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2015 ; 13
(ä): 71
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Impact of wind turbine sound on general health, sleep disturbance and annoyance
of workers: a pilot- study in Manjil wind farm, Iran
#MMPMID26464802
Abbasi M
; Monazzam MR
; Akbarzadeh A
; Zakerian SA
; Ebrahimi MH
J Environ Health Sci Eng
2015[]; 13
(ä): 71
PMID26464802
show ga
BACKGROUND: The wind turbine's sound seems to have a proportional effect on
health of people living near to wind farms. This study aimed to investigate the
effect of noise emitted from wind turbines on general health, sleep and annoyance
among workers of manjil wind farm, Iran. MATERIALS AND METHODS: A total number of
53 workers took part in this study. Based on the type of job, they were
categorized into three groups of maintenance, security and office staff. The
persons' exposure at each job-related group was measured by eight-hour equivalent
sound level (LAeq, 8 h). A Noise annoyance scale, Epworth sleepiness scale and
28-item general health questionnaire was used for gathering data from workers.
The data were analyzed through Multivariate Analysis of variance (MANOVA) test,
Pillai's Trace test, Paired comparisons analysis and Multivariate regression test
were used in the R software. RESULTS AND DISCUSSION: The results showed that,
response variables (annoyance, sleep disturbance and health) were significantly
different between job groups. The results also indicated that sleep disturbance
as well as noise exposure had a significant effect on general health. Noise
annoyance and distance from wind turbines could significantly explain about 44.5
and 34.2 % of the variance in sleep disturbance and worker's general health,
respectively. General health was significantly different in different age groups
while age had no significant impact on sleep disturbance. The results were
reverse for distance because it had no significant impact on health, but sleep
disturbance was significantly affected. CONCLUSIONS: We came to this conclusion
that wind turbines noise can directly impact on annoyance, sleep and health. This
type of energy generation can have potential health risks for wind farm workers.
However, further research is needed to confirm the results of this study.