Neither Favor Hamilton nor officials from the Big Ten immediately responded to requests from The Associated Press seeking comment.
Prostitution is legal in most rural counties in Nevada, but is illegal in Las Vegas and Reno. A Las Vegas police spokeswoman did not immediately respond to a message about whether the department was investigating. Telephone numbers for the escort service Hamilton said she worked for were not in service and attempts to reach a company representative by email were not immediately successful.
Favor Hamilton is a three-time outdoor 1,500-meter national champion and a three-time indoor national champion — her last title coming in 1999.
“As crazy as I know it seems, I never thought I would be exposed, therefore never hurting anybody,” she said in one Twitter post.
In another, she says she is seeking psychological care for her problem.
She closes her series of tweets by saying, “I fully intend to make amends and get back to being a good mother, wife, daughter, and friend.”