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AIM: This article describes the general characteristics of community-based mental healthcare in Mexico. METHODS: Data from national surveys, special studies and statistics from the national information system during the period 2001-2017 are used. Available information on health systems, new regulations and the innovations implemented are reviewed, as well as research on psychosocial interventions conducted within the country. RESULTS: Data show a fragmented health system with services for workers and those without social security or private care. This is a treatment system essentially based on tertiary healthcare and not integrated into the general health system, with a significant treatment gap and delay in relation to the first treatment. At the same time, a slow but steady increase in the level of care provided at primary healthcare level and in specialized community services has been observed. This trend has been accompanied by an increase in the number of medical doctors, psychologists and, to a lesser extent, psychiatrists, incorporated into the primary healthcare services. At the same time, no new psychiatric hospitals have been built; there has been a proportional reduction in psychiatric beds but no increase in mental health services or beds allocated to first contact hospitals. Research initiatives have analysed the barriers to reform, and efficient interventions have been developed and tested for the community and for primary healthcare; special interventions are available for the most vulnerable but no formal efforts have been to facilitate their implementation. CONCLUSIONS: Evidence is available regarding the implementation of the transition from reliance on tertiary healthcare to reinforced primary care. At the same time, parity, financial protection, quality and continuity of care remain major challenges.
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BACKGROUND: Although rates of illicit drug use are considerably lower in Mexico than in the United States, rates in Mexico have risen significantly. This increase has particular implications for Mexican women and US migrants, who are considered at increased risk of drug use. Due to drug reforms enacted in Mexico in 2008, it is critical to evaluate patterns of drug use among migrants who reside in both regions. METHODS: We analysed a sample of Mexicans (N=16,249) surveyed during a national household survey in 2011, the Encuesta Nacional de Adicciones (National Survey of Addictions). Comparative analyses based on Mexicans' migrant status - (1) never in the United States, (2) visited the United States, or (3) lived in the United States (transnationals) - featured analysis of variance and Chi-square global tests. Two multilevel regressions were conducted to determine the relationships among migrant status, women, and illicit drug use. RESULTS: Comparative findings showed significant differences in type and number of drugs used among Mexicans by migrant status. The regression models showed that compared with Mexicans who had never visited the United States, Mexican transnationals were more likely to report having used drugs (OR=2.453, 95% CI=1.933, 3.113) and using more illicit drugs (IRR=2.061, 95% CI=1.626, 2.613). Women were less likely than men to report having used drugs (OR=0.187, 95% CI=0.146, 0.239) and using more illicit drugs (IRR=0.153, 95% CI=0.116, 0.202). CONCLUSIONS: Overall, the findings support further exploration of risk factors for illicit drug use among Mexican transnationals, who exhibit greater drug use behaviours than Mexicans never in the United States. Because drug reform mandates referrals to treatment for those with recurrent issues of drug use, it is critical for the Mexican government and civic society to develop the capacity to offer evidence-based substance abuse treatment for returning migrants with high-risk drug behaviours.
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Drogas Ilícitas , Transtornos Relacionados ao Uso de Substâncias/epidemiologia , Migrantes/estatística & dados numéricos , Adolescente , Adulto , Análise de Variância , Coleta de Dados , Feminino , Humanos , Masculino , México/epidemiologia , Pessoa de Meia-Idade , Análise de Regressão , Fatores de Risco , Fatores Sexuais , Estados Unidos , Adulto JovemRESUMO
OBJECTIVES: We tested whether positive selection on childhood predictors of adult mental and physical health contributed to health advantages of Mexican-born immigrants to the United States relative to U.S.-born Mexican Americans. METHODS: We combined data from surveys conducted during 2000-2003 in Mexico and the U.S. with the same structured interview. We examined retrospective reports of childhood (i.e., < 16 years of age) predictors of adult health--education, height, childhood physical illness, childhood mental health, early substance use, and childhood adversities--as predictors of migration from Mexico to the U.S. at > or = 16 years of age. We estimated overall selection by comparing migrants to all non-migrants. We also examined selection at the family (members of families of migrants vs. members of families without a migrant) and individual (migrants vs. non-migrants within families of migrants) levels. RESULTS: Distinguishing between family and individual selection revealed evidence of positive health selection that is obscured in the overall selection model. In particular, respondents in families with migrants were more likely to have > or = 12 years of education (odds ratio [OR] = 1.60) and be in the tallest height quartile (OR = 1.72) than respondents in families without migrants. At both the family and individual levels, migrants are disadvantaged on mental health profiles, including a higher prevalence of conduct problems, phobic fears, and early substance use. CONCLUSIONS: Positive health selection may contribute to physical health advantages among Mexican immigrants in the U.S. relative to their U.S.-born descendants. Mental health advantages likely reflect a lower prevalence of psychiatric disorders in Mexico, rather than protective factors that distinguish migrants.
