Quantifying hepatitis C transmission risk using a new weighted scoring system for the Blood-Borne Virus Transmission Risk Assessment Questionnaire (BBV-TRAQ): Applications for community-based HCV surveillance, education and prevention
2008

New Scoring System for Assessing Hepatitis C Transmission Risk

Sample size: 450 publication Evidence: moderate

Author Information

Author(s): Mark A Stoové, Craig L Fry, Nick Lintzeris

Primary Institution: Macfarlane Burnet Institute for Medical Research and Public Health

Hypothesis

The study examines the properties of a new weighted BBV-TRAQ designed to quantify HCV transmission risk among injecting drug users.

Conclusion

The weighted BBV-TRAQ enhances the utility of the questionnaire for community-based education and prevention of HCV transmission.

Supporting Evidence

  • The weighted BBV-TRAQ produced promising predictive validity results among IDU based on self-report HCV status.
  • Internal reliability for the total BBV-TRAQ was good, with a standardized item alpha of .89.
  • Log five weighted scores were able to discriminate between HCV positive and negative IDU.

Takeaway

This study created a new way to measure how likely it is for people who use drugs to get hepatitis C, which can help in teaching them how to stay safe.

Methodology

Cross-sectional surveys of Australian injecting drug users were analyzed to generate normative data and explore the properties of a weighted BBV-TRAQ.

Potential Biases

Self-reporting may introduce bias in the accuracy of HCV status and risk behaviors.

Limitations

The study relied on self-reported HCV status, which may not be entirely accurate, and the cross-sectional design limits causal inferences.

Participant Demographics

{"percentage_male":57,"mean_age":27.8,"employment":{"employed":22,"unemployed":66},"mean_years_since_first_injection":9.5,"drug_most_injected":{"heroin":71,"amphetamines":22},"self_report_BBV_status":{"HCV_positive":45,"HCV_negative":42,"never_tested":13}}

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1477-7517-5-12

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