Urinary heavy metals, phthalates, perchlorate, nitrate, thiocyanate, hydrocarbons, and polyfluorinated compounds are associated with adult hearing disturbance: USA NHANES, 2011–2012

Shiue, Ivy (2015) Urinary heavy metals, phthalates, perchlorate, nitrate, thiocyanate, hydrocarbons, and polyfluorinated compounds are associated with adult hearing disturbance: USA NHANES, 2011–2012. Environmental Science and Pollution Research, 22 (24). pp. 20306-20311. ISSN 0944-1344

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Abstract

Background
Links between environmental chemicals and human health have emerged, but the effects on hearing were less studied. Therefore, the aim of the present study was to investigate the relationships of different sets of environmental chemicals and the hearing conditions in a national and population-based setting.

Methods
Data was retrieved from the US National Health and Nutrition Examination Surveys, 2011–2012 including demographics, serum measurements, lifestyle factors, self-reported hearing conditions, and urinary environmental chemical concentrations. Chi-square test, t test, and survey-weighted logistic regression models were performed.

Results
Among the American adults aged 20–69 (n=5560), 462 (8.3 %) people reported their hearing condition as moderate trouble to deaf. They had higher levels of urinary hydrocarbons and polyfluorinated compounds but not heavy metals, phthalates, arsenic, pesticides, phenols, parabens, perchlorate, nitrate, and thiocyanate concentrations. Also, 466 (10.0 %) people had hearing difficulties during conversation. They had higher levels of urinary cobalt (odds ratio (OR) 1.27, 95 % confidence interval (95%CI) 1.00–1.63), molybdenum (OR 1.45, 95%CI 1.04–2.02), strontium (OR 1.56, 95%CI 1.10–2.21), phthalates, perchlorate (OR 1.27, 95%CI 1.05– 1.54), nitrate (OR 1.60, 1.03–2.49) and thiocyanate (OR 1.22, 95%CI 1.01–1.48) concentrations but not arsenic, pesticides, phenols, parabens, hydrocarbons, and polyfluorinated compounds. Moreover, people who reported difficulties in following conversation with background noise had higher levels of urinary tin concentrations (OR 1.17, 1.00–1.36).

Conclusions
Urinary heavy metals, phthalates, perchlorate, nitrate, thiocyanate, hydrocarbons, and polyfluorinated compounds were associated with the adult hearing disturbance, although the causality cannot be established. Elimination of these environmental chemicals might need to be considered in future environmental health policy and health intervention programs.

Item Type:	Article
Additional Information:	Published online first 21-10-2015. No external funders. Copy of AM requested 3-11-15 PB.
Uncontrolled Keywords:	Chemicals, Risk factor, Hearing, Adult health, Toxins, Environmental epidemiology, Audiometry
Subjects:	B200 Pharmacology, Toxicology and Pharmacy B600 Aural and Oral Sciences
Department:	Faculties > Health and Life Sciences > Nursing, Midwifery and Health
Depositing User:	Paul Burns
Date Deposited:	03 Nov 2015 14:21
Last Modified:	12 Oct 2019 15:28
URI:	http://nrl.northumbria.ac.uk/id/eprint/24282

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