Occupational noise exposure and age correction: The problem of selection bias

Dobie Robert A

Research output: Contribution to journalComment/debate

Abstract

Selection bias often invalidates conclusions about populations based on clinical convenience samples. A recent paper in this journal [1] makes two surprising assertions about noise-induced permanent threshold shift (NIPTS): first, that there is more NIPTS at 2 kHz than at higher frequencies; second, that NIPTS declines with advancing age. Neither assertion can be supported with the data presented, which were obtained from a clinical sample; both are consistent with the hypothesis that people who choose to attend an audiology clinic have worse hearing, especially at 2 kHz, than people of the same age and gender who choose not to attend.

Original languageEnglish (US)
Pages (from-to)3023-3024
Number of pages2
JournalInternational Journal of Environmental Research and Public Health
Volume6
Issue number12
DOIs
StatePublished - Dec 1 2009

Keywords

  • Age correction
  • Age-related
  • NIPTS
  • Noise-induced
  • Selection bias

ASJC Scopus subject areas

  • Public Health, Environmental and Occupational Health
  • Health, Toxicology and Mutagenesis

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