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Differential responses to cannabis potency: a typology of users based on self-reported consumption behaviour.
Int J Drug Policy. 2007 May; 18(3):168-76.IJ

Abstract

AIMS

To determine whether a classification of cannabis users into different types can help to clarify the relationship between cannabis potency and consumption behaviour, harmful physical effects and psychological dependency.

METHODS

A field sample of 388 respondents was recruited who had smoked cannabis at least once in the past month. They were contacted and interviewed in 28 cannabis coffee shops located in five Dutch cities. Data were collected with an assisted self-completion questionnaire. Cluster analysis was performed using the k-means method.

FINDINGS

Various ways were observed in which cannabis users in natural settings adjusted their intake to the potency of the drug. Cluster analysis identified three broad types of cannabis users. The strongest high type was the youngest, consumed the highest monthly dose, inhaled higher-potency cannabis more deeply, and scored highest on psychological cannabis dependency. The consistent high type preferred milder cannabis, consumed the lowest monthly dose, and compensated for stronger cannabis by inhaling less deeply and smoking less. The steady quantity type was the oldest, usually smoked alone, consumed an intermediate monthly dose, and did not tend to adjust the depth of inhalation to the potency of the cannabis. The results suggest that this typology might also reflect three successive stages in the careers of continuing cannabis users.

CONCLUSIONS

Laboratory studies to assess the effects of higher THC concentrations on external and internal exposure to cannabis should allow for the possibility that the types of users studied can affect the results.

Authors+Show Affiliations

Bonger Institute of Criminology, University of Amsterdam, Amsterdam, The Netherlands.No affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

17689363

Citation

Korf, Dirk J., et al. "Differential Responses to Cannabis Potency: a Typology of Users Based On Self-reported Consumption Behaviour." The International Journal On Drug Policy, vol. 18, no. 3, 2007, pp. 168-76.
Korf DJ, Benschop A, Wouters M. Differential responses to cannabis potency: a typology of users based on self-reported consumption behaviour. Int J Drug Policy. 2007;18(3):168-76.
Korf, D. J., Benschop, A., & Wouters, M. (2007). Differential responses to cannabis potency: a typology of users based on self-reported consumption behaviour. The International Journal On Drug Policy, 18(3), 168-76.
Korf DJ, Benschop A, Wouters M. Differential Responses to Cannabis Potency: a Typology of Users Based On Self-reported Consumption Behaviour. Int J Drug Policy. 2007;18(3):168-76. PubMed PMID: 17689363.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Differential responses to cannabis potency: a typology of users based on self-reported consumption behaviour. AU - Korf,Dirk J, AU - Benschop,Annemieke, AU - Wouters,Marije, Y1 - 2006/09/25/ PY - 2006/06/19/received PY - 2006/08/14/accepted PY - 2007/8/11/pubmed PY - 2007/9/14/medline PY - 2007/8/11/entrez SP - 168 EP - 76 JF - The International journal on drug policy JO - Int J Drug Policy VL - 18 IS - 3 N2 - AIMS: To determine whether a classification of cannabis users into different types can help to clarify the relationship between cannabis potency and consumption behaviour, harmful physical effects and psychological dependency. METHODS: A field sample of 388 respondents was recruited who had smoked cannabis at least once in the past month. They were contacted and interviewed in 28 cannabis coffee shops located in five Dutch cities. Data were collected with an assisted self-completion questionnaire. Cluster analysis was performed using the k-means method. FINDINGS: Various ways were observed in which cannabis users in natural settings adjusted their intake to the potency of the drug. Cluster analysis identified three broad types of cannabis users. The strongest high type was the youngest, consumed the highest monthly dose, inhaled higher-potency cannabis more deeply, and scored highest on psychological cannabis dependency. The consistent high type preferred milder cannabis, consumed the lowest monthly dose, and compensated for stronger cannabis by inhaling less deeply and smoking less. The steady quantity type was the oldest, usually smoked alone, consumed an intermediate monthly dose, and did not tend to adjust the depth of inhalation to the potency of the cannabis. The results suggest that this typology might also reflect three successive stages in the careers of continuing cannabis users. CONCLUSIONS: Laboratory studies to assess the effects of higher THC concentrations on external and internal exposure to cannabis should allow for the possibility that the types of users studied can affect the results. SN - 1873-4758 UR - https://www.unboundmedicine.com/medline/citation/17689363/Differential_responses_to_cannabis_potency:_a_typology_of_users_based_on_self_reported_consumption_behaviour_ L2 - https://linkinghub.elsevier.com/retrieve/pii/S0955-3959(06)00185-X DB - PRIME DP - Unbound Medicine ER -