Person: Cabieses, Báltica
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Publication Acceso a salud de migrantes internacionales en pandemia en Chile: resultados de encuesta cuantitativa(2023) Cabieses, Báltica; Blukacz, Alice; Obach, Alexandra; Carreño Calderón, Alejandra; Oyarte, Marcela; Alvarez, Maria; Osse, Claudio; Mezones, EdwardEl objetivo del estudio fue analizar barreras de acceso a la atención de salud en Chile reportadas por migrantes internacionales residentes en la región metropolitana del país y factores asociados. Para ello, se aplicó una encuesta en formato digital sobre vulnerabilidades y recursos de comunidades migrantes en Chile para enfrentar la pandemia SARS-CoV-2. Se realizó análisis descriptivo y estratificado por variables demográficas, socioeconómicas, tipo de previsión de salud y estatus migratorio. Como resultados, inmigrantes provenientes de Haití reportaron el mayor porcentaje de barreras de acceso a la atención en salud, esto tras ajustar por variables sociodemográficas y estatus migratorio. The objective of the study was to analyze barriers to access to health care in Chile reported by international migrants residing in the metropolitan region of the country and associated factors. For this purpose, a digital survey on vulnerabilities and resources of migrant communities in Chile to face the SARS-CoV-2 pandemic was applied. A descriptive and stratified analysis was performed by demographic and socioeconomic variables, type of health provision and migratory status. As results, immigrants from Haiti reported the highest percentage of barriers to health care access, after adjusting for socio-demographic variables and migratory status.Publication Adequate housing as a social determinant of the health of international migrants and locals in Chile between 2013 and 2022(2024) Blukacz, Alice; Oyarte, Marcela; Cabieses, BálticaBackground: Adequate housing is a fundamental right and a social determinant of health. It also represents a historically contentious topic in Latin America. Migratory flows to Chile have become increasingly precarious in the past few years, limiting opportunities for adequate housing, with potential repercussions on the health of international migrants and the general population. This study aims to analyse adequate housing as a social determinant of health among international migrants and locals between 2013 and 2022 in Chile. Methods: Observational cross-sectional study based on repeated versions of the nationally representative Socioeconomic Characterization Survey in Chile. Adequate housing indicators adapted from the United Nations Housing Rights Programme guidelines were analyzed with relation to individual health, distinguishing between the local and international migrant populations. Logistic regression models were fitted for housing indicators with migration as the main independent variable and for short-term and long-term healthcare needs in locals and immigrants with housing as the main dependent variables. Models were adjusted for sociodemographic variables and considered the complex sample design. Results: Descriptive findings indicated higher availability of services and infrastructure among international migrants, and a disadvantage for habitability, location, and affordability by quintiles compared to locals. Logistic regression models, adjusting for demographic variables, revealed significant associations between migration status and overcrowding (OR 6.14, 2022), poor housing materiality (OR 5.65, 2022) and proximity to healthcare centres (OR 1.4, 2022) compared to locals. Experiencing hazardous situations consistently predicted short-term healthcare needs in both migrants (OR = 1.4, 2022) and locals (OR = 2.8, 2022). Overcrowding predicted both long and short-term healthcare needs among locals across the years and long term needs among migrants in 2013 and 2015. Conclusions: We found significant inequities in adequate housing between migrant populations and locals in Chile, and some inequities among both populations based on structural socioeconomic deprivation. Experiencing hazardous situations emerged as a social determinant of health among international migrants in 2022, potentially suggesting growing challenges related to social exclusion in urban areas. However, limitations such as exclusion criteria of the survey and sample sizes for data on the migrant population potentially suggest that housing challenges and their impact on health are underestimated.Publication Education as a social determinant of the health of international migrants and locals in Chile between 2013 and 2022(2025) Blukacz, Alice; Oyarte, Marcela; Cabieses, Báltica; Díaz, JanepsyBackground: Education is a recognised social determinant of health and interacts with other determinants including employment and income. International migration may disrupt these interactions. Education in Chile reflects wider socioeconomic inequalities and in the last decade, it has welcomed an increasing number of migrants. Objective: To analyse education as a social determinant of health among international migrants and locals between 2013 and 2022. Methods: Observational cross-sectional study based on five versions of the CASEN survey. Education, employment, and income were analysed in relation to healthcare needs for both populations and logistic regression models were estimated for each year. For 2022, the interactions between education and employment were explored in relation to healthcare needs. Results: International migrants showed a higher education level and employment rate than Chileans, and a smaller proportion reported healthcare needs. After adjusting for demographic and socioeconomic factors, locals aged 19–25 and 26–59 were more likely to report healthcare needs compared to international migrants across multiple years. The effects of education, employment, and income on healthcare needs among locals and international migrants showed fluctuating ORs without marked trends. In 2022, significant differences in healthcare needs were observed among migrants and locals based on interactions between education and employment, with non-overlapping confidence intervals particularly among unemployed, less-educated youth, middle-aged migrants with incomplete basic education, and older individuals. Conclusions: This study provides an overview of education as a social determinant of health among international migrants and locals for the last decade and call for targeted in-depth analyses on the topic.Publication Breast cancer diagnosis and staging in Chile: A nonrandomized survey-based study to assess frequency and delays(2024) Campaña, Carla; Oyarte, Marcela; Cabieses, Báltica; Obach, AlexandraIntroduction: Breast cancer progression involves physiological mechanisms such as metastasis. Delays in diagnosis and treatment increase the risk of mortality and are associated with barriers to healthcare access. In Chile, breast cancer is highly prevalent, and