42 research outputs found

    Validação de um questionário de frequência alimentar para avaliar o consumo de carotenóides, frutas e hortaliças: o método das tríades

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    The aim of this study was to validate the intake of carotenoids, fruits and vegetables estimated by the Food Frequency Questionnaire for Adolescents (FFQA) using the method of triads. Blood samples were collected from 80 elementary school adolescents to assess serum levels of β-carotene. Partial correlation coefficients (r) were calculated between an estimated intake of carotenoids, fruits and vegetables and the serum levels of β-carotene. Validity coefficients were calculated using the method of triads. With the exception of carotenoids, partial r from the food frequency questionnaire (FFQ) were greater than those of the 24-hour recall (24hR). The fruit/vegetable group showed the highest partial r for the FFQ (r = 0.235) and the 24hR (r = 0.137). The highest validity coefficient was obtained for the vegetable group, as assessed by the FFQ (r = 0.873). On average, the validity coefficient values for the FFQ were greater than those obtained for the 24hR or the β-carotene serum levels. The FFQA is an accurate tool for estimating the intake of carotenoids, fruits and vegetables in this population group.O objetivo do estudo foi validar a ingestão de carotenóides, frutas e hortaliças estimada pelo Questionário de Frequência Alimentar para Adolescentes (QFAA) utilizando o método das tríades. Foram coletadas amostras sanguíneas de 80 adolescentes de uma escola de Ensino Fundamental para análise do b-caroteno plasmático. Coeficientes de correlação (r) parciais foram obtidos entre a ingestão de carotenóides, frutas e hortaliças e o b-caroteno plasmático. Os coeficientes de validade foram estimados a partir do método das tríades. O QFA apresentou valores de r parcial superiores ao recordatório alimentar de 24 horas (R24h), exceto para carotenóides. O grupo das frutas/hortaliças apresentou os maiores valores de r parciais tanto para o questionário de frequência alimentar (QFA) (r = 0,235) quanto para R24h (r = 0,137). O maior coeficiente de validade foi o do grupo de hortaliças avaliado pelo QFA (r = 0,873). Os valores de coeficiente de validade observados para o QFA foram em média superiores aos obtidos para R24h e b-caroteno plasmático. O QFAA é um instrumento com boa acurácia para estimar o consumo de carotenóides, frutas e hortaliças nesse grupo populacional.(FAPESP) São Paulo Research Foundatio

    Tuberculose e infecção latente em funcionários de diferentes tipos de unidades prisionais

