A woman has died of water intoxication after taking part in a radio station's water-drinking contest. Jennifer Strange, 28, was in the "Hold Your Wee for a Wii" competition, trying to win a Nintendo Wii game system. Sacramento Assistant County Coroner Ed Smith said yesterday a preliminary investigation had found evidence "consistent with a water intoxication death". Strange's mother found her daