Contexto familiar e atividade física de adolescentes: cotejando diferenças / Family context and the physical activity of adolescents: comparing differences

RESUMO: Introdução: O contexto familiar desempenha papel importante sobre a prática de atividade física (AF) de adolescentes. As intensas mudanças na composição familiar, com aumento das estruturas monoparentais, podem modular de maneira distinta esse comportamento. Objetivo: Estimar a prevalência de AF e associação da sua prática em meninos e meninas de 11 a 17 anos com variáveis de contexto familiar, ajustado por características sociodemográficas e estado nutricional. Métodos: Estudo transversal de base populacional, denominado "Saúde em Beagá", realizado em dois distritos sanitários de Belo Horizonte. O desfecho foi AF ≥ 300 minutos/semana, criado a partir de um escore que combinou tempo e frequência de deslocamento para a escola e AF de lazer. As variáveis do contexto familiar foram: presença dos pais e de adulto ativo no domicílio. Foi utilizada regressão de Poisson com variância robusta, estratificada por sexo. Resultados: Participaram 1.015 adolescentes, sendo 52,8% meninos e idade média de 14 (± 1,9) anos. A prevalência de AF foi de 38,8% para meninas e de 54,5% para meninos. Entre meninas, as variáveis de contexto familiar não foram significativamente associadas à AF. Meninos foram mais ativos quando havia um adulto no domicílio que praticava AF (RP = 1,26; IC95% 1,02 - 1,55) e quando moravam somente com a mãe (RP = 1,63; IC95% 1,01 - 2,63). Observou-se, ainda, que meninos que moravam com mãe e pai (RP = 1,90; IC95% 1,06 - 3,41) ou somente com mãe (RP = 1,82; IC95% 1,01 - 3,27) praticavam em maior frequência AF no seu tempo de lazer. Conclusão: A presença de adulto no domicílio, em especial a mãe, parece ser importante fator associado à prática de AF de meninos.

ABSTRACT: Introduction: Family context plays an important role with regard to the physical activity (PA) of adolescents. Intense changes in family composition, including an increase of single-parent structures can affect behavior. Objective: To estimate the prevalence of PA, between boys and girls of 11-17 years old, and investigate its association with family context variables. Methods: A cross-sectional population-based study "The BH Health Study" was conducted in two health districts of Belo Horizonte. The outcome was PA (≥ 300 minutes/week), which was created from a score that combined time and frequency of cycling and walking to school and leisure time. The independent variables were family context, sociodemographic characteristics and nutritional status. Poisson regression was used with a robust variance and was stratified by gender. Results: 1,015 adolescents participated, 52.8% of whom were male, with a mean age of 14 (± 1.9) years old. The prevalence of PA was 38.8% for girls and 54.5% for boys. Among girls, the family context variables were not significantly associated with PA. Boys were more active when there was an adult in the household reported who did PA (PR = 1.26; 95%CI 1.02 - 1.55) and when living with a single mother (PR = 1.63; 95%CI 1.01 - 2.63). It was also observed that boys that live with their mother and father (PR=1.90; 95%CI 1.06 - 3.41) or only with their mother (PR = 1.82; 95%CI 1.01 - 3.27) reported did PA more frequently in their free time. Conclusion: The presence of an active adult in the household, mainly the mother, appears to be an important factor associated with boys' PA.

Cosmecêuticos - Atualização / Cosmeceuticals - Up date

Este artigo discute os produtos tópicos que ficam entre os cosméticos (função decorativa) e as drogas (medicamentos que alteram a estrutura e a função da pele). Na verdade, os cosmecêuticos não são inofensivos como um cosmético, mas também não são medicamentos.

Investigation on the use of expired make-up and microbiological contamination of mascaras.

OBJECTIVES: This study investigated the habits of female students regarding make-up use, and quantifies the microbiological contamination of mascaras worn by this population. METHODS: To this end, 44 students answered a structured questionnaire to evaluate the use of expired make-up, shared usage and reports of adverse effects. Subsequently, make-up samples were collected to check the manufacturing registration and the expiration date and its visibility on the label. The total counts of microorganisms and identification of Pseudomonas aeruginosa and Staphylococcus aureus in mascara samples collected were performed as described in the Brazilian Pharmacopea (4th edition) RESULTS: According to the results obtained, 97.9 % (43/44) of participants reported that they use or have previously used make-up after the expiration date, with mascara being the most frequently mentioned product. It was observed that on the sample collection date, 70.5% (31/44) of the students had some type of expired make-up. The microbiological analysis of 40 mascara samples revealed 2.54 ± 1.76 10(4)  UFC mL(-1) bacteria and 2.55 ± 1.54 10(4)  UFC mL(-1) fungi. Analysis revealed the presence of S. aureus in 79% of samples and of P. aeruginosa in 13%. CONCLUSION: The results are interesting because they show that women tend to continue to use make-up beyond the expiry date. Frequently, these products have a high level of contamination with pathogenic microorganisms.