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OBJECTIVE: Individuals with chronic psychotic disorders are overrepresented in correctional facilities, but little is known about factors that increase the risk of correctional involvement. The objective of this study was to compare individuals with chronic psychotic disorders who were released from correctional facilities in Ontario to individuals with chronic psychotic disorders but no correctional involvement on sociodemographic, clinical, and prior mental health-related health service utilization characteristics. METHOD: All individuals with chronic psychotic disorders who were released from a provincial correctional facility in Ontario in 2010 were matched (1:2) by age and sex to Ontario residents with chronic psychotic disorders and no correctional involvement. Covariates included sociodemographic (rural residence, marginalization such as residential instability quintile, material deprivation quintile, dependency quintile, and ethnic concentration quintile) and clinical (duration of chronic psychotic disorder and comorbidities) characteristics, and mental health-related health service utilization characteristics (primary care physician, psychiatrist and emergency department visits, and hospitalizations) 1 and 3 years prior to correctional involvement. The association between correctional involvement and prior health service utilization was measured by estimating incidence rate ratios using Poisson and negative-binomial regressions. RESULTS: Individuals with correctional involvement (N = 3,197) lived in neighbourhoods with higher material deprivation and residential instability, and had a shorter duration of illness, and more psychosocial comorbidities (e.g., behavioural issues and depression) than individuals without correctional involvement (N = 6,393). Adjusting for sociodemographic and clinical variables, individuals with correctional involvement had a higher rate of mental health-related primary care physician visits, emergency department visits, and hospitalizations but a lower rate of psychiatrist visits prior to correctional involvement, compared to individuals without correctional involvement. CONCLUSIONS: Despite higher mental health-related comorbidities and higher rates of accessing acute mental health services among individuals with chronic psychotic disorders and correctional involvement, visits to psychiatrists prior to involvement were low.
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Trastornos Psicóticos , Humanos , Ontario/epidemiología , Estudios de Casos y Controles , Trastornos Psicóticos/epidemiología , Trastornos Psicóticos/terapia , Salud Mental , Aceptación de la Atención de Salud , Enfermedad Crónica , Servicio de Urgencia en HospitalRESUMEN
OBJECTIVE: In the context of mass incarceration and the opioid toxicity crisis in North America, there is a lack of data on the burden of opioid toxicity deaths in Black persons who experience incarceration. We aimed to describe absolute and relative opioid toxicity mortality for Black persons who experienced incarceration in Ontario, Canada between 2015 and 2020. METHODS: We linked data for all persons incarcerated in provincial correctional facilities and all persons who died from opioid toxicity in Ontario between 2015 and 2020, and accessed public data on population sizes. We described the characteristics of Black persons who were incarcerated and died from opioid toxicity, and calculated absolute mortality rates, as well as age-standardized mortality rates compared with all persons in Ontario not incarcerated during this period. RESULTS: Between 2015 and 2020, 0.9% (n = 137) of 16,177 Black persons who experienced incarceration died from opioid toxicity in custody or post-release, for an opioid toxicity death rate of 0.207 per 100 person years. In the two weeks post-release, the opioid toxicity death rate was 1.34 per 100 person years. Standardized for age and compared with persons not incarcerated, the mortality ratio (SMR) was 17.8 (95%CI 16.4-23.1) for Black persons who experienced incarceration. CONCLUSIONS: We identified a large, inequitable burden of opioid toxicity death for Black persons who experience incarceration in Ontario, Canada. Work is needed to support access to culturally appropriate prevention and treatment in custody and post-release for persons who are Black, and to prevent incarceration and improve determinants of health.
