Just saw the thread.
Married with kids here. I am not really too surprised that the survey shows the majority of guys who indulge in this 'hobby' are married with kids. I guess "lost the spark a few years in to the marriage' is a universal occurrence.
The bitter truth, as I concluded very soon in this hobby, is that once you get to enjoy to eat out, the home food, healthy as it might be, doesn't taste as good. At home, you can not replicate the thrill of browsing, communicating, anticipating, experiencing and reminiscing company of an escort. Also, the biggest thing is variety and no strings being attached.
I am sure if you did a survey about age groups, most of the men would be above 40.