The age distribution is somewhat different between men and women. With the latter the progression through the different age groups is almost linear, going from 6% to 16%, with, however, a reduction amongst the 55-64 year-olds (8%).
Chez les hommes, la prévalence de ces troubles est de 4 % chez les personnes de 14 à 34 ans, et se stabilise ensuite autour de 6 % à 7 % jusqu’à 75 ans.