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Legalisation of sex work associated with lower prevalence of HIV in sex workers

Monday, 03 April 2017 Author // Guest Authors - Revolving Door Categories // Social Media, As Prevention , Treatment Guidelines -including when to start, General Health, Women, Research, Sexual Health, Health, International , Legal, Treatment, Media, Revolving Door, Guest Authors

From AIDSmap, Roger Pebody reports on a study suggesting that legalization of some aspects of sex work might help reduce HIV prevalence in this high-risk group.

Legalisation of sex work associated with lower prevalence of HIV in sex workers

Countries that have legalized some aspects of sex work have fewer sex workers living with HIV than countries that criminalize all aspects of sex work, according to an ecological analysis of 27 European countries published online ahead of print in The Lancet HIV.

The association remained statistically significant after adjustment for countries’ economic development, HIV prevalence, antiretroviral therapy coverage and proportion of sex workers who inject drugs.

“Our findings suggest that the legalization of some aspects of sex work might help reduce HIV prevalence in this high-risk group, particularly in countries where the judiciary is effective and fair,” say Aaron Reeves and colleagues.

Although the prevalence of HIV tends to be higher in sex workers than in the general population, prevalence varies between European countries, suggesting that structural factors might play a part.

Structural determinants of HIV risk include sex work policy, particularly laws that criminalize buying, selling, or procuring sex. They may increase HIV risk through recurrent police harassment, violence, and arrests or fear of arrests of female sex workers or clients, which can perpetuate unsafe working conditions, drug use risks, and physical or sexual violence against sex workers without recourse. Such insecurity can make it more difficult for sex workers to negotiate condom use, especially if condoms can be used as evidence in judicial proceedings.

27 European countries

The researchers say they are the first to take advantage of the diversity of legal frameworks between European countries “to test the hypothesis that legalisation of some aspects of sex work is associated with decreased HIV prevalence among sex workers when compared with countries that retain criminal laws”.

Data come from 27 countries in which the European Centre for Disease Prevention and Control have an estimate of the proportion of sex workers living with HIV. Although two countries’ estimates do include male sex workers, their numbers are so small that the analysis essentially pertains to female sex workers.

In one group of countries, such as Lithuania and Romania, all aspects of sex work are criminalized.

In another group of countries, including the UK, Italy and Bulgaria, the buying and selling of sex has been legalized, but procurement through brothels or pimping is criminalized.

In addition, two countries in the data set, Sweden and Norway, have legalized selling sex but have criminalized buying sex. Despite the intent of this ‘Nordic model’ to shift criminalization from sex workers to customers, many advocates say that it continues to make sex workers vulnerable.

Finally, one country – Germany – has legalised most forms of sex work and regulated the industry.

The researchers also investigate whether more effective and fair law enforcement mediates the relation between sex work policy and HIV prevalence. They use a World Bank indicator of the rule of law in countries, which captures the confidence the general population has in the effectiveness and fairness of the judiciary and police. However, this indicator does not specifically measure sex workers’ experience of policing.

The researchers used ecological linear regression models to test the possible relationships.

Findings

In countries where sex work is partly legalised, sex worker HIV prevalence was lower than in countries where sex work is criminalised (β= -2.09). Specifically, the average prevalence in ten countries where the practice is illegal was 4.0%, compared to 0.5% in 17 countries where some aspects of sex work have been legalised.

HIV prevalence remained lower in countries that legalise some aspects of sex work after adjusting for gross domestic product (β= -1.86) and after adjusting for the prevalence of injecting drug use among sex workers (β= -1.93). Neither GDP nor the proportion of sex workers who inject drugs was associated with HIV prevalence after controlling for sex work policy.

Germany, the one country which has legalised all aspects of sex work had a lower prevalence (after adjustment) than countries with more restrictive policies, although it is hard to generalise on the basis of one case. It is also hard to draw specific conclusions about the two ‘Nordic model’ countries, especially as data were collected in Norway before the introduction of this law in 2009.

Effective and fair law enforcement did not make any difference to these associations in countries which criminalise all aspects of sex work. But effective and fair law enforcement was associated with a lower HIV prevalence in countries that have legalised some aspects of sex work (β= -0.63). This suggests that legalisation in a context of the effective rule of law makes the most difference to sex workers' health.

To check that the findings were not skewed, a series of sensitivity analyses were done. The results did not qualitatively change.

Interpretation

Aaron Reeves and colleagues say that their findings are consistent with other studies that report that the removal of criminal laws protects sex workers, allowing them to enter the formal economy, to benefit from social insurance, and to receive protection from law enforcement. This may help increase access to condoms, reduce the risk of violence and empower sex workers in condom negotiation.

They also acknowledge the limitations of their study – in particular weaknesses in the data sources that can be analysed, including a lack of detailed data on how sex work laws and policies are implemented.

But in a linked comment article, Marie-Claude Boily and Kate Shannon commend the researchers for attempting to disentangle the independent effects of the law and enforcement. “Despite its limitations, this study provides useful ecological-level data across many European countries that should raise caution for governments and policy makers considering criminalised or end-demand models,” they say.

References

Reeves A et al. National sex work policy and HIV prevalence among sex workers: an ecological regression analysis of 27 European countries. The Lancet HIV, online ahead of print, 2017.

Boily MC & Shannon K. Criminal law, sex work, HIV: need for multi-level research. The Lancet HIV, online ahead of print, 2017. 

This article by Roger Pebody previously appeared at AIDSmap.com, here.

About the Author

Guest Authors - Revolving Door

Guest Authors - Revolving Door

The Revolving Door is the place where we publish occasional articles by guest writers. If you would like to submit an article for publication, please contact editor Bob Leahy at editor@positivelite.com
 
 

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