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Trastornos Relacionados con Opioides , Prisioneros , Humanos , Analgésicos Opioides/efectos adversos , Ontario/epidemiología , Prisiones , Trastornos Relacionados con Opioides/epidemiologíaRESUMEN
BACKGROUND: There is little research with people who experience intellectual/developmental disabilities and imprisonment. METHODS: The study linked health and correctional data to examine prevalence of intellectual/developmental disabilities and health and correctional characteristics among adults experiencing their first federal incarceration between 1 January 2002 and 31 December 2011 (n = 9278) and two non-incarcerated groups (n = 10,086,802). RESULTS: The prevalence of intellectual/developmental disabilities was 2.1% in the incarcerated group and 0.9% in the non-incarcerated group. Before incarceration, those with, versus without, intellectual/developmental disabilities were at greater risk of traumatic brain injury, mental illness, and substance use disorders. While incarcerated, those with intellectual/developmental disabilities were more likely to incur serious institutional disciplinary charges. Post-incarceration, persons with intellectual/developmental disabilities were at greater risk of emergency department visits, and psychiatric and acute hospitalizations, than the non-incarcerated groups. CONCLUSIONS: People with intellectual/developmental disabilities are overrepresented in Canadian federal correctional institutions. The authors offer strategies to support people prior to, during, and post-incarceration.
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Discapacidad Intelectual , Prisioneros , Adulto , Niño , Instalaciones Correccionales , Discapacidades del Desarrollo/epidemiología , Humanos , Discapacidad Intelectual/epidemiología , Ontario/epidemiología , PrevalenciaRESUMEN
OBJECTIVES: Individuals with schizophrenia are overrepresented in correctional facilities relative to their population-based prevalence. The purpose of this study was to determine the rate and predictors of reincarceration of individuals with schizophrenia after release from correctional facilities. METHODS: This was a retrospective cohort study that included all people released from Ontario's provincial correctional facilities from January 1 to December 31, 2010. Individuals with schizophrenia were identified using a population-based algorithm. The primary outcome was time to reincarceration. Covariates included sociodemographic characteristics (age, sex, neighborhood income quintile, urban/rural residence), health service utilization (primary care physician visits, psychiatrist visits, psychiatric and nonpsychiatric hospitalizations, emergency department visits), and other clinical comorbidity. Survival analysis was used to examine the association between schizophrenia and reincarceration. RESULTS: Among 46,928 individuals, N = 3,237 (7%) had a diagnosis of schizophrenia. Approximately 67.5% of these individuals were reincarcerated within 5 years following their first release in 2010, compared to 58.8% of individuals without schizophrenia. Individuals with schizophrenia were 40% (HR = 1.39, 95% CI, 1.33 to 1.45) more likely to be reincarcerated following release than the control group after adjusting for demographic characteristics. This association reduced to 8% (HR = 1.08, 95% CI,1.03 to 1.14) after adjusting for prior health service utilization, prior correctional involvement, and comorbidities. CONCLUSION: Individuals with schizophrenia were more likely to experience reincarceration after release from correctional facilities. This risk is partly explained by prior correctional involvement, health service utilization, and comorbidities. Future research should focus on risk factors predicting the higher reincarceration rate and interventions to reduce correctional involvement.
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Médicos de Atención Primaria , Esquizofrenia , Humanos , Ontario/epidemiología , Prevalencia , Estudios Retrospectivos , Esquizofrenia/epidemiologíaRESUMEN
We examined HIV care and treatment in prison and after release for people with HIV in Ontario, Canada, and compared HIV care and treatment with the general population. We used administrative data to identify people with HIV released from provincial prison in 2010 and in the general population. We calculated the proportion of people with HIV who accessed HIV care in prison. We compared HIV care use between people with HIV on prison release and in the general population. We estimated the proportion of people with HIV on antiretroviral therapy in prison as the ratio of the average numbers of people prescribed antiretroviral therapy in prison in 2009/2010 and people with HIV in prison in January 2010. We compared the proportion of people with HIV on public drug benefits that filled an antiretroviral therapy prescription within 6 months for people postrelease and in the general population. Of 344 people with HIV on prison admission, 34.0% received HIV care in prison. Over 1 year, 63.6% of 330 people with HIV on prison release and 67.7% of 15,819 people with HIV in the general population accessed HIV care (p = 0.118), and 43.3% of people with HIV on prison release and 55.2% of people with HIV in the general population had 2 or more HIV care visits (p < 0.001). In prison, 52.4% of people with HIV (39.5/75.4) were on antiretroviral therapy. Of those accessing drug benefits, 60.1% of 226 people with HIV on prison release and 79.6% of 7458 people with HIV in the general population claimed an antiretroviral therapy prescription within 6 months (p < 0.001). Access to HIV care and treatment were suboptimal in prison, and sustained HIV care and treatment were worse for people post-release compared to the general population. Interventions are needed to support HIV care for this population.
