Elsevier

Journal of Infection

Volume 62, Issue 1, January 2011, Pages 59-66
Journal of Infection

Hepatitis A, B, C and HIV infections among Finnish female prisoners – Young females a risk group

https://doi.org/10.1016/j.jinf.2010.10.011Get rights and content

Summary

Objectives

Previous prison studies have shown that the female gender is associated with higher hepatitis C prevalence. However, there are few prison studies of gender differences concerning the risk factors of hepatitis C infections. We studied the prevalence of hepatitis and HIV infections and the risk factors among Finnish female prisoners.

Methods

The material consisted of 88 females and 300 male prisoners as controls.

Results

The prevalence of hepatitis C virus antibodies was 52%, hepatitis B surface antigen 0%, hepatitis A virus antibodies 38% and HIV antibodies 1% among women, and 44%, 0.7%, 4% and 0.7% respectively among men. Among women, 71% of the age group 16–24 had HCV. There was no significant association between gender and HCV. Women were more commonly sharing syringes/needles and had unsafe sexual habits. Among women, HCV was associated only with IDU and syringe/needle sharing whereas among men also with tattoos, cumulative years in prison and age.

Conclusions

Especially young females had a high prevalence of HCV. The study showed that the risk factors are differentiated by gender. This should be taken into account when assessing earlier studies which mainly concentrate on men.

Introduction

In most western countries women are a small but growing minority of prisoners, as is also in Finland (from 3.5% in 1993 to 7% in 2008).1 Very little is known of the health status of Finnish female prisoners. Prison studies conducted elsewhere show that women often have more health problems than male prisoners and they have many chronic and complex health conditions.2 Especially mental disorders, infectious diseases and illicit drug use are common among female inmates.2 Female prisoners are more severe drug users and experience more associated problems, according to a study by Holloway and Bennett.3 Female prisoners in the European Union are more likely to inject drugs than male prisoners.4 All in all, there are relatively few prison studies on the health-related problems and risk behaviour with a viewpoint on gender.

Intravenous drug use (IDU) presents a high risk for acquiring viral hepatitis and HIV infections among prisoner population5, 6, 7 and drug users.8, 9 In Finland, 80% of the intravenous drug users are hepatitis C positive.10 A recent meta-analysis among prisoners shows that in most studies the prevalence of HCV positivity has been 30–40%.11 An important source of the heterogeneity among prison studies is the diverse proportion of IDU. In the same meta-analysis, female gender was associated with HCV positivity (odds ratio 1.44 compared with men), which is in contrast with observations made from general population where HCV prevalence is usually higher among men.11 In different studies, the prevalence of HCV among female inmates has varied from 11% to 67%.6, 12, 13 The prevalence of HIV among female inmates has varied between 0 and 10% and the prevalence of hepatitis B virus core antigen (HBcAg) between 12 and 56%.5, 6, 7, 12, 14, 15

The presence of HCVAb and HBcAb (HBcAg antibody) has been associated with injecting drug use in prison and the number of previous imprisonments among male prisoners.6 According to Christensen and co-workers,16 among male Danish prisoners the duration of injecting drug use, number of imprisonments and injecting in prison were independently and positively associated with the presence of HBV antibodies among intravenous drug users (IDUs). Moreover, among prisoners, hepatitis C infection has been associated with age, tattooing and cumulative time of incarceration.11, 13, 14, 17, 18 These studies of HCV included both male and female inmates but the majority of subjects were men. Consequently, the results cannot be applied directly to females. In studies among male and female IDUs outside prison age and history of imprisonment were associated with hepatitis C seroconversion19 and syringe/needle sharing in prison was associated with hepatitis B, hepatitis C and HIV.20

In Finland, the health of female offenders was never before appropriately researched. We had the opportunity to do so in context of a larger prison health survey of Finnish prisoners in 2006. For the first time, the prevalence of viral hepatitis A, B, C and HIV infection and the markers of hepatic disease among Finnish female prisoners and the risk factors of these infections were assessed, and the results compared with those concerning male prisoners.

Section snippets

Sample

In 2006, a total of 101 Finnish female prisoners participated in the nationally comprehensive prison health survey. It comprised over 40% of female prisoners (the average number of female prisoners in Finland in 2006 was 246, details can be found in the Criminal Sanctions Agency database21). The number of foreign female prisoners is low in Finland (in 2006, approx. 4–5%) and they did not enter the study. The Finnish female prisoners came from Hämeenlinna prison and consisted of a sample (N

Results

Characteristics of the participants and the bivariate comparisons between women and men are presented in Table 1. The mean age was 34.9 ± 10.2 SD (standard deviation) years among females, and 33.8 ± 10.4 SD among males (P = n.s.). It was more common for female prisoners to be married or cohabiting, have children and come from a lower social class. The male prisoners had more previous sentences and had spent longer times in prison. The female offenders had experienced sexual abuse, shared

Discussion

The main findings of this study were that female prisoners had high prevalence of HCV and intravenous drug use. Compared to men, females were more commonly prone to risk behaviour like syringe/needle sharing and unsafe sexual habits. The risk factors associated with HCV had gender differences. Hepatitis C was especially common among young females, which can cause continuous problems in the future. In both genders, HIV prevalence was on the same level as among Finnish IDUs.

Finnish prisoners had

Declaration of interest

None.

Acknowledgements

Funding for this study was provided by the Ministry of Justice (Finland) with no further role in the research process. Pirkanmaa Hospital District provided funding for the first author to analyze the data and write the paper.

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