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BACKGROUND: Traumatic Brain Injury (TBI) is a serious hidden health issue disproportionately affecting people who experience incarceration. OBJECTIVE: We examined the association between TBI and serious disciplinary charges among men and women sentenced by the courts to terms of two or more years. METHODS: The study originated in Ontario, Canada and used linked administrative health and correctional data. The cohort included adults experiencing their first federal sentence between 1998 and 2011 (N = 12,038). We examined disciplinary charges incurred 2 years post-sentence commencement. TBI was defined using the International Classification of Diseases (ICD-9 and ICD-10) diagnostic codes. Robust Poisson regression was conducted to assess the association between TBI and disciplinary charges. FINDINGS: The prevalence of TBI for the full sample was 13.2%. One-third of adults with a recent TBI had a serious disciplinary charge. The unadjusted risk of incurring a serious charge for those with a history of TBI was 39% higher than those with no history of TBI (CI: 1.29-1.49). The adjusted risk was 1.14 (CI: 1.06-1.22). CONCLUSIONS: TBI is a serious health concern that makes it difficult for incarcerants to adjust to prison. Additional support/resources are needed to support those with histories of TBI.

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BACKGROUND: Many people experience imprisonment each year, and this population bears a disproportionate burden of morbidity and mortality. States have an obligation to provide equitable health care in prison and to attend to care on release. Our objective was to describe health care utilization in prison and post-release for persons released from provincial prison in Ontario, Canada in 2010, and to compare health care utilization with the general population. METHODS: We conducted a population-based retrospective cohort study. We included all persons released from provincial prison to the community in 2010, and age- and sex-matched general population controls. We linked identities for persons released from prison to administrative health data. We matched each person by age and sex with four general population controls. We examined ambulatory care and emergency department utilization and medical-surgical and psychiatric hospitalization, both in prison and in the three months after release to the community. We compared rates with those of the general population. RESULTS: The rates of all types of health care utilization were significantly higher in prison and on release for people released from prison (N = 48,861) compared to general population controls (N = 195,444). Comparing those released from prison to general population controls in prison and in the 3 months after release, respectively, utilization rates were 5.3 (95% CI 5.2, 5.4) and 2.4 (95% CI 2.4, 2.5) for ambulatory care, 3.5 (95% CI 3.3, 3.7) and 5.0 (95% CI 4.9, 5.3) for emergency department utilization, 2.3 (95% CI 2.0, 2.7) and 3.2 (95% CI 2.9, 3.5) for medical-surgical hospitalization, and 21.5 (95% CI 16.7, 27.7) and 17.5 (14.4, 21.2) for psychiatric hospitalization. Comparing the time in prison to the week after release, ambulatory care use decreased from 16.0 (95% CI 15.9,16.1) to 10.7 (95% CI 10.5, 10.9) visits/person-year, emergency department use increased from 0.7 (95% CI 0.6, 0.7) to 2.6 (95% CI 2.5, 2.7) visits/person-year, and hospitalization increased from 5.4 (95% CI 4.8, 5.9) to 12.3 (95% CI 10.1, 14.6) admissions/100 person-years for medical-surgical reasons and from 8.6 (95% CI 7.9, 9.3) to 17.3 (95% CI 14.6, 20.0) admissions/100 person-years for psychiatric reasons. CONCLUSIONS: Across care types, health care utilization in prison and on release is elevated for people who experience imprisonment in Ontario, Canada. This may reflect high morbidity and suboptimal access to quality health care. Future research should identify reasons for increased use and interventions to improve care.

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OBJECTIVES: Although timely access to health care is a top priority, a burgeoning body of research highlights the important role of neighbourhood environments on unmet health care needs. This study aimed to examine an association between perceptions of neighbourhood availability of health care services and experience of unmet health care needs by gender in an urban city setting. METHODS: A total of 2338 participants from the Neighbourhood Effects on Health and Well-being (NEHW) study, between 25 and 64 years of age and dwelling in the City of Toronto, Ontario, Canada, were included in the analyses. Four different logistic regression models stratified by gender were used to examine the relationship between neighbourhood health care availability and unmet health care need as well as the impact of neighbourhood perception of health care availability on the three different types of unmet needs. RESULTS: Perceived health care availability was associated with higher likelihood of experiencing unmet health care needs in both women and men (women = OR: 1.58, 95% CI: 1.09-2.28; men = OR: 1.92, 95% CI: 1.23-2.99). In addition, perceived health care availability was associated with barrier- and wait times-related unmet health care need among women (OR: 1.83, 95% CI: 1.13-2.97; OR: 1.93, 95% CI: 1.10-3.40 respectively), and personal choice- and wait times-related unmet need among men (OR: 1.99, 95% CI: 1.10-3.58). CONCLUSION: Individuals' perception of health care availability plays a crucial role in the experience of unmet health care needs, suggesting the importance of community-based policy development for improving physical conditions and the social aspect of health care services.