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    OBJECTIVE: Estimate the prevalence of active tuberculosis and latent tuberculosis infection among the staff that is in contact and the staff that is not in contact with prisoners, and investigate factors associated with latent tuberculosis infection in this population.METHODS: Observational cross-sectional study, conducted from 2012 to 2015, in employees of different prison units in the municipality of Franco da Rocha, SP. It consisted of the application of a questionnaire, application and reading of the tuberculin test, sputum smear microscopy, sputum culture, and radiological examination. The association between the qualitative variables was calculated by the Pearson’s chi-squared test. The sociodemographic and clinical-epidemiological factors related to the latent tuberculosis infection were evaluated by the logistic regression with the odds ratios (OR) calculation and their respective intervals with 95% of confidence (95%CI).RESULTS: A total of 1,059 employees were examined, 657 (62.0%) of prisons, 249 (23.5%) of CASA Foundation units and 153 (14.5%) of custodial and psychiatric treatment hospitals. The tuberculin test was applied and read for 945 (89.2%) professionals. Of these, 797 (84.3%) were contacts of detainees and 148 (15.7%) were not. Among prison staff, the factors associated with latent tuberculosis infection were: contact with detainee (OR = 2.12, 95%CI 1.21–3.71); male gender (OR = 1.97, 95%CI 1.19–3.27); between 30 and 39 years old (OR = 2.98, 95%CI 1.34–6.63), 40 to 49 years old (OR = 4.32, 95%CI 1.94–9.60), and 50 to 59 years old (OR = 3.98, 95%CI 1.68–9.43); non-white color or race (OR = 1.89, 95%CI 1.29–2.78); and smoker (OR = 1.64, 95%CI 1.05–2.55). There were no positive test on sputum smear microscopy and culture. Of the 241 (22.8%) professionals who underwent radiological examination, 48 (19.9%) presented alterations of which 11 were suspected of tuberculosis.CONCLUSIONS: Prison employees who have direct contact with detainees are 2.12 times more likely to become infected with Mycobacterium tuberculosis in the work environment and consequently to become ill with tuberculosis and should be targeted for disease prevention and control.OBJETIVO: Estimar a prevalência de tuberculose ativa e de infecção latente da tuberculose entre funcionários contatos e não contatos de detentos, e investigar fatores associados à infecção latente da tuberculose nesta população. MÉTODOS: Estudo observacional do tipo transversal, realizado no período de 2012 a 2015, em funcionários de diferentes unidades prisionais do município de Franco da Rocha, SP. Consistiu na aplicação de um questionário, aplicação e leitura da prova tuberculínica, baciloscopia e cultura dos escarros e exame radiológico. A associação entre as variáveis qualitativas foi calculada pelo teste qui-quadrado de Pearson e os fatores sociodemográficos e clínico-epidemiológicos relacionados à infecção latente da tuberculose foram avaliados pela regressão logística com o cálculo das odds ratios (OR) e seus respectivos intervalos com 95% de confiança (IC95%). RESULTADOS: Foram examinados 1.059 funcionários, sendo 657 (62,0%) de penitenciárias, 249 (23,5%) de unidades da Fundação CASA e 153 (14,5%) de hospitais de custódia e tratamento psiquiátrico. Foi aplicada e lida a prova tuberculínica em 945 (89,2%) profissionais. Desses, 797 (84,3%) eram contatos de detentos e 148 (15,7%) não eram. Entre funcionários das penitenciárias, os fatores associados com a infecção latente da tuberculose foram os seguintes: ter contato com detento (OR = 2,12; IC95% 1,21–3,71); ser do sexo masculino (OR = 1,97; IC95% 1,19–3,27); estar na faixa etária entre 30 e 39 anos (OR = 2,98; IC95% 1,34–6,63), 40 a 49 anos (OR = 4,32; IC95% 1,94–9,60) e 50 a 59 anos (OR = 3,98; IC95% 1,68–9,43); ser da cor ou raça não branca (OR = 1,89; IC95% 1,29–2,78); e ser fumante (OR = 1,64; IC95% 1,05–2,55). Não houve exame positivo na baciloscopia e na cultura. Dos 241 (22,8%) profissionais que realizaram o exame radiológico, 48 (19,9%) apresentaram alterações, dos quais 11 eram suspeitos de tuberculose. CONCLUSÕES: Os funcionários das penitenciárias que têm contato direto com os detentos têm 2,12 vezes mais chance de se infectar pelo Mycobacterium tuberculosis no âmbito de trabalho e, consequentemente, de adoecer por tuberculose, devendo ser alvos de ações de prevenção e controle da doença

    Validación de un instrumento de medición de actividad física y propuesta de percentiles para su valoración en jóvenes universitarios

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    Introduction: The aim of this study was: a) to validate the questionnaire that measures FA by means of confirmatory analysis; b) to analyze reliability by means of stability measures; and c) develop percentiles by age and sex range.Material and methods: A cross-sectional descriptive study was carried out in 1,937 in university students (1,064 men and 873 women) from the city of Puno, Peru. The weight and height were measured and the Body Mass Index (BMI) was calculated by sex . An 11-question questionnaire was used that measures Physical Activity. It was validated by Factorial Confirmatory Analysis (AFC) and reliability was verified by test re-test. Percentiles were generated by age and sex range for AF patterns by the LMS method.Results: For the AFC, saturations were observed between 0.41 and 0.96, Eigen values greater than 1.0, and the variance explanation was 63.9% (Varimax and Kaiser-Meier-Olkin, KMO = 0.872 Sphericity of X2 = 4999.5, p <0.0000). Reliability by re-test showed a Technical Measurement Error (TEM) of 2.48 to 3.68% and an intra-class correlation coefficient (ICC) between 0.65 for men and 0.654 for women and for both sexes CCI = 0.92.Conclusion: The questionnaire of 11 questions that measures FA is valid and reliable for university students in a high altitude region of Peru. In addition, the proposed percentiles serve to identify and classify AF levels according to age and sex range.Introducción: El objetivo del presente trabajo fue: a) validar el cuestionario que mide actividad física mediante análisis confirmatorio; b) analizar la fiabilidad por medio de medidas de estabilidad; y c) desarrollar percentiles por rango de edad y sexo.Material y métodos: Se efectuó un estudio de tipo descriptivo de corte transversal en 1.937 jóvenes universitarios (1.064 hombres y 873 mujeres) de la ciudad de Puno, Perú. Se midió el peso y estatura y se calculó el índice de Masa Corporal (IMC) por sexo. Se aplicó un cuestionario de 11 preguntas que mide actividad física. Se validó por Análisis Factorial Confirmatorio (AFC) y se verificó la confiabilidad por test re-test. Se generó percentiles por rango de edad y sexo para los patrones de actividad física por el método LMS.Resultados: Para el AFC se observó saturaciones entre 0,41 a 0,96, valores propios superiores a 1,0, el porcentaje de explicación de la varianza fue de 63,9% (Varimax y Kaiser-Meier-Olkin, KMO= 0,872. Esfericidad de X2= 4999,5, p<0,0000). La fiabilidad por test re-test mostró un Error Técnico de Medida (ETM) de 2,48 a 3,68% y un coeficiente de correlación intra-clase (CCI) entre 0,65 para hombres y 0,654 para mujeres y para ambos sexos CCI= 0,92.Conclusión: El cuestionario de 11 preguntas que mide actividad física es válido y confiable para jóvenes universitarios de una región de elevada altitud del Perú. Además, los percentiles propuestos sirven para identificar y clasificar los niveles de actividad física según rango de edad y sexo

