title: [The prevalence of tinnitus in children in Poland].
abstract: OBJECTIVE
  The objective of this study was to estimate the prevalence of the tinnitus in 7- and 12-year-old children in Poland.
  
  
  METHODS
  In this study 118,005, 7-year-old children and 23,339, 12-year-old children and their parents were asked about the presence of tinnitus by answering a questionnaire. 7-year-old children were asked by tester if they can hear noise in their ears or head.
  
  
  RESULTS
  The results showed that according to parents questionnaire answers tinnitus was present in group of 15,244 (12.9%) 7-year-old children and in group of 3886 (16.6%) 12-year-old children. Between 7-year-old children directly asked for tinnitus 29.3% (34,517) mentioned of having it. Group of 8060 (34.5%) 12-year-old children confirmed in questionnaire hearing tinnitus. Differences in the presence of tinnitus between 7- and 12-year-old children have proven to be statistically significant.
  
  
  CONCLUSIONS
  Tinnitus is frequent complain among 7- and 12-year-old children. It is recommended to include to a questionnaire an inquiry about the presence of tinnitus during hearing screening tests performed recently more frequently at primary schools for early detection a diagnosis of tinnitus.
authors.affiliation: Instytut Fizjologii i Patologii Słuchu, Kajetany, Poland. d.koziak@ifps.org.pl
authors.forename: Danuta
authors.initials: D
authors.lastname: Raj-Koziak
authors.forename: Henryk
authors.initials: H
authors.lastname: Skarżyński
authors.forename: Krzysztof
authors.initials: K
authors.lastname: Kochanek
authors.forename: Anna
authors.initials: A
authors.lastname: Fabijańska
mesh_terms: D000367:Age Factors; D002648:Child; D005260:Female; D006801:Humans; D008297:Male; D008403:Mass Screening / Q000706:statistics & numerical data*; D011044:Poland / Q000453:epidemiology; D015995:Prevalence; D011795:Surveys and Questionnaires; D014012:Tinnitus / Q000175:diagnosis* / Q000453:epidemiology*