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Related Experiment Video

Updated: May 28, 2026

Measuring Frailty in HIV-infected Individuals. Identification of Frail Patients is the First Step to Amelioration and Reversal of Frailty
05:53

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Adolescents' Knowledge about HIV/AIDS: One Dimensional or Two Dimensional? A Confirmatory Factor Analysis.

R Jakobsen1, J Rise

  • 1University of Bergen, Norway.

Journal of Health Psychology
|October 21, 2011
PubMed
Summary

Adolescents possess distinct knowledge of how HIV is transmitted versus how it is not transmitted. This finding impacts health education strategies for preventing HIV transmission.

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Area of Science:

  • Adolescent Health
  • Public Health
  • Psychology of Health

Background:

  • Understanding adolescents' knowledge of HIV transmission is crucial for effective health education.
  • Previous research has not clearly distinguished between knowledge of transmission and non-transmission routes.

Purpose of the Study:

  • To investigate the dimensionality of adolescents' knowledge regarding HIV transmission.
  • To compare a two-factor model against a one-factor model of HIV transmission knowledge.

Main Methods:

  • Confirmatory factor analysis (LISREL) was employed.
  • Longitudinal data from a Norwegian health behavior study (1990 and 1992) were analyzed.
  • 12 items assessing knowledge of HIV transmission in various situations were used.

Main Results:

  • The two-factor model demonstrated a significantly better fit to the data than the one-factor model.
  • Adolescents' knowledge of how HIV is transmitted is empirically distinct from knowledge of how it is not transmitted.

Conclusions:

  • Adolescent knowledge of HIV transmission is not a single construct.
  • Health education messages should differentiate between transmission and non-transmission information for greater impact.