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Does the Risk Premium Differ Between Women Engaging in Commercial and Transactional Sex? Evidence From Urban Cameroon
Rebecca G Njuguna1, Henry Cust2,3,
1Health Economics Research Centre, Nuffield Department of Population Health, University of Oxford, Oxford, UK.
Health Economics
|June 13, 2025
Summary
Female sex workers (FSWs) may receive higher payment for unprotected sex, but women in transactional sex relationships may not. This difference, linked to HIV awareness, impacts HIV incidence in young African women.
Area of Science:
- Social and Behavioral Sciences
- Public Health
- Epidemiology
Background:
- Female sex workers (FSWs) often receive economic incentives for engaging in risky sexual behaviors.
- Transactional sex, defined as non-commercial relationships involving exchange of sex for material support, shares potential economic drivers with commercial sex work.
- Understanding the economic factors influencing sexual behaviors is crucial for public health interventions, particularly concerning HIV transmission.
Purpose of the Study:
- To empirically investigate the economic incentives associated with condomless sex among FSWs and women in transactional sex relationships in Cameroon.
- To compare the 'premium' or 'discount' for condomless sex between FSWs and women in transactional sex.
- To explore qualitative explanations for observed differences in sexual risk-taking behavior.
Main Methods:
- Utilized longitudinal datasets with up to six sex acts per participant, stratified by FSWs and women in transactional sex.
- Employed quantitative analysis to determine the economic premium/discount for condomless sex.
- Conducted qualitative analysis to understand the underlying reasons for behavioral differences.
Main Results:
- Confirmed a 30% condomless risk premium for FSWs, consistent with existing literature.
- Provided the first empirical evidence of a 14% discount for condomless sex among women in transactional sex relationships.
- Qualitative findings suggested a lack of HIV awareness and the interpretation of risky sex as trust-building in transactional relationships.
Conclusions:
- Significant economic differences exist in condomless sex incentives between FSWs and women in transactional sex.
- Lower HIV awareness and relationship dynamics may explain the discount for condomless sex in transactional relationships.
- These findings offer insights into the disproportionate HIV burden among young women in sub-Saharan Africa.
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