
  •   [---]*
  •   yes
  •   Approved
  •   RH 112017, Deutsche Gesellschaft für Psychologie (DGPs) Marienstraße 30 10117 Berlin https://www.dgps.de/
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Secondary IDs

  • [---]*
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Health Condition or Problem studied

  •   F12.XX
  •   F12 -  Mental and behavioural disorders due to use of cannabinoids
  •   F12.0 -  Mental and behavioural disorders due to use of cannabinoids; Acute intoxication
  •   F12.1 -  Mental and behavioural disorders due to use of cannabinoids; Harmful use
  •   F12.3 -  Mental and behavioural disorders due to use of cannabinoids; Withdrawal state
  •   F12.4 -  Mental and behavioural disorders due to use of cannabinoids; Withdrawal state with delirium
  •   F12.5 -  Mental and behavioural disorders due to use of cannabinoids; Psychotic disorder
  •   F12.6 -  Mental and behavioural disorders due to use of cannabinoids; Amnesic syndrome
  •   F12.7 -  Mental and behavioural disorders due to use of cannabinoids; Residual and late-onset psychotic disorder
  •   F12.8 -  Mental and behavioural disorders due to use of cannabinoids; Other mental and behavioural disorders
  •   F12.9 -  Mental and behavioural disorders due to use of cannabinoids; Unspecified mental and behavioural disorder
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Interventions/Observational Groups

  •   This public nationwide online survey examines the following questions: What are natural trajectories of cannabis use? Which effects have preventive measures and legal proceedings on cannabis use and on other indicators like quality of life and mental health? Which other factors influence cannabis use trajectories? How much do cannabis users in Germany know about cannabis and its effects, and which sources of information do they use (e.g., school, peer group, internet)?
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Characteristics

  •   Non-interventional
  •   Observational study
  •   Other
  •   Open (masking not used)
  •   [---]*
  •   Other
  •   Other
  •   Other
  •   N/A
  •   N/A
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Primary Outcome

The primary outcome of this public nationwide study about cannabis use is measured by online questionnaire completion; one-time participation, duration: 15 min.

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Secondary Outcome

[---]*

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Countries of Recruitment

  •   Germany
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Locations of Recruitment

  • other 
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Recruitment

  •   Actual
  •   2018/03/02
  •   5000
  •   Monocenter trial
  •   National
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Inclusion Criteria

  •   Both, male and female
  •   18   Years
  •   no maximum age
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Additional Inclusion Criteria

age

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Exclusion Criteria

age <18 years

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Addresses

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    • IFT-Nord gGmbH Iinstitut für Therapie- und Gesundheitsforschung
    • Mr.  Prof. Dr.  Reiner  Hanewinkel 
    • Harmsstraße 2
    • 24114  Kiel
    • Germany
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    • IFT-Nord gGmbH Institut für Therapie- und Gesundheitsforschung
    • Mr.  Prof. Dr.  Reiner  Hanewinkel 
    • Harmsstraße 2
    • 24114  Kiel
    • Germany
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    • IFT-Nord gGmbH Institut für Therapie- und Gesundheitsforschung
    • Ms.  Dipl.-Psych.  Ann-Kathrin  Seidel 
    • Harmsstraße 2
    • 24114  Kiel
    • Germany
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Sources of Monetary or Material Support

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    • Land Schleswig-HolsteinMinisterium für Soziales, Gesundheit, Jugend, Familie und Senioren (MSGJFS)
    • Ms.  Angelika  Bähre 
    • Adolf-Westphal-Str. 4
    • 24143  Kiel
    • Germany
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    •   [---]*
    •   [---]*
    •   [---]*
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Status

  •   Recruiting complete, follow-up complete
  •   2018/04/27
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Trial Publications, Results and other Documents

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* This entry means the parameter is not applicable or has not been set.