Banca de DEFESA: TATIANE COSTA MEIRA

Uma banca de DEFESA de DOUTORADO foi cadastrada pelo programa.
DISCENTE : TATIANE COSTA MEIRA
DATA : 30/10/2019
HORA: 09:00
LOCAL: Sala 05 ISC/UFBA
TÍTULO:

Epidemiology of noise exposure and hearing loss among manufacturing workers
in Bahia, Brazil, 2014-2018

PALAVRAS-CHAVES:

Epidemiology of noise exposure and hearing loss among manufacturing workers
in Bahia, Brazil, 2014-2018

PÁGINAS: 150
GRANDE ÁREA: Ciências da Saúde
ÁREA: Saúde Coletiva
SUBÁREA: Epidemiologia
RESUMO:

ABSTRACT
Introduction: Working in the manufacturing industry commonly involves high levels
of noise. The main consequence of this is Noise-induced Hearing Loss, a common
occupational disease which, although preventable, is irreversible and usually
acquired during a worker’s most productive years, causing harm to the individual,
their family and society. There are gaps about the extent of this problem in Brazil and
globally, particularly in relation to gender differences. Aim: To assess the extent of
noise exposure and hearing loss in workers in the manufacturing industry and its
subsectors, taking into account gender differences. Methods: We conducted an
initial theoretical study aimed at immersion in the issue of gender differences at work,
with a focus on hearing health. We then conducted epidemiological studies using
secondary data referring to all workers in companies in Bahia that implemented the
Environmental Risks Prevention Programme (Programa de Prevenção de Riscos
Ambientais: PPRA) and the Occupational Health Medical Control Programme
(Programa de Controle Médico de Saúde Ocupacional: PCMSO) through the Bahia
Regional Department of the Social Service of Industry between 2014 and 2018;
manufacturing industries were classified according to the National Classification of
Economic Activities. The main variables were noise exposure, in line with the PPRA
assessment, and hearing loss, as defined by audiometry. We estimated the
prevalence for each subsector of the manufacturing industry, separating men and
women. Results: Few studies include any discussion of the issue of gender when
addressing hearing loss in workers and there is a certain neglect of women in these
studies. Between 2014 and 2018, 129,860 workers were assessed from companies
from all 24 manufacturing industry subsectors, 73.5% of these were men. During this
period, the prevalence of noise exposure was 13.9%, estimated as 16.9% in men
and 5.6% in women. Among men, exposure to noise at work was more common in
the manufacture of wood, tobacco, non-metallic minerals and textile products, and
machinery and equipment. For women, exposure to noise at work was more common
in the manufacture of textiles, tobacco and metal, except machinery and equipment.
Hearing loss among workers exposed to noise was 17.8%, estimated as 19.2%
among men and 5.8% among women. For men, at least 1 in 4 workers had hearing
loss in seven of the 24 subsectors: the manufacture of machinery and equipment;
miscellaneous products; electrical machinery, apparatus and materials; tobacco
products; other transport equipment, except motor vehicles; beverages; and the
printing and reproduction of recorded media. Among women, hearing loss was more
prevalent in the manufacture of furniture, tobacco products and clothing articles and
accessories. We also noted variations in the degree of noise exposure and hearing
loss between occupations, with differences between men and women. Conclusion:
Measures adopted to avoid noise exposure and hearing loss in the manufacturing
industry are inadequate, given that a significant portion of workers continue to be at
risk. Planning interventions must prioritize workers in those subsectors that involve
more vulnerable activities and occupations and must recognize evidence of gender
differences.
Keywords: Noise, Occupational; Hearing Loss; Industry; Occupational Health;
Epidemiology.

MEMBROS DA BANCA:
Externo à Instituição - CLAUDIA GIGLIO DE OLIVEIRA GONÇALVES
Externo à Instituição - MÁRCIA TIVERON DE SOUZA
Interno - 3115978 - SILVIA FERRITE GUIMARAES
Externo à Instituição - THAIS CATALANI MORATA
Interno - 076.826.465-00 - VILMA SOUSA SANTANA - UFBA