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BACKGROUND: Health research provides a means to define health status and to identify ways to improve health. Our objective was to define the proportion of grants and funding from the Government of Canada's health research investment agency, the Canadian Institutes of Health Research (CIHR), that was awarded for prison health research, and to describe the characteristics of funded grants. METHODS: In this descriptive study, we defined prison health research as research on the health and health care of people in prisons and at the time of their release. We searched the CIHR Funding Decisions Database by subject and by investigator name for funded grants for prison health research in Canada in all competitions between 2010 and 2014. We calculated the proportion of grants and funding awarded for prison health research, and described the characteristics of funded grants. RESULTS: During the 5-year study period, 21 grants were awarded that included a focus on prison health research, for a total of $2 289 948. Six of these grants were operating grants and 6 supported graduate or fellowship training. In total, 0.13% of all grants and 0.05% of all funding was for prison health research. INTERPRETATION: A relatively small proportion of CIHR grants and funding were awarded for prison health research between 2010 and 2014. If prison health is a priority for Canada, strategic initiatives that include funding opportunities could be developed to support prison health research in Canada.

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INTRODUCTION: Evidence suggests that many risk factors for cancer are overrepresented in people who experience incarceration, and data on cancer epidemiology are limited for this population. We aimed to describe cancer prevalence, incidence and mortality in adults admitted to provincial custody in Ontario, Canada in 2000. METHODS: We linked data on 48,166 adults admitted to provincial custody in Ontario in 2000 with Ontario Cancer Registry data to 2012. We calculated cancer prevalence in the 10 years prior to admission to custody in 2000, incidence between 2000 and 2012 and mortality between 2000 and 2011. Standardized for age, we calculated incidence and mortality ratios by sex compared to the general population of Ontario. RESULTS: The 10-year cancer prevalence was 0.4% in men and 0.6% in women at admission to provincial custody in 2000. Between 2000 and 2012, 2.6% of men and 2.8% of women were diagnosed with new cancer. The standardized incidence ratio for cancer was 1.0 (95% CI 0.9-1.0) for men and 0.9 (95% CI 0.7-1.0) for women compared to the general population, and was significantly increased for cervical, head and neck, liver and lung cancers. The standardized mortality ratio was 1.6 (95% CI 1.4-1.7) in men and 1.4 (95% CI 1.0-1.9) in women, and was significantly increased for head and neck, liver, and lung cancers. CONCLUSIONS: There is an excess burden of cancer in people who experience incarceration. Cancer prevention should include people who experience incarceration, and the period of incarceration may offer an opportunity for intervention.

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OBJECTIVE: There have been few studies investigating the association between food security and breast-feeding duration and none have been conducted among Canadian Inuit, a population disproportionately burdened with food insecurity. We evaluated the association between household food security and breast-feeding duration in Canadian Inuit children. DESIGN: Data were obtained from the Nunavut Inuit Child Health Survey, a population-based cross-sectional survey. SETTING: The Canadian Territory of Nunavut in 2007 and 2008. SUBJECTS: Caregivers of Inuit children aged 3-5 years. Participating children were randomly sampled from community medical centre lists. RESULTS: Out of 215 children, 147 lived in food-insecure households (68·4 %). Using restricted mean survival time models, we estimated that children in food-secure households were breast-fed for 16·8 (95 % CI 12·5, 21·2) months and children in food-insecure households were breast-fed for 21·4 (95 % CI 17·9, 24·8) months. In models adjusting for social class, traditional knowledge and child health, household food security was not associated with breast-feeding duration (hazard ratio=0·82, 95 % CI 0·58, 1·14). CONCLUSIONS: Our research does not support the hypothesis that children living in food-insecure households were breast-fed for a longer duration than children living in food-secure households. However, we found that more than 50 % of mothers in food-insecure households continued breast-feeding well beyond 1 year. Many mothers in food-secure households also continued to breast-feed beyond 1 year. Given the high prevalence of food insecurity in Inuit communities, we need to ensure infants and their caregivers are being adequately nourished to support growth and breast-feeding, respectively.

