Ideas of reference are a common feature of delusions in the victims of paranoidschizophrenia and similar psychoses. These delusions make the victim imagine that other people's conversations, newspaper headlines, and other human communications have a hidden meaning that impacts the victim directly.
... age of 18, 4.8% from 18 to 24, 27.3% from 25 to 44, 28.7% from 45 to 64, and 13.9% who are 65 years of age or older. The median age is 41 years. For every 100 females ...