    La Comisión de la Verdad en Colombia: conocimiento, percepción, eficacia y emociones asociadas

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    La Comisión de la Verdad en Colombia se estableció a partir del modelo de justicia transicional. Su función es servir como medida de reconocimiento de los hechos violentos durante el conflicto armado, que han dejado más de nueve millones de víctimas. En este marco, se realizó un estudio descriptivo correlacional (N=1166) con una muestra de 22 departamentos del país para evaluar el conocimiento, la aprobación y la efectividad percibida de los primeros años de la Comisión a partir de aspectos psicosociales: victimización, emociones colectivas, reconciliación, memoria colectiva. El 58% eran víctimas directas. Los resultados indican altos niveles de aprobación y de disposición a participar en las actividades de la Comisión, así como cierto escepticismo sobre su utilidad y una baja confianza en las disculpas oficiales de los grupos en conflicto. También se encuentra un alto índice de emociones positivas relacionadas con la comisión y una baja confianza en las instituciones gubernamentales. Lo encontrado en este estudio, coincide con experiencias previas de comisiones de la verdad en Latinoamérica, y abre el debate sobre las especificidades del contexto colombiano en la búsqueda de paz y las implicaciones del trabajo de la comisión en el proceso de reparación

    Influence of genetic polymorphisms related with invasion and metastasis, inflammation and repair of DNA and prognosis of laryngeal squamous cell carcinoma