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Nível de Saúde , Transtornos Mentais/epidemiologia , Americanos Mexicanos/estatística & dados numéricos , Migrantes , Adolescente , Adulto , Idoso , Idoso de 80 Anos ou mais , Estatura , Criança , Comorbidade , Demografia , Escolaridade , Feminino , Inquéritos Epidemiológicos , Disparidades em Assistência à Saúde , Humanos , Masculino , Transtornos Mentais/etnologia , Americanos Mexicanos/psicologia , México/etnologia , Pessoa de Meia-Idade , Modelos Estatísticos , Prevalência , Estudos Retrospectivos , Fatores de Risco , Transtornos Relacionados ao Uso de Substâncias/epidemiologia , Migrantes/psicologia , Estados Unidos/epidemiologiaRESUMO
BACKGROUND: Epidemiologic research has consistently found lower prevalence of alcohol and drug use disorders among Hispanic immigrants to the US than among US-born Hispanics. Recent research has begun to examine how this change occurs in the process of assimilation in the US. We aimed to study immigration, US nativity, and return migration as risk factors for alcohol and drug use among people of Mexican origin in both the US and Mexico. METHODS: Data come from nationally representative surveys in the United States (2001-2003; n=1208) and Mexico (2001-2002; n=5782). We used discrete time event history models to account for time-varying and time-invariant characteristics. RESULTS: We found no evidence that current Mexican immigrants in the US have higher risk for alcohol or alcohol use disorders than Mexicans living in Mexico, but current immigrants were at higher risk for drug use and drug use disorders. Current Mexican immigrants were at lower risk for drug use and drug disorders than US-born Mexican-Americans. US nativity, regardless of parent nativity, is the main factor associated with increasing use of alcohol and drugs. Among families of migrants and among return migrants we found increased risk for alcohol use, drug use and alcohol and drug use disorders. Evidence of selective migration and return of immigrants with disorders was found regarding alcohol use disorders only. CONCLUSIONS: Research efforts that combine populations from sending and receiving countries are needed. This effort will require much more complex research designs that will call for true international collaboration.
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Emigração e Imigração/estatística & dados numéricos , Americanos Mexicanos/estatística & dados numéricos , Transtornos Relacionados ao Uso de Substâncias/epidemiologia , Aculturação , Adulto , Fatores Etários , Emigrantes e Imigrantes/estatística & dados numéricos , Estudos Epidemiológicos , Feminino , Humanos , Internacionalidade , Masculino , México/etnologia , Pessoa de Meia-Idade , Fatores de Risco , Transtornos Relacionados ao Uso de Substâncias/etnologia , Estados Unidos/epidemiologia , Adulto JovemRESUMO
BACKGROUND: Although it is known that childhood attention-deficit/hyperactivity disorder (ADHD) often persists into adulthood, childhood predictors of this persistence have not been widely studied. METHODS: Childhood history of ADHD and adult ADHD were assessed in 10 countries in the World Health Organization World Mental Health Surveys. Logistic regression analysis was used to study associations of retrospectively reported childhood risk factors with adult persistence among the 629 adult respondents with childhood ADHD. Risk factors included age; sex; childhood ADHD symptom profiles, severity, and treatment; comorbid child/adolescent DSM-IV disorders; childhood family adversities; and child/adolescent exposure to traumatic events. RESULTS: An average of 50% of children with ADHD (range: 32.8%-84.1% across countries) continued to meet DSM-IV criteria for ADHD as adults. Persistence was strongly related to childhood ADHD symptom profile (highest persistence associated with the attentional plus impulsive-hyperactive type, odds ratio [OR]=12.4, compared with the lowest associated with the impulsive-hyperactive type), symptom severity (OR=2.0), comorbid major depressive disorder (MDD; OR=2.2), high comorbidity (>or=3 child/adolescent disorders in addition to ADHD; OR=1.7), paternal (but not maternal) anxiety mood disorder (OR=2.4), and parental antisocial personality disorder (OR=2.2). A multivariate risk profile of these variables significantly predicts persistence of ADHD into adulthood (area under the receiving operator characteristic curve=.76). CONCLUSIONS: A substantial proportion of children with ADHD continue to meet full criteria for ADHD as adults. A multivariate risk index comprising variables that can be assessed in adolescence predicts persistence with good accuracy.