early diagnosis has improved, although disparities in the disease evolution persist. This study characterized diagnostic and staging tests, waiting times, and sociodemographic profiles to identify delays and inequities in care. Methods: Survey study. Using a non-probabilistic sample, a questionnaire was applied in an encrypted platform with prior informed consent. The instrument collected data on requested tests, associated times, staging, and sociodemographic characteristics. These variables were analyzed using descriptive statistics, tests of association, confidence intervals, and comparison tests using bootstrapping. Results: A sample of 263 persons was obtained. The most requested tests were biopsy (99.62%) and blood tests (80.23%). The median number of tests requested was six (Q1:4, Q3:8), with a mean of 5.87 (standard deviation: 2.24). No significant differences were observed in the percentage of persons from whom the total number of examinations were requested according to the studied variables. The day-hour-result intervals ranged from 1 to 365 days. The median day-hour-result of the biopsy was 15 days (Q1:10, Q3:30). People between 40 and 49 years old, non-residents of the capital city, belonging to income quintile I, with high school education, from the public health system, with late-stage diagnosis had higher median day-hour-result in biopsy. There was no significant difference in the number of requested tests according to staging (I and II, or III and IV). Conclusions: Biopsy in Chile is the test of choice for diagnostic confirmation in breast cancer. Other tests are requested regardless of the diagnosis stage, contrary to the recommendations of clinical guidelines. Cancer prognosis is crucial, especially in countries with greater inequalities.Publication Mental health and the healthy immigrant effect in Chile: a comparative cross-sectional study with international migrants and locals(2025) Blukacz, Alice; Oyarte, Marcela; Cabieses, Báltica; Madrid, Paula; Obach, AlexandraIntroduction: The question of whether international migrants appear to be in better health than the locals, and whether this "healthy immigrant effect" declines over time is a highly relevant one, especially with regards to mental health. Based on a community-based survey conducted in Santiago, Chile, this study compares the mental health outcomes of international migrants versus local populations and examines differences within the international migrant group of respondents. Methods: Observational cross-sectional study. Data was collected with international migrants and Chilean participants in 2021-2022 through a structured questionnaire. The study examined self-reported stress and mood disorders in relation to demographic, socioeconomic, health, and migration-related factors. Descriptive analyses were conducted for all variables overall and stratified by perceived stress, mood disorders, and migration status. Associations were assessed using Chi-square or Fisher's exact tests, with Cramer's V used to evaluate effect size. Multiple imputation (m = 5) addressed missing data using the mice package in R, followed by generalised logistic regression models fitted across imputed datasets and combined using Rubin's rules; stepwise selection based on AIC was used for variable reduction, and models were run for the full sample and separately for the migrant population. Results: The sample included 1,656 international migrants and 1,664 locals. Being a migrant was negatively associated with reporting stress and mood disorders in all analyses. Among migrants, the main risk factors for stress were perceiving a high number of migrants in the neighbourhood and having experienced abuse as a migrant and for mood disorders the main risk factor was reporting having experienced abuse as a migrant as well as a longer stay in Chile. Discussion: We found a healthy immigrant effect for mental health among international migrants in Chile, which declined over time in the case of mood disorders. Chilean participants reported very high levels of mental health issues, consistent with existing studies. However, results for international migrants highlight both risk and protective factors linked to migration processes, which are unique to them, warranting a specific approach to their mental health needs.Publication Addressing health inequalities and barriers to access among adolescent migrants in Chile: a mixed methods study(2025) Carreño Calderón, Alejandra; Obach, Alexandra; Cabieses, Báltica; Oyarte, Marcela; Arias, AliciaBackground: The presence of adolescents in migration flows through Latin America and Caribbean (LAC) has increased in recent years. Adolescents are usually considered healthy due to their low mortality rates compared to the general population. However, existing research shows that adolescence is a phase of life in which mental health, sexual and reproductive health and other needs may increase. Migration, as a social determinant of health, can lead to experiencing compounded vulnerabilities among adolescent migrants, especially those already living in disadvantaged conditions. Objective: aims to estimate and compare social inequalities in health faced by adolescent migrants from LAC living in Chile versus locals, as well as to unveil perceptions and experiences related to additional barriers to accessing to healthcare in the country. Method: A mixed methods study was designed to socially and epidemiologically characterise the adolescent migrant population in Chile. First, two population-based surveys (CENSO 2017; CASEN 2022; REM 2021 and EH 2021) and national epidemiological records were analysed. Second, perceptions and experiences of accessing primary healthcare services were explored through 42 in-depth interviews with healthcare teams (n = 18) and parents of adolescent migrants (n = 24). Quantitative and qualitative data were analysed separately and then integrated to identify the main findings. The study was approved by the Ethics Committee of the Universidad del Desarrollo. Results: The study identified social inequalities negatively affecting adolescent migrant compared with their Chilean peers, including lower access to education, housing and higher chances of having to work. Regarding health, sexual and reproductive needs and experiences are identified, including adolescent pregnancy. Barriers to access to primary healthcare programmes dedicated to adolescent health, which are little known and underused by the migrant population, were also identified. Conclusions: Adolescent migrants in Chile face important social inequalities in health compared to locals and additional barriers to exercise their right to health, putting their current and future health at risk. Priority actions are needed for this specific group, and must focus on increasing the acceptability and coverage of preventive care, as well as strengthening their participation in the social and health decisions affecting them.