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    Introdução: O prognóstico dos carcinomas epidermóides de laringe é limitado e a taxa de sobrevida em cinco anos é menor que 70%. A relação de características clínicas e epidemiológicas tem sido investigada na sobrevida de pacientes com tumores de laringe, mas pouco se conhece sobre o efeito dos polimorfismos genéticos no prognóstico da doença. Objetivo: Estudar o papel dos polimorfismos genéticos de genes relacionados aos processos de invasão e metástase (MMP1 e MMP3), de inflamação (Interleucina 2, Interleucina 6, LTA) e reparo de DNA(XRCC1) no prognóstico do carcinoma epidermóide de laringe. Material e métodos: Coorte com 170 pacientes com carcinoma epidermóide de laringe,confirmados por exame anátomo-patológico. Os casos tiveram origem em estudo caso-controle conduzido em cinco hospitais de São Paulo, um hospital em Porto Alegre e outro em Goiânia. As informações sobre o status vital dos pacientes foram levantadas dos prontuários médicos e dos bancos de óbitos municipais e estaduais. A extração do DNA das amostras de sangue dos pacientes foi realizada pelo Instituto de Medicina Tropical da USP e a genotipagem dos polimorfismos genéticos pela Fundação Hemocentro de Ribeirão Preto da Faculdade de Medicina da USP. Resultados: Os polimorfismos genéticos estudados (MMP1 1607, MMP1 -519,MMP3 -1171, IL2 -384, IL2 114, IL6 -174, LTA 252 e XRCC1) não apresentaram efeitos com significância estatística na sobrevida global ou específica pela doença quando analisados isoladamente. Para a sobrevida global, o consumo excessivo de álcool, em g/L/dia, reduziu a sobrevida dos pacientes (80-119 g/L/dia: hazard ratio(HR)=4,0 intervalos com 95% de confiança (IC95%)=1,10-14,53; _120 g/L/dia: HR=5,6 IC95%=1,71-18,24). No modelo de Cox múltiplo, quando ajustados pelo polimorfismo genético MMP3 -1171, a sobrevida piorou para esses pacientes (80-119 g/L/dia: HR=4,9 IC95%=1,07-22,91; _120 g/L/dia: HR=6,3 IC95%=1,49-26,84). Para a sobrevida específica pela doença, o estadiamento clínico IV reduziu a sobrevida dos pacientes (HR=3,5 IC95%=1,67-7,28). No modelo de Cox múltiplo,com ajuste pelos polimorfismos genéticos IL6 -174 e MMP1 1607, a sobrevidaespecífica pela doença piorou para esses pacientes (HR=4,7 IC95%=1,38-16,25).Conclusões: Na coorte examinada, somente três dos oito polimorfismos genéticos estudados relacionaram-se com a sobrevida global e específica pela doença, porém apenas alterando o efeito dos valores dos HR brutos dos fatores consumo de álcool e estadiamento clínico, respectivamente na sobrevida global e sobrevida específica pela doença. Isoladamente, nenhum polimorfismo genético estudado interferiu na sobrevida dos pacientes com câncer de laringe.Introduction: The prognosis of laryngeal squamous cell carcinoma is limited and survival rate is lower than 70%. The relationships between clinical and epidemiological characteristics have been fully investigated on the survival of patients with laryngeal tumors, but the effect of genetics polymorphisms on squamous cell carcinoma of larynx is not well-known. Objective: To study the role of genetic polymorphisms of genes related to the processes of invasion and metastasis (MMP1 and MMP3), inflammation (Interleukin 2, Interleukin 6, and LTA) and repair of DNA (XRCC1) in the prognosis of laryngeal squamous cell carcinoma. Material and methods: Cohort with 170 laryngeal squamous cell carcinoma patients with histological confirmation. The cases have their origin in a case-control study carried out in hospitals of Sao Paulo, Porto Alegre and Goiania. The information about vital status of patients had been raised from medical records. The extraction of DNA was carried out by Institute of Tropical Medicine of USP and genotyping was carried out by the Center of Cellular Therapy of the Hemocentro of Ribeirao Preto of Medical School of USP. Results: The studied genetic polymorphisms (MMP1 1607, MMP1 -519, MMP3 -1171, IL2 -384, IL2 114, IL6 -174, LTA 252 and XRCC1), separately analyzed, did not have any statistical significant effect on the overall and cause-specific survival. High levels of alcohol consumption (g/L/day) reduced the overall survival (80-119 g/L/day: hazard ratio(HR)=4.0 intervals with 95% of confidence (95%CI)=1.10-14.53; _120 g/L/day:HR=5.6 95%CI=1.71-18.24). Multiple Cox model revealed, when adjusted for MMP3 -1171 genetic polymorphism, lower survival for those patients (80-119g/L/day: HR=4.9 95%CI=1.07-22.91; _120 g/L/day: HR=6.3 95%CI=1.49-26.84). The clinical staging (CS) IV was a factor for low cause-specific survival (CS IV:HR=3.5 95%CI 1.67-7.28). In the multiple Cox model, adjusted for genetic polymorphism IL6 -174 and MMP1 1607, the survival of those patients droppe(HR=4.7 95%CI=1.38-16.25). Conclusions: In this cohort, only three of eight genetic polymorphisms studied were showed to be related with overall and causespecific survival, however only modifying the effect of unadjusted HR of alcohol consumption and tumor clinical staging in the overall and cause-specific survival respectively. None of the studied genetic polymorphisms, when analyzed separately,affected the survival of laryngeal cancer patients

