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Effects of urbanization on biological rhythms and metabolic repercussions on the health of workers in an Amazonian community

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Author(s):
Andressa Juliane Martins
Total Authors: 1
Document type: Doctoral Thesis
Press: São Paulo.
Institution: Universidade de São Paulo (USP). Faculdade de Saúde Pública (FSP/CIR)
Defense date:
Examining board members:
Claudia Roberta de Castro Moreno; Felipe Beijamini; Cibele Aparecida Crispim; Frida Marina Fischer
Advisor: Claudia Roberta de Castro Moreno
Abstract

Aim - To evaluate the sleep, biological rhythms and metabolism of workers of an Amazonian community of Acre, according to different degrees of urbanization of the residences. Methods - Three different sub-studies were performed. In the first study, data were analyzed regarding socio-demographic characteristics, anthropometric measurements, lifestyle, sleep characteristics and referred morbidity of workers from the Xapuri Extractive Reserve, Acre. For the second study, a 24 hour recall data analysis was performed to obtain dietary patterns and their possible associations for sleep and sleepiness variables in workers. For the last study were collected and analyzed food data, anthropometric, metabolic variables, related to sleep and living habits of workers residing in the rural and urban regions of Xapuri. Results - Three manuscripts were produced that represented the three distinct sub-studies that compose this multiple work. The first study evaluated the effects of the type of work (high or low physical effort) and the sleep lifestyle of the workers of the Amazon reserve. The second study proposed a new approach in the evaluation of food consumption and its relationships with sleep and drowsiness of workers, involving the investigation of dietary patterns. The third study presented the main findings comparing rural and urban workers in the Amazon Reserve in relation to lifestyle, sleep, light exposure, metabolic aspects, nutritional status and food consumption. Conclusion - Regarding the metabolic aspects, there is a high prevalence of overweight and obesity among urban workers, as well as altered markers for metabolic diseases. As far as sleep is concerned, rural workers have a high prevalence of sleep disorders; however, among urban residents, there is a reduction in sleep duration, late sleep time and less light exposure. The study of dietary patterns has proved to be possible and effective in evaluating outcomes related to diet and biological rhythms, especially sleep. (AU)

FAPESP's process: 16/09582-0 - Food pattern, biological rhythms and effects on workers health of an Amazonian extractive reserve .
Grantee:Andressa Juliane Martins
Support Opportunities: Scholarships in Brazil - Doctorate