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Related Experiment Videos

Reliability and construct validity of the needle sharing inventory.

M D Kipke1, E Drucker

  • 1Department of Epidemiology and Social Medicine, Montefiore Medical Center/Albert Einstein College of Medicine, Bronx, New York 10467.

The International Journal of the Addictions
|June 1, 1989
PubMed
Summary
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The Needle Sharing Inventory (NSI) reliably measures drug use and needle sharing behaviors. This validated tool can help develop interventions to prevent HIV spread among intravenous drug users (IVDUs).

Area of Science:

  • Addiction research
  • Public health
  • Psychometrics

Background:

  • Needle sharing among intravenous drug users (IVDUs) is a significant risk factor for HIV transmission.
  • Accurate assessment of needle sharing behaviors is crucial for developing effective prevention strategies.
  • Existing measures may not adequately capture the multifaceted nature of these behaviors.

Purpose of the Study:

  • To assess the reliability and construct validity of the Needle Sharing Inventory (NSI).
  • To evaluate the NSI's ability to measure behavior patterns associated with drug use and needle sharing.

Main Methods:

  • The NSI, a 59-item questionnaire, was administered to 80 IVDUs in a New York City methadone maintenance program.
  • Factor analysis was used to examine the underlying structure of the NSI.

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  • Internal consistency and correlations between factor scores and self-reported needle use were assessed.

    • Main Results:

    • Factor analysis identified 6 factors related to the social and emotional contexts of needle sharing, accounting for 71% of the variance.
    • The NSI demonstrated good internal consistency.
    • Factor scores significantly correlated with self-reported time spent using nonsterile needles and sharing needles.

    Conclusions:

    • The Needle Sharing Inventory (NSI) is a reliable and valid instrument for assessing needle sharing behaviors.
    • The NSI can be utilized in future research on intravenous drug use and needle sharing.
    • The NSI may aid in the development and evaluation of interventions to reduce HIV transmission.