    Human papillomavirus and prognostic of head and neck cancer

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    Introdução. O Papilomavírus humano (HPV), particularmente o tipo 16, têm sido associado com risco e prognóstico de tumores de cabeça e pescoço. Contudo, o papel do DNA do HPV e resposta sorológica na sobrevida neste grupo de pacientes ainda não está claro. Objetivos. Avaliar o efeito do HPV (resposta sorológica e detecção do DNA no tecido tumoral) na sobrevida de pacientes com carcinoma epidermóide de cabeça e pescoço, considerando-se as distintas localizações anatômicas (cavidade oral, orofaringe, hipofaringe e laringe). Material e métodos. Coorte de 1.475 pacientes com carcinoma epidermóide de cabeça e pescoço, oriundos de dois estudos multicêntricos, diagnosticados entre novembro de 1998 e dezembro de 2008 e acompanhados até 30 de junho de 2009. Detecção de DNA do HPV no tecido tumoral foi feita pela técnica de PCR (Polymerase Chain Reaction) em tecido fresco e material parafinado. Resposta sorológica às proteínas do HPV foi determinada pela técnica Multiplex Luminex. Sobrevida global e específica pela doença foram calculadas pelo método atuarial (tábuas de vida). Curvas de sobrevida de Kaplan-Meier e teste Log-rank para comparação de curvas de sobrevida foram calculados. Hazard ratio (HR) do efeito da infecção pelo HPV nos tumores de cabeça e pescoço e respectivo intervalo com 95 por cento de confiança (IC95 por cento ) foram calculados via modelo de regressão de Cox ajustado pelas variáveis: estudo de origem dos casos, sexo, idade, educação, consumo de tabaco e de álcool, estadiamento do tumor e tratamento, assim como hábitos sexuais para a subcoorte com esta informação. Resultados. Prevalência de DNA do HPV 16 no tecido tumoral foi de 6,7 por cento nos casos recentes (2003-2008) comparado com 1 por cento nos casos iniciais (1998-2002) para a subcoorte de São Paulo. Aumento da soropositividade para HPV 16 E7 nos casos do estudo mais recente (2003-2008) comparado com os casos do estudo inicial (1998-2002) resultou estatisticamente significante. Foi observada pobre concordância entre os resultados de sorologia e DNA do HPV. Pacientes mais jovens (50 anos), que não fumavam e com tumores de orofaringe apresentaram risco aumentado na resposta sorológica à proteína E6 do HPV 16. Prática de sexo oral associou-se com resposta sorológica conjunta às proteínas E6 e E7 do HPV 16. Pacientes soropositivos para HPV 16 E6 apresentaram maior sobrevida global (HR=0,62; IC95 por cento =0,44-0,87), adicionalmente observou-se que a resposta sorológica conjunta às proteínas E6 e E7 do HPV incrementou a sobrevida dos pacientes com tumores de cabeça e pescoço (HR=0,34; IC95 por cento 0,17-0,70) e de orofaringe (HR=0,17; IC95 por cento 0,05-0,59). Conclusões. A prevalência da infecção pelo HPV entre pacientes com tumores de cabeça e pescoço aumentou no período estudado. O estudo sugere que resposta sorológica conjunta às proteínas E6 e E7 do HPV 16 pode estar associada com maior sobrevida global nos tumores de cabeça e pescoço, especificamente nos pacientes com tumores de orofaringeIntroduction. Human papillomavirus (HPV), especially type 16, had been associated with risk and prognostic of head and neck cancer. However, the role of HPV DNA and serological response in survival of patients with head and neck cancer is not yet clear. Objectives. Evaluate the effect of HPV (serological response and HPV DNA tumor status) in survival of patients with squamous cell carcinoma of head and neck (SCCHN), according to anatomical sites (oral cavity, oropharynx, hypopharynx and larynx). Material and methods. Cohort of 1,475 patients with SCCHN, from two multicentre studies diagnosed between November 1998 and December 2008 and followed-up until 30 of June 2009. HPV DNA detection was evaluated by PCR (Polymerase Chain Reaction) in fresh tissue and paraffin blocks. Antibodies to HPV in the serum were determinated by Multiplex Luminex technique. Overall and disease specific survival were calculated by actuarial method. Kaplan-Meier survival curves and Log-rank test in order to compare survival curves were calculated. Hazard ratio (HR) and 95 per cent of interval confidence (95 per cent IC) for Cox model regression were used to evaluate the effect of HPV infection in SCCHN, adjusted by variables: study group, sociodemographics, tobacco and alcohol consumption, tumor clinical stage and treatment, and also sexual habits in the subcohort with available information. Results. HPV DNA 16 tumoral status prevalence was 6.7 per cent in recent cases (2003-2008) compared to 1 per cent in old cases (1998-2002), only for subcohort of São Paulo. Seropositivity to HPV 16 E7 increased in the late cases (2003-2008) compared to old cases (1998-2002) and was statistically significant. Poor concordance was showed between DNA HPV and serological response to HPV. Younger patients (50 years old), no smokers and with oropharyngeal tumors showed increased risk to HPV 16 E6 serological response. Oral sex was associated with HPV 16 E6 and E7 simultaneously. Seropositivity to HPV 16 E6 had longer overall survival (HR=0.62; 95 per cent CI=0.440.87), additionally HPV 16 E6 and E7 serological response increased the survival of head and neck cancers (HR=0.34; 95 per cent CI 0.17-0.70) and oropharyngeal cancer (HR=0.17; 95 per cent CI 0.05-0.59) Conclusions. Prevalence of HPV infection in patients with SCCHN had increased in the study period. The study suggests that HPV 16 E6 serological response could be associated with increased overall survival in patients with SCCHN tumors and specifically with oropharyngeal cance

