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1.
Braz. J. Psychiatry (São Paulo, 1999, Impr.) ; 40(3): 277-283, July-Sept. 2018. tab, graf
Article in English | LILACS | ID: biblio-959241

ABSTRACT

Objective: The effects of exposure to violent events in adolescence have not been sufficiently studied in middle-income countries such as Brazil. The aims of this study are to investigate the prevalence of psychiatric disorders among 12-year-olds in two neighborhoods with different socioeconomic status (SES) levels in São Paulo and to examine the influence of previous violent events and SES on the prevalence of psychiatric disorders. Methods: Students from nine public schools in two neighborhoods of São Paulo were recruited. Students and parents answered questions about demographic characteristics, SES, urbanicity and violent experiences. All participants completed the Kiddie Schedule for Affective Disorders and Schizophrenia (K-SADS) to obtain DSM-IV diagnoses. The data were analyzed using weighted logistic regression with neighborhood stratification after adjusting for neighborhood characteristics, gender, SES and previous traumatic events. Results: The sample included 180 individuals, of whom 61.3% were from low SES and 39.3% had experienced a traumatic event. The weighted prevalence of psychiatric disorders was 21.7%. Having experienced a traumatic event and having low SES were associated with having an internalizing (adjusted OR = 5.46; 2.17-13.74) or externalizing disorder (adjusted OR = 4.33; 1.85-10.15). Conclusions: Investment in reducing SES inequalities and preventing violent events during childhood may improve the mental health of youths from low SES backgrounds.


Subject(s)
Humans , Male , Female , Child , Adolescent , Exposure to Violence/psychology , Mental Disorders/epidemiology , Psychiatric Status Rating Scales , Schizophrenia/diagnosis , Socioeconomic Factors , Students/psychology , Brazil/epidemiology , Odds Ratio , Prevalence , Sex Distribution , Diagnostic and Statistical Manual of Mental Disorders , Exposure to Violence/statistics & numerical data , Mental Disorders/diagnosis
2.
Braz J Psychiatry ; 40(3): 277-283, 2018.
Article in English | MEDLINE | ID: mdl-29451584

ABSTRACT

OBJECTIVE: The effects of exposure to violent events in adolescence have not been sufficiently studied in middle-income countries such as Brazil. The aims of this study are to investigate the prevalence of psychiatric disorders among 12-year-olds in two neighborhoods with different socioeconomic status (SES) levels in São Paulo and to examine the influence of previous violent events and SES on the prevalence of psychiatric disorders. METHODS: Students from nine public schools in two neighborhoods of São Paulo were recruited. Students and parents answered questions about demographic characteristics, SES, urbanicity and violent experiences. All participants completed the Kiddie Schedule for Affective Disorders and Schizophrenia (K-SADS) to obtain DSM-IV diagnoses. The data were analyzed using weighted logistic regression with neighborhood stratification after adjusting for neighborhood characteristics, gender, SES and previous traumatic events. RESULTS: The sample included 180 individuals, of whom 61.3% were from low SES and 39.3% had experienced a traumatic event. The weighted prevalence of psychiatric disorders was 21.7%. Having experienced a traumatic event and having low SES were associated with having an internalizing (adjusted OR = 5.46; 2.17-13.74) or externalizing disorder (adjusted OR = 4.33; 1.85-10.15). CONCLUSIONS: Investment in reducing SES inequalities and preventing violent events during childhood may improve the mental health of youths from low SES backgrounds.


Subject(s)
Exposure to Violence/psychology , Mental Disorders/epidemiology , Adolescent , Brazil/epidemiology , Child , Diagnostic and Statistical Manual of Mental Disorders , Exposure to Violence/statistics & numerical data , Female , Humans , Male , Mental Disorders/diagnosis , Odds Ratio , Prevalence , Psychiatric Status Rating Scales , Schizophrenia/diagnosis , Sex Distribution , Socioeconomic Factors , Students/psychology
3.
Environ Health Perspect ; 120(10): 1475-80, 2012 Oct.
Article in English | MEDLINE | ID: mdl-22732598

ABSTRACT

BACKGROUND: Recent cross-sectional studies suggest a link between butylbenzyl phthalate (BBzP) in house dust and childhood eczema. OBJECTIVES: We aimed to evaluate whether concentrations of monobenzyl phthalate (MBzP), the main BBzP metabolite in urine, during pregnancy are associated prospectively with eczema in young children, and whether this association varies by the child's sensitization to indoor allergens or serological evidence of any allergies. METHODS: MBzP was measured in spot urine samples during the third trimester of pregnancy from 407 African-American and Dominican women residing in New York City in 1999-2006. Repeated questionnaires asked mothers whether their doctor ever said their child had eczema. Child blood samples at 24, 36, and 60 months of age were analyzed for total, anti-cockroach, dust mite, and mouse IgE. Relative risks (RR) were estimated with multivariable modified Poisson regression. Analyses included a multinomial logistic regression model for early- and late-onset eczema versus no eczema through 60 months of age. RESULTS: MBzP was detected in > 99% of samples (geometric mean = 13.6; interquartile range: 5.7-31.1 ng/mL). By 24 months, 30% of children developed eczema, with the proportion higher among African Americans (48%) than among Dominicans (21%) (p < 0.001). An interquartile range increase in log MBzP concentration was associated positively with early-onset eczema (RR = 1.52 for eczema by 24 months; 95% confidence interval: 1.21, 1.91, p = 0.0003, n = 113 reporting eczema/376 total sample), adjusting for urine specific gravity, sex, and race/ethnicity. MBzP was not associated with allergic sensitization, nor did seroatopy modify consistently the MBzP and eczema association. CONCLUSIONS: Prenatal exposure to BBzP may influence the risk of developing eczema in early childhood.


Subject(s)
Air Pollutants/toxicity , Air Pollution, Indoor/adverse effects , Eczema/chemically induced , Immunoglobulin E/blood , Maternal Exposure , Phthalic Acids/toxicity , Prenatal Exposure Delayed Effects/chemically induced , Adult , Black or African American , Air Pollutants/metabolism , Air Pollutants/urine , Air Pollution, Indoor/analysis , Allergens/blood , Child, Preschool , Cohort Studies , Dominican Republic/ethnology , Dust/analysis , Eczema/epidemiology , Female , Humans , Logistic Models , Longitudinal Studies , Male , New York City/epidemiology , Phthalic Acids/metabolism , Phthalic Acids/urine , Poisson Distribution , Pregnancy , Prenatal Exposure Delayed Effects/epidemiology , Young Adult
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