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Infecciones por VIH , Prisioneros , Prisiones , Infecciones por VIH/tratamiento farmacológico , Humanos , Ontario , Estudios RetrospectivosRESUMEN
OBJECTIVE: To describe the population-level risk of infant and maternal outcomes for women who experience imprisonment and compare outcomes with the general population. METHODS: We conducted a retrospective cohort study. We used linked correctional and health data for women released from provincial prisons in 2010. We defined three exposure groups for Ontario singleton deliveries from 2005-2015: deliveries to women who were in prison during pregnancy but not necessarily for delivery, prison pregnancies; deliveries to women who had been in prison but not while pregnant, prison controls; and general population deliveries. We compared groups using generalized estimating equations. Primary outcomes were preterm birth, low birth weight, and small for gestational age birth weight. Secondary outcomes included NICU admission, neonatal abstinence syndrome, placental abruption, and preterm prelabour rupture of membranes. RESULTS: In prison pregnancies (nâ¯=â¯544) and prison controls (nâ¯=â¯2156), respectively, preterm birth risk was 15.5% and 12.5%, low birth weight risk was 13.0% and 11.6%, and small for gestational age birth weight risk was 18.1% and 19.2%. Adjusted for maternal age and parity and compared with general population deliveries (Nâ¯=â¯1 284 949), odds ratios were increased for prison pregnancies and prison controls, respectively, at 2.7 (95% CI 2.2-3.4) and 2.1 (95% CI 1.9-2.4) for preterm birth, 3.1 (95% CI 2.4-3.9) and 2.7 (95% CI 2.3-3.1) for low birth weight, and 1.6 (95% CI 1.3-2.1) and 1.8 (95% CI 1.6-2.0) for small for gestational age birth weight. CONCLUSION: There is an increased risk of adverse infant outcomes in women who experience imprisonment compared with the general population, whether they are in prison during pregnancy or not.
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Complicaciones del Embarazo/epidemiología , Nacimiento Prematuro/epidemiología , Prisioneros/psicología , Adolescente , Adulto , Femenino , Humanos , Lactante , Recién Nacido , Recién Nacido Pequeño para la Edad Gestacional , Ontario/epidemiología , Embarazo , Resultado del Embarazo/epidemiología , Atención Prenatal , Prisiones , Estudios Retrospectivos , Adulto JovenRESUMEN
People who experience imprisonment have worse health status than other Ontarians - about 40% lack access to primary care in the community, and the period after release from prison is associated with high risks of adverse health outcomes. Population-based correctional and health administrative data suggest that access to quality healthcare in prison and in the community needs to improve if we are to improve population health and deliver on healthcare obligations to people experiencing imprisonment.