    Working Conditions as Risk Factors for Depressive Symptoms among Spanish-Speaking Au Pairs Living in Germany—Longitudinal Study

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    Previous studies have shown poor working conditions and poor mental health among au pairs. However, there are limited longitudinal approaches to these conditions. Therefore, the main objectives of this study were to assess the occurrence of depressive symptoms longitudinally and to analyze the association between sociodemographic characteristics, working conditions and violence at work with depressive symptoms over time among Spanish-speaking au pairs living in Germany. A prospective cohort study was performed with three measurement intervals, which included 189 participants. Depressive symptoms were assessed by the Patient Health Questionnaire (PHQ-9). Generalized Estimating Equation (GEE) models were implemented to estimate the association between predictors and depressive symptoms. Au pairs who worked >40 h per week were more than three times more likely to experience depression than those who did not (OR: 3.47; 95% CI: 1.46–8.28). In addition, those exposed to physical violence were almost five times more likely to suffer from depression (OR: 4.95; 95% CI: 2.16–9.75), and au pairs who had bad schedule adaptation to social and family commitments had twice the risk of depression than those who did not (OR: 2.24; 95% CI: 0.95–5.28). This knowledge could be of interest for future au pairs, host families, au pair agencies and policy makers. Together, they could improve awareness and monitoring of au pair working conditions

    Motivational factors, learning strategies and competencies in natural sciences

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    It is analyzed the relationship between the motivational factors with the learning strategies that the students of the Department of Cauca in Colombia present in front of the basic standards of competencies in Natural Sciences. A non-experimental study was carried out with a quantitative approach, correlational type of study, and cross-sectional study time, with 423 participants. As instruments, the EDAOM, EMPA questionnaires, and the results of the basic standards of competencies in natural sciences according to the ICFES tests were applied. The findings indicate that motivation is not the determining factor for the low results obtained in the ICFES, but learning strategies are, so it is necessary to devise and contribute to creating these to obtain better student results

    Tuberculosis and latent infection in employees of different prison unit types

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    ABSTRACT OBJECTIVE Estimate the prevalence of active tuberculosis and latent tuberculosis infection among the staff that is in contact and the staff that is not in contact with prisoners, and investigate factors associated with latent tuberculosis infection in this population. METHODS Observational cross-sectional study, conducted from 2012 to 2015, in employees of different prison units in the municipality of Franco da Rocha, SP. It consisted of the application of a questionnaire, application and reading of the tuberculin test, sputum smear microscopy, sputum culture, and radiological examination. The association between the qualitative variables was calculated by the Pearson's chi-squared test. The sociodemographic and clinical-epidemiological factors related to the latent tuberculosis infection were evaluated by the logistic regression with the odds ratios (OR) calculation and their respective intervals with 95% of confidence (95%CI). RESULTS A total of 1,059 employees were examined, 657 (62.0%) of prisons, 249 (23.5%) of CASA Foundation units and 153 (14.5%) of custodial and psychiatric treatment hospitals. The tuberculin test was applied and read for 945 (89.2%) professionals. Of these, 797 (84.3%) were contacts of detainees and 148 (15.7%) were not. Among prison staff, the factors associated with latent tuberculosis infection were: contact with detainee (OR = 2.12, 95%CI 1.21–3.71); male gender (OR = 1.97, 95%CI 1.19–3.27); between 30 and 39 years old (OR = 2.98, 95%CI 1.34–6.63), 40 to 49 years old (OR = 4.32, 95%CI 1.94–9.60), and 50 to 59 years old (OR = 3.98, 95%CI 1.68–9.43); nonwhite color or race (OR = 1.89, 95%CI 1.29–2.78); and smoker (OR = 1.64, 95%CI 1.05–2.55). There were no positive test on sputum smear microscopy and culture. Of the 241 (22.8%) professionals who underwent radiological examination, 48 (19.9%) presented alterations of which 11 were suspected of tuberculosis. CONCLUSIONS Prison employees who have direct contact with detainees are 2.12 times more likely to become infected with Mycobacterium tuberculosis in the work environment and consequently to become ill with tuberculosis and should be targeted for disease prevention and control
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