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This is a descriptive cross-sectional study. The sample consisted of 235 nurses from two intensive care units in Porto (Portugal). The purpose of this study was to identify stressors for nurses working in intensive care units. The data was collected using the following: i) a questionnaire (for socio-demographic variables, physical aspects of work and variables related to the work context; ii) Interpersonal Work Relations Scale; iii) Nurse Stress Index.Nurses in the early phase of their career have higher stress levels ( X = 81). An inadequate physical work structure leads to higher stress levels (X = 83). The worse the interpersonal relations are, the higher stress levels nurses feel (Spearman correlation coefficient =-0.331).Nurses who have a bad relationship with their work superiors view the dimension "Support Portugal, e teve como objetivo conhecer alguns fatores geradores de estresse em enfermeiros que trabalham em unidades de terapia intensiva. Na recolha de dados, utilizou-se: i) questionário de autopreenchimento (para as variáveis sociodemográficas, para os aspectos físicos do serviço e para as variáveis relacionadas ao contexto de trabalho); ii) a escala das relações interpessoais no trabalho e iii) a nurse stress index.Pelos resultados, observa-se que enfermeiros, em início de carreira, têm níveis de estresse mais elevados ( X =81); estrutura física não adequada conduz a níveis de estresse mais elevados (X=83); quanto pior é a relação interpessoal maiores são os níveis de estresse (coeficiente de correlação de Spearman=-0,331). Os enfermeiros que estabelecem má relação com as chefias percepcionam a dimensão apoio e envolvimento organizacional como fonte geradora de estresse (teste t de Student, p<0,001).Descritores: Estresse; Enfermagem; Unidades de Terapia Intensiva. Factores generadores de estrés en enfermeros en unidades de terapia intensivaSe trata de un estudio de tipo descriptivo y transversal, en total la muestra fue constituida con 235 enfermeros pertenecientes a dos unidades de terapia intensiva de la ciudad del Porto (Portugal), con el objetivo de conocer algunos factores generadores de estrés de enfermeros que trabajan en unidades de terapia intensiva. En la recolección de datos se utilizó: 1) un cuestionario de auto llenado (para las variables sociodemográficas, para los aspectos físicos del servicio y para las variables relacionadas con el contexto de trabajo);2) la Escala de las Relaciones Interpersonales en el Trabajo; y 3) la Nurse Stress Índex.Se identificó que los enfermeros en inicio de carrera tiene niveles de estrés más elevados ( X = 81); que una estructura física inadecuada conduce a niveles de estrés más elevados (X=83); que cuanto peor es la relación interpersonal, mayores son los niveles de estrés (Coeficiente de correlación de Spearman =-0,331); que los enfermeros que establecen una mala relación con los jefes perciben la dimensión "Apoyo y envolvimiento organizacional" como fuente generadora de estrés (t-Student, p<0,001). Se recomienda implementar programas de intervención ...

Introduction/Objective Adolescence is a critical period for the development of obesity. Obesity arises from a complex interaction between several factors, which are not yet fully understood. Therefore, the purpose of this review was to identify and assess the peer-reviewed scientific literature on the behavioral, contextual and biological factors associated with obesity in adolescents. Methods PubMed and Scopus were systematically searched to identify prospective cohort studies concerning the relation between behavioral, contextual and biological factors and obesity in adolescents aged 10 to 18 years. Results 40 studies published between the year 2000 and 2018 were included. A positive consistent association between genetic factors and obesity during adolescence was found. Also, there is evidence to support the association between socioeconomic status and obesity. There was conflicting evidence for the contribution of dietary intake, physical activity, sedentary behavior, sleep, food store environment, school food environment. For the remaining factors no associations were found, or no conclusions could be drawn due to the limited number of studies identified. Conclusions Further prospective studies that assess multiple obesity determinants simultaneously and use state-of-art measures are warranted to aid in the development of effective strategies and interventions to prevent obesity during adolescence.

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