| Background: Disability retirement, an outcome of permanent incapacity for work, represents 14.5% of pensions granted by the Brazilian National Social Security Institute. However, there are no data available for civil servants. Objective: To describe the epidemiological profile of disability retirement among employees of Oswaldo Cruz Foundation (FIOCRUZ) in the period from 2012 to 2016. Methods: Cross-sectional study in which we analyzed the following variables: age, sex, total working time, years of work at FIOCRUZ, position and reason for retirement as per ICD-10 codes. The significance level was set to p=0.05 and all the data are presented with 95% confidence interval. Results: The prevalence of disability retirement in the analyzed period was 113/10,000 employees. Employees granted disability retirement benefits worked about 9 years less. Odds for disability were higher for technicians (prevalence ratio-PR=6.83) and technical assistants (PR=7.67). Mental and behavioral disorders were the main reason for disability retirement (38.71%). Conclusion: Noncommunicable diseases are the main cause of disability retirement. We call the attention to the need to revise the legislation that establishes mandatory retirement after 24 months of sick leave. An interdisciplinary occupational health surveillance approach is necessary to obtain accurate knowledge of the actual situation in workplaces and of the impacts of work processes.
Objective: To evaluate the association between environmental exposure to the following chemical substances: cadmium (Cd), lead (Pb), nickel (Ni), manganese (Mn), benzene (BZN), and toluene (TLN), and Period Circadian Regulator 3 (PER3) gene variable number of tandem repeats (VNTR) polymorphisms, according to chronotype in a population living in a steel residue-contaminated area. Methods: This assessment comprises a study conducted from 2017 to 2019 with 159 participants who completed health, work, and Pittsburgh sleep scale questionnaires. Cd, Pb, Ni, Mn, BZN, and TLN concentrations in blood and urine were determined by Graphite Furnace Atomic Absorption Spectrometry (GFAAS) and Headspace Gas Chromatography (GC), and genotyping was carried out using Polymerase Chain Reaction (PCR). Results: A total of 47% of the participants were afternoon chronotype, 42% were indifferent, and 11% were morning chronotype. Insomnia and excessive sleepiness were associated with the indifferent chronotype, while higher urinary manganese levels were associated with the morning chronotype (Kruskal–Wallis chi-square = 9.16; p < 0.01). In turn, the evening chronotype was associated with poorer sleep quality, higher lead levels in blood, and BZN and TLN levels in urine (χ2 = 11.20; p < 0.01) in non-occupationally exposed individuals (χ2 = 6.98; p < 0.01) as well as the highest BZN (χ2 = 9.66; p < 0.01) and TLN (χ2 = 5.71; p < 0.01) levels detected in residents from the influence zone 2 (far from the slag). Conclusion: Mn, Pb, benzene, and toluene contaminants may have influenced the different chronotypes found in the steel residue-exposed population.
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