Associations between sexual behaviour change in young people and decline in HIV prevalence in Zambia
2007

Changes in Sexual Behavior and HIV Prevalence in Young Zambians

Sample size: 2637 publication 10 minutes Evidence: high

Author Information

Author(s): Ingvild F. Sandøy, Charles Michelo, Seter Siziya, Knut Fylkesnes

Primary Institution: Centre for International Health, University of Bergen

Hypothesis

Is the decline in HIV prevalence among young people in Zambia associated with changes in sexual behavior?

Conclusion

High risk behaviors decreased among young people, particularly in higher-educated and urban groups, likely contributing to the decline in HIV prevalence.

Supporting Evidence

  • HIV prevalence among young people declined by 44% to 90% from 1995 to 2003.
  • Condom use increased significantly among higher-educated groups.
  • Fewer sexual partners were reported by young people in urban areas.
  • Delays in child-bearing were observed particularly among higher-education respondents.
  • Men and lower-education groups reported more sexual partners than women and higher-education groups.

Takeaway

Young people in Zambia are having safer sex and using condoms more, which is helping to lower the number of people with HIV.

Methodology

The study analyzed data from three population-based surveys conducted in 1995, 1999, and 2003, using logistic regression and chi-square tests.

Potential Biases

Self-reported sexual behavior may be subject to social desirability bias, particularly among women.

Limitations

The study is limited to selected communities in Zambia, which may not represent the entire country.

Participant Demographics

Participants were young people aged 15-24 years from urban and rural areas in Zambia.

Statistical Information

P-Value

p<0.001

Confidence Interval

95% CI 0.35–0.45

Statistical Significance

p<0.01

Digital Object Identifier (DOI)

10.1186/1471-2458-7-60

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