Nutritional Variables And Work-related Accidents: A Case-control Study

BACKGROUND: Nutritional aspects are important for the prevention of diseases and disorders, and few studies have focused on the relationship between risk of work injury and nutritional variables. OBJECTIVE: This study aimed to verify whether nutritional variables constitute risk factors for work-related accidents. PARTICIPANTS: 1,422 industrial workers (600 cases plus 822 controls). METHODS: A case-control study was carried out in an industrial city in south-east Brazil. A multiple logistic regression model was adjusted using work-related accidents as the response variable and nutritional variables as predictors. The associations were assessed by Odds Ratio (OR), with a p-value < 0.05. RESULTS: 47.29% of the workers were overweight or obese. Protective factors for work-related accidents were (a) attending formal education for an above average number of years (OR=0.91, p< 0.0001) and (b) eating a traditional dinner (OR=0.67, p=0.0087). Risks factors were (a) hard physical effort in the workplace (OR=1.37, p< 0.0001), (b) having lunch in the workplace (OR=1.57, p<0.0001) and (c) receiving government benefits in the form of food stamps (OR=1.39, p=0.0350) or food baskets (OR=1.30, p=0.0414). CONCLUSION: Our findings suggest an association between nutritional variables and work-related accidents. This indicates the need, during the formulation of policies for these kinds of government benefits, to include nutrition aspects in order to minimize work-related accidents risks.494619626(2010) Ministério da Previdência e Assistência Social. Empresa de Tecnologia e Informacões da Previdência Social, p. 872. , http://www.mpas.gov.br/conteudoDinamico.php?id=1161, Brasil. Anuário Estatístico da Previdência Social. AEPS 2010 [Internet]. 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Influência dos níveis de concentrado sobre os cortes comerciais, os constituintes não-carcaça e os componentes da perna de cordeiros confinados Effect of concentrate levels on retail cuts, non-carcass and leg components of crossbred feedlot lambs

Um experimento foi realizado com o objetivo de determinar a influência dos níveis de concentrado sobre o peso e o rendimento dos cortes e dos constituintes não-carcaça e a composição tecidual da perna de cordeiros mestiços de Dorper terminados em confinamento ou mestiços de Dorper x Santa Inês. Foram utilizados 32 cordeiros (não-castrados) ½ Dorper x ½ Santa Inês (peso médio inicial de 17,1 kg) alimentados com dietas contendo 30, 45, 60 e 75% de concentrado. Os cordeiros foram distribuídos em um delineamento inteiramente casualizado com quatro tratamentos e oito repetições. Os animais foram mantidos em confinamento durante 43 dias. Após o abate, as carcaças foram resfriadas por 24 horas. Foram registrados os pesos e as porcentagens dos cortes da meia-carcaça e as porcentagens de osso, músculos e tecido adiposo, avaliadas por meio de dissecação da perna. Houve efeito significativo linear crescente dos níveis de concentrado sobre os pesos de pescoço, paleta, costilhar, lombo e perna. Verificou-se também efeito significativo linear decrescente sobre os rendimentos dos cortes comerciais (pescoço, perna e paleta), excetuando-se o de costilhar, que cresceu linearmente. A espessura de gordura e a área de olho-de-lombo foram influenciadas pelos níveis de concentrado. Observou-se efeito significativo sobre os constituintes não-carcaça, exceto o trato digestório, que não foi afetado pelos níveis de concentrado. O aumento do nível de concentrado influenciou o peso e o rendimento dos cortes e órgãos internos e aumentou a proporção e a deposição de gordura na carcaça.<br>Thirty-two intact lambs averaging 17.1 kg of initial body weight were assigned to one of the following four treatments: 30, 45, 60 or 75% of dietary concentrate in a completely randomized design (eight lambs/treatment). Lambs were feedlot fed during the experimental period (43 days). After slaughter, carcasses were refrigerated for 24 h. It was measured the weights and percentages of five cuts from the half carcass as well as the proportion of muscle, bone and fat tissue from the leg. The weights of neck, shoulder, ribs, loin and leg all increased linearly by increasing the level of concentrate in the diet while the opposite was observed for the yields of neck, leg, and shoulder; yield of ribs followed the increment of concentrate in the diet and increased linearly. Fat thickness and loin eye area were both affected by the level of concentrate in the diet. The same was observed for the non-carcass components with the exception of digestive tract. Feeding increasing dietary levels of concentrate to lambs affected the weight and yield of retail cuts and internal organs and increased the proportion and deposition of fat in the carcass