From Janus and Janus (1993)

 
                    Have you ever had sex for money? (MEN)
 
 

                                    Income Group

                       $20,000          $50,000       $100,000

Response
 

  No                     80%              80%            80%
 

  Once                    7%               1%             3%
 

Occasionally/            13%              19%            17%
Often
 
 
 

From Diana (1985)
 

                Most common reasons given for using prostitutes
 

Regular partner
not available                  21%

Sexual variety                 20%

Some experience not
otherwise available            13%

Boredom                        12%

Curiosity                      10%