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Accesibilidad a los Servicios de Salud/estadística & datos numéricos , Estado de Salud , Prisioneros/estadística & datos numéricos , Accesibilidad a los Servicios de Salud/organización & administración , Disparidades en Atención de Salud , Humanos , Ontario , Atención Primaria de Salud , Calidad de la Atención de SaludRESUMEN
OBJECTIVE: We aimed to describe interactions between police and persons who experience homelessness and serious mental illness and explore whether housing status is associated with police interactions. METHOD: We conducted a secondary analysis of 2008 to 2013 data from the Toronto, Canada, site of the At Home/Chez Soi study. Using police administrative data, we calculated the number and types of police interactions, the proportion of charges for acts of living and administration of justice, and the proportion of occurrences due to victimization, involuntary psychiatric assessment, and suicidal behavior. Using generalized estimating equations, we estimated the odds of police interaction by housing status. RESULTS: This study included 547 adults with mental illness who were homeless at baseline. In the year prior to randomization, 55.8% of participants interacted with police, while 51.7% and 43.0% interacted with police in Study Years 1 and 2, respectively. Of 2,228 charges against participants, 12.6% were due to acts of living and 21.2% were for administration of justice. Of 518 occurrences, 41.1% were for victimization, 45.6% were for mental health assessment, and 22.2% were for suicidal behavior. The odds of any police interaction during the past 90 days was 47% higher for those who were homeless compared to those who were stably housed (95% CI 1.26 to 1.73). CONCLUSIONS: For people who experience homelessness and mental illness in Toronto, Canada, interactions with police are common. The provision of stable housing and changes in policy and practice could decrease harms and increase health benefits associated with police interactions for this population.
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Víctimas de Crimen/estadística & datos numéricos , Personas con Mala Vivienda/estadística & datos numéricos , Enfermos Mentales/estadística & datos numéricos , Policia/estadística & datos numéricos , Intento de Suicidio/estadística & datos numéricos , Población Urbana/estadística & datos numéricos , Adulto , Femenino , Humanos , Masculino , Persona de Mediana Edad , Ontario , Estudios ProspectivosRESUMEN
BACKGROUND: Accessing HIV-related care is challenging for formerly incarcerated people with HIV. Interventions informed by the perspectives of these individuals could facilitate engagement with care and address competing priorities that may act as barriers to this process. METHODS: We used concept mapping to identify and prioritize the main obstacles to engaging with HIV-related care following prison release. In brainstorming sessions, formerly incarcerated people with HIV generated responses to a focused prompt regarding the main barriers to reengaging with care. These were consolidated in 35 statements. Next, participants sorted the consolidated list of responses into groups and rated each from lowest to highest in terms of its importance and feasibility of being addressed. We used cluster analysis to generate concept maps that were interpreted with participants. RESULTS: Overall, 39 participants participated in brainstorming sessions, among whom 18 returned for rating and sorting. Following analysis, a seven-cluster map was generated, with participants rating the 'Practical Considerations' (e.g. lack of transportation from prison) and 'Survival Needs' (e.g. securing housing and food) clusters as most important. Although ratings were generally similar between women and men, women assigned greater importance to barriers related to reconnecting with children. CONCLUSIONS: Using concept mapping, we worked with formerly incarcerated people with HIV to identify and prioritize key challenges related to accessing health and social services following prison release. Transitional intervention programs should include programs and processes that address meeting basic subsistence needs and overcoming logistical barriers related to community re-entry.
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Formación de Concepto , Infecciones por VIH/terapia , Prisioneros/estadística & datos numéricos , Cuidado de Transición/organización & administración , Adulto , Análisis por Conglomerados , Femenino , Accesibilidad a los Servicios de Salud , Humanos , Masculino , Persona de Mediana Edad , OntarioRESUMEN
We aimed to determine if a history of recent imprisonment affects access to primary care. Using patient roles, we telephoned to request an initial appointment with all family physicians (n = 339) who were accepting new patients in British Columbia, Canada. We sequentially assigned patient scenarios: male or female recently released from prison; male or female control. Controls were 1.98 (95% CI, 1.59-2.46) times as likely to be offered an appointment compared with persons recently released from prison, with an absolute risk difference of 41.8% (95% CI, 31.0-52.5). Our study suggests discrimination is a barrier to primary care for people released from prison, even with universal health insurance. We need to improve access to primary care during the high-risk period following prison release.