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BACKGROUND: There is recent evidence to suggest that sustaining a traumatic brain injury (TBI) increases risk of criminal justice system involvement, including incarceration. The objective of this study was to explore the association between TBI and risk of incarceration among men and women in Ontario. METHODS: We identified a cohort of 1.418 million young adults (aged 18-28 yr) on July 1, 1997, living in Ontario, Canada, from administrative health records; they were followed to Dec. 31, 2011. History of TBI was obtained from emergency and hospital records, and incarceration history was obtained from the Correctional Service of Canada records. We estimated the hazard of incarceration using Cox proportional hazard models, adjusting for relevant sociodemographic characteristics and medical history. RESULTS: There were 3531 incarcerations over 18 297 508 person-years of follow-up. The incidence of incarceration was higher among participants with prior TBI compared with those without a prior TBI. In fully adjusted models, men and women who had sustained a TBI were about 2.5 times more likely to be incarcerated than men and women who had not sustained a TBI. INTERPRETATION: Traumatic brain injury was associated with an increased risk of incarceration among men and women in Ontario. Our research highlights the importance of designing primary, secondary and tertiary prevention strategies to mitigate risk of TBI and incarceration in the population.

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We used record linkage to create a data repository of health information of persons who were federally incarcerated in Ontario and Canada. We obtained records from 56,867 adults who were federally incarcerated between January 1, 1998 and December 31, 2011 from the Correctional Service of Canada; 15,248 records belonged to individuals residing in Ontario, Canada. We linked these records to the Registered Persons Database (RPDB) which contained records from 18,116,996 individuals eligible for health care in Ontario. Out of 56,867 OMS records, 22,844 (40.2%) were linked to the RPDB. Looking only at those incarcerated in Ontario, 98%, (14 953 of 15248) records were linked to RPDB. Most records of persons in Ontario-based facilities were linked deterministically. Linkage rates were lower for women, minority groups, and substance users. In conclusion, record linkage enabled the creation of a valuable data repository: there are no electronic medical records for correctional populations in Canada, making it more difficult to profile their health.

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Given the preponderance of Gamblers Anonymous (GA), there has been relatively little effort to explore the existing evidence base on its effectiveness as a recovery approach for problem gambling. To remedy this gap in the literature we conducted a scoping review of the literature on mutual aid for individuals experiencing problem gambling published between 2002 and 2015. We searched 13 databases and reviewed reference lists and websites of relevant organizations. We reviewed records for eligibility and extracted relevant data from eligible articles. Three reviewers independently assessed the methodological quality of the included studies using the Mixed Methods Appraisal Tool. We identified 17 studies in 25 publications that were eligible for inclusion. Most studies were conducted in the United States, were cross-sectional in design, and involved both male and female adult participants. Results indicate that the evidence for the effectiveness of GA either as a control condition or in conjunction with formal treatment or medication is inconsistent. An emphasis on patience, using the Serenity Prayer as a way to gain acceptance of financial matters and reality, and absolute assertion of identity as a "compulsive gambler" were identified as important aspects of GA's recovery culture. There is a need for large-scale randomized controlled trials to determine GA's effectiveness, as well as research exploring the mechanisms through which GA works, barriers to GA as a recovery approach, and the status of women in the fellowship.

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OBJECTIVES: A large number of Canadians spend time in correctional facilities each year, and they are likely to have poor health compared to the general population. Relatively little health research has been conducted in Canada with a focus on people who experience detention or incarceration. We aimed to conduct a Delphi process with key stakeholders to define priorities for research in prison health in Canada for the next 10 years. SETTING: We conducted a Delphi process using an online survey with two rounds in 2014 and 2015. PARTICIPANTS: We invited key stakeholders in prison health research in Canada to participate, which we defined as persons who had published research on prison health in Canada since 1994 and persons in the investigators' professional networks. We invited 143 persons to participate in the first round and 59 participated. We invited 137 persons to participate in the second round and 67 participated. PRIMARY AND SECONDARY OUTCOME MEASURES: Participants suggested topics in the first round, and these topics were collated by investigators. We measured the level of agreement among participants that each collated topic was a priority for prison health research in Canada for the next 10 years, and defined priorities based on the level of agreement. RESULTS: In the first round, participants suggested 71 topics. In the second round, consensus was achieved that a large number of suggested topics were research priorities. Top priorities were diversion and alternatives to incarceration, social and community re-integration, creating healthy environments in prisons, healthcare in custody, continuity of healthcare, substance use disorders and the health of Aboriginal persons in custody. CONCLUSIONS: Generated in an inclusive and systematic process, these findings should inform future research efforts to improve the health and healthcare of people who experience detention and incarceration in Canada.

