Revue d'epidemiologie et de sante publique · 2010
[Psychosocial determinants of drug users to use a new syringe].
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Bertard M-C, Gagné C, Mercure S-A, Gagnon M, Godin G, Côté F
Аннотация
BACKGROUND: A limited number of injection drug users are hard to reach through needle-exchange programs. They obtain their injection material from drug-using peers. This dependence on others can make them more at risk of contracting HIV through sharing non-sterile syringes. The aim of this study is to identify determinants of the intention to systematically resort to use of a new syringe by injection drug users rarely or never involved in needle-exchange programs in Quebec.
METHODS: A cross-sectional survey was conducted in Québec city by means of a questionnaire measuring variables from the theory of planned behavior and past behavior. Participants (n=97) were recruited by acquaintances who kept regular contacts with the local needle-exchange programs. Multiple linear regression was used to identify the psychosocial determinants of the intention, and beliefs underlying those determinants were identified using multiple logistic regression.
RESULTS: Half of participants reported using a new syringe for each injection in the last month. In multivariate analyses, this past behavior together with theory of planned behavior constructs explained 70% of the variation in participants intent to use a new syringe for each injection (control beliefs: beta=0.39; past behavior: beta=0.27; attitude: beta=0.21; perceived behavioral control: beta=0.20; subjective norm: beta=0.12). In logistic regression, six important beliefs were identified.
CONCLUSION: This study resulted in the development of a predictive model of intention to use always a new syringe for each injection among a population of injection drug users in Quebec. Study results could serve as the foundation for the development of interventions to promote this behavior.
METHODS: A cross-sectional survey was conducted in Québec city by means of a questionnaire measuring variables from the theory of planned behavior and past behavior. Participants (n=97) were recruited by acquaintances who kept regular contacts with the local needle-exchange programs. Multiple linear regression was used to identify the psychosocial determinants of the intention, and beliefs underlying those determinants were identified using multiple logistic regression.
RESULTS: Half of participants reported using a new syringe for each injection in the last month. In multivariate analyses, this past behavior together with theory of planned behavior constructs explained 70% of the variation in participants intent to use a new syringe for each injection (control beliefs: beta=0.39; past behavior: beta=0.27; attitude: beta=0.21; perceived behavioral control: beta=0.20; subjective norm: beta=0.12). In logistic regression, six important beliefs were identified.
CONCLUSION: This study resulted in the development of a predictive model of intention to use always a new syringe for each injection among a population of injection drug users in Quebec. Study results could serve as the foundation for the development of interventions to promote this behavior.