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Accesibilidad a los Servicios de Salud/estadística & datos numéricos , Disparidades en Atención de Salud/estadística & datos numéricos , Atención Primaria de Salud/estadística & datos numéricos , Prisioneros/estadística & datos numéricos , Discriminación Social/estadística & datos numéricos , Adulto , Colombia Británica , Femenino , Humanos , MasculinoAsunto(s)
Obstetras , Atención Prenatal , Humanos , Femenino , Embarazo , Estudios Retrospectivos , Ontario , PrisionesRESUMEN
BACKGROUND: Access to primary care is an important determinant of health, and data are sparse on primary care utilization for people who experience imprisonment. We aimed to describe primary care utilization for persons released from prison, and to compare utilization with the general population. METHODS: We linked correctional data for all persons released from provincial prison in Ontario, Canada in 2010 with health administrative data. We matched each person by age and sex with four general population controls. We compared primary care utilization rates using generalized estimating equations. We adjusted rate ratios for aggregated diagnosis groups, to explore this association independent of comorbidity. We examined the proportion of people using primary care using chi squared tests and time to first primary care visit post-release using the Kaplan-Meier method. RESULTS: Compared to the general population controls, the prison release group had significantly increased relative rates of primary care utilization: at 6.1 (95% CI 5.9-6.2) in prison, 3.7 (95% CI 3.6-3.8) in the week post-release and between 2.4 and 2.6 in the two years after prison release. All rate ratios remained significantly increased after adjusting for comorbidity. In the month after release, however, 66.3% of women and 75.5% of men did not access primary care. CONCLUSIONS: Primary care utilization is high in prison and post-release for people who experience imprisonment in Ontario, Canada. Increased use is only partly explained by comorbidity. The majority of people do not access primary care in the month after prison release. Future research should identify reasons for increased use and interventions to improve care access for persons who are not accessing care post-release.
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Enfermedad Crónica/terapia , Aceptación de la Atención de Salud/estadística & datos numéricos , Atención Primaria de Salud/estadística & datos numéricos , Prisioneros/estadística & datos numéricos , Prisiones/estadística & datos numéricos , Adulto , Atención Ambulatoria/estadística & datos numéricos , Servicios de Salud Comunitaria/estadística & datos numéricos , Utilización de Instalaciones y Servicios , Femenino , Medicina General/estadística & datos numéricos , Humanos , Masculino , Ontario , Estudios RetrospectivosRESUMEN
OBJECTIVE: Studies from the United States have shown that women in correctional facilities have higher rates of unintended pregnancy and unmet need for contraception compared with the general population, and that the provision of family planning services in correctional facilities may improve access to contraception. No study has examined these issues in women in correctional facilities in Canada. We aimed to describe the rates of unintended pregnancy and contraceptive use for incarcerated women in Ontario. METHODS: Women in a provincial correctional facility in Ontario completed a written survey in 2014. We calculated the prevalence of prior unintended pregnancy, prior therapeutic abortion, and contraception use. We calculated the unmet need for contraception, defined as the proportion of women who were not using reliable contraception among women who were sexually active and were not trying to conceive. RESULTS: Of 85 participants, 82% had been pregnant, and of these women, 77% had experienced an unintended pregnancy and 57% reported having undergone a therapeutic abortion. Regarding the most recent pregnancy, 72% of women scored their pregnancy intention as unplanned or ambivalent. Of women who were at risk for unintended pregnancy prior to incarceration, 80% were not using a reliable form of contraception. CONCLUSION: Incarcerated women in Ontario have higher rates of unintended pregnancy and unmet need for contraception than does the general population. The provision of family planning services during and after incarceration may improve the health of individuals and reduce costs for society overall.
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We systematically reviewed randomized controlled trials of interventions to improve the health of people during imprisonment or in the year after release. We searched 14 biomedical and social science databases in 2014, and identified 95 studies. Most studies involved only men or a majority of men (70/83 studies in which gender was specified); only 16 studies focused on adolescents. Most studies were conducted in the United States (n = 57). The risk of bias for outcomes in almost all studies was unclear or high (n = 91). In 59 studies, interventions led to improved mental health, substance use, infectious diseases, or health service utilization outcomes; in 42 of these studies, outcomes were measured in the community after release. Improving the health of people who experience imprisonment requires knowledge generation and knowledge translation, including implementation of effective interventions.
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Promoción de la Salud/organización & administración , Estado de Salud , Salud Mental , Prisioneros , Enfermedades Transmisibles/diagnóstico , Enfermedades Transmisibles/terapia , Servicios de Salud/estadística & datos numéricos , Humanos , Trastornos Mentales/diagnóstico , Trastornos Mentales/terapia , Salud Pública , Ensayos Clínicos Controlados Aleatorios como Asunto , Trastornos Relacionados con Sustancias/diagnóstico , Trastornos Relacionados con Sustancias/terapiaRESUMEN
BACKGROUND: We conducted a scoping review to define the extent and type of quantitative health status research conducted from 1993 to 2014 with people who have experienced detention or incarceration in correctional facilities in Canada. METHODS: We searched 15 databases, reviewed reference lists and relevant websites, and consulted with key stakeholders to identify eligible studies. We reviewed records for eligibility and extracted relevant data from eligible articles. RESULTS: We identified 194 studies that were eligible for inclusion. Most studies were conducted with males and with persons in federal facilities, and focused on mental health, substance use, and social determinant of health outcomes. CONCLUSIONS: Health status data are limited for several outcomes, such as chronic disease, injury and sexual and reproductive health, and for persons in provincial facilities and post-release. Efforts should be made to improve data collection and knowledge dissemination, so that relevant data can be used more effectively to improve health and health care in this population.
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Estado de Salud , Encuestas Epidemiológicas/métodos , Prisioneros/estadística & datos numéricos , Investigación/estadística & datos numéricos , Adolescente , Adulto , Canadá , Bases de Datos Factuales , Femenino , Encuestas Epidemiológicas/estadística & datos numéricos , Humanos , Masculino , Adulto JovenRESUMEN
Worldwide, there is a lack of systematically collected health data on people who are incarcerated. Our objective in this paper was to describe a process model of formative work for a project to strengthen health surveillance for people incarcerated under a Canadian prison authority. We have developed project structures and processes, and we are evaluating project partnerships. To inform prison health surveillance foci, we are conducting a review of literature on best practices, a qualitative study to understand stakeholders' needs and priorities, and mapping work to understand available prison health-related data. Developing and implementing prison health surveillance is gradual and developmental, necessitating time to build relationships and obtain approvals. The needs and interests of knowledge users should be prioritized, but there may be challenges to achieving a coherent vision due to feasibility and differing needs and objectives of various stakeholders. Developing collaborative relationships could help bridge this gap.
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Prisiones , Humanos , Prisiones/organización & administración , Canadá , Prisioneros , Vigilancia de la Población/métodosRESUMEN
BACKGROUND: Evidence suggests that women who are incarcerated desire access to contraception while incarcerated, and that this need is not currently being met. Our objective in this study was to explore the perspectives and experiences of women in prisons regarding contraception and contraception access using data from focus groups with women in a provincial prison. We analyzed focus group data collected in a provincial prison in Ontario, Canada using content analysis and a constructivist epistemology. RESULTS: We conducted three focus groups, each approximately one hour in length. Discussions revolved around (1) knowledge and decision making about contraception, (2) accessing contraception, and (3) ideas for increasing access to contraception in the prison setting. Decision making about contraception was mainly related to concerns about side effects, consistent access to care, impacts on future fertility, and autonomy around decision-making. Participants discussed a wide range of experiences with contraception. Ideas for increasing access to contraception included information sessions, inclusion of discussions about contraception as a component of admission and release planning, and time spent in prison as a crucial juncture for decision-making about contraception. CONCLUSIONS: More qualitative research is needed to better understand the needs of women in prisons related to contraception. The findings of this study suggest that programs should focus on consistency and continuity of access to care, education opportunities, and integration of discussions about contraception into official admission and release procedures.