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About one in nine Canadians who are infected with hepatitis C spend time in a correctional facility each year. With high rates of current injection drug use and needle sharing, this population may account for a large proportion of new infections. Any national strategy to address hepatitis C should include a focus on persons in correctional facilities, and should build on existing evidence regarding primary, secondary and tertiary prevention.

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OBJECTIVES: Canadian Aboriginal infants experience poor health compared with other Canadian infants. Breastfeeding protects against many infant infections that Canadian Aboriginals disproportionately experience. The objective of our research was to estimate the proportion of select infant infection and mortality outcomes that could be prevented if all Canadian Aboriginal infants were breastfed. METHODS: We used Levin's formula to estimate the proportion of three infectious outcomes and one mortality outcome that could be prevented in infancy by breastfeeding. Estimates were calculated for First Nations (both on- and off-reserve), Métis and Inuit as well as all Canadian infants for comparison. We extracted prevalence estimates of breastfeeding practices from national population-based surveys. We extracted relative risk estimates from published meta-analyses. RESULTS: Between 5.1% and 10.6% of otitis media, 24.3% and 41.4% of gastrointestinal infection, 13.8% and 26.1% of hospitalizations from lower respiratory tract infections, and 12.9% and 24.6% of sudden infant death could be prevented in Aboriginal infants if they received any breastfeeding. CONCLUSION: Interventions that promote, protect and support breastfeeding may prevent a substantial proportion of infection and mortality in Canadian Aboriginal infants.

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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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We aimed to determine the prevalence of, and factors associated with, breastfeeding initiation in Canadian Inuit. We used data from the Nunavut Inuit Child Health Survey, a population-based, cross-sectional survey conducted in the Canadian territory of Nunavut. Inuit children aged 3-5 years in 2007 or 2008 were randomly selected for the survey. Select household, maternal, infant and community characteristics were collected from the child's primary caregiver and entered into logistic regression models as potential predictors of breastfeeding initiation. Analyses were repeated in a subgroup of caregiver reports from biological mothers. The reported prevalence of breastfeeding initiation was 67.6% (95% CI 62.4-72.8) overall and 85.1% (95% CI 80.2-90.1) in a subgroup of caregiver reports from biological mothers. Adjusted prevalence odds ratios (pOR) indicate the primary caregiver was an important determinant of breastfeeding (adopted parent vs. biological mother: pOR = 0.03, 95% CI 0.01-0.07; other vs. biological mother: pOR = 0.33, 95% CI 0.14-0.74). Maternal smoking during pregnancy and having access to a community birthing facility were also potentially important, but not statistically significant (p > 0.05). In conclusion, data from the Nunavut Inuit Child Health Survey indicate breastfeeding is initiated for more than two-thirds of children, but rates are below the national average and this may be one of several pathways to poor health outcomes documented in many Inuit communities. Considered in the particular context of birthing facilities utilization and postnatal care arrangements in Inuit communities, these results suggest that increasing breastfeeding initiation will require health interventions that effectively engage all types of primary caregivers.

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BACKGROUND: Very little population-based research has been conducted around the exclusive breastfeeding practices of Inuit Canadians. OBJECTIVES: This research aims to assess the distribution of exclusive breastfeeding among Inuit Canadians and to identify factors associated with exclusive breastfeeding as recommended. METHODS: We use data from 188 infant-mother dyads who completed the Nunavut Inuit Child Health Survey, a cross-sectional, population-based survey of Inuit children aged 3 to 5 years. A series of multinomial logistic regression models were run to identify factors associated with 4 exclusive breastfeeding durations (≤ 1 month, > 1-< 5.5 months, 5.5-6.5 months, and > 6.5 months). RESULTS: Of infants, 23% were exclusively breastfed as recommended (ie, between 5.5 and 6.5 months; 95% CI, 16.2-29.3). Many infants (61%) were exclusively breastfed for less than 5.5 months and 16% (95% CI, 10.9-22.0) were exclusively breastfed for more than 6.5 months. Families receiving income support were less likely to discontinue exclusive breastfeeding before 5.5 months (pOR1- < 5.5 months = 0.34; 95% CI, 0.13, 0.85) relative to those not receiving income support, in adjusted models. No other measured factors were significantly related to exclusive breastfeeding duration. CONCLUSIONS: The majority of Inuit Canadian infants receive suboptimal exclusive breastfeeding. National, provincial, and community-specific interventions to protect, promote, and support exclusive breastfeeding should emphasize not only the benefits of exclusively breastfeeding to 6 months but also the importance of timely introduction of complementary foods into the infant's diet.

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