Comparison of occurrence of tinnitus after visiting a discotheque in (A) 16- to 18-year-old (n = 20) and (B) 19- to 24-year-old (n = 41) women. Approximately two-thirds of the female disco visitors suffered from tinnitus in both age groups. Only 1 % of the 19- to 24-year-old group were unable to answer this question