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BACKGROUND: The relationship between intimate partner violence (IPV) and women's risk of HIV infection has attracted much recent attention, with varying results in terms of whether there is an association and what the magnitude of association is. Understanding this relationship is important for HIV surveillance and intervention programs. METHODS: We analyzed data from the 2008-2009 Demographic and Health Survey (DHS) in Kenya, on 1,904 women aged 15-49. A generalized linear mixed model was adapted to explore the relationship between IPV and HIV prevalence, controlling for sociodemographic variables, and treating DHS survey clusters, province and ethnicity as random effects. We used principal components analysis (PCA) to calculate a single IPV score for each woman. The effect of HIV risk behaviours on the association between IPV and HIV was also assessed. RESULTS: Controlling for relevant sociodemographic factors, we found that HIV risk was significantly associated with IPV (P <0.01). After adjustment for risk factors as well as sociodemographic variables, the positive association between IPV and HIV remained significant (P=0.035). The estimated effect size of this model corresponds to an odds ratio of 1.55 for HIV infection comparing a woman who experienced no IPV and a woman at the 95th percentile for our IPV index. CONCLUSION: This study provides further evidence that IPV and HIV are associated. In addition, we found that this association remains even when we controlled for several HIV risk factors. This implies that IPV can be used as a marker of potential HIV risk, and may be causally associated with HIV risk. Further, these results suggest that IPV monitoring and prevention may have a useful role in HIV prevention in Kenya. Further research, ideally based on longitudinal observations, is needed to disentangle these relationships.
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Violencia Doméstica/estadística & datos numéricos , Infecciones por VIH/epidemiología , Parejas Sexuales , Salud de la Mujer , Adolescente , Adulto , Análisis por Conglomerados , Estudios Transversales , Violencia Doméstica/psicología , Femenino , Infecciones por VIH/psicología , Infecciones por VIH/transmisión , Humanos , Kenia/epidemiología , Modelos Lineales , Persona de Mediana Edad , Análisis de Componente Principal , Factores de Riesgo , Asunción de Riesgos , Factores Socioeconómicos , Encuestas y Cuestionarios , Adulto JovenRESUMEN
BACKGROUND: Intimate partner violence (IPV) is a significant public health problem. There is a lack of data on IPV risk factors from longitudinal studies and from low and middle income countries. Identifying risk factors is needed to inform the design of appropriate IPV interventions. METHODS: Data were from the Rakai Community Cohort Study annual surveys between 2000 and 2009. Female participants who had at least one sexual partner during this period and had data on IPV over the study period were included in analyses (N = 15081). Factors from childhood and early adulthood as well as contemporary factors were considered in separate models. Logistic regression was used to assess early risk factors for IPV during the study period. Longitudinal data analysis was used to assess contemporary risk factors in the past year for IPV in the current year, using a population-averaged multivariable logistic regression model. RESULTS: Risk factors for IPV from childhood and early adulthood included sexual abuse in childhood or adolescence, earlier age at first sex, lower levels of education, and forced first sex. Contemporary risk factors included younger age, being married, relationships of shorter duration, having a partner who is the same age or younger, alcohol use before sex by women and by their partners, and thinking that violence is acceptable. HIV infection and pregnancy were not associated with an increased odds of IPV. CONCLUSIONS: Using longitudinal data, this study identified a number of risk factors for IPV. These findings are useful for the development of prevention strategies to prevent and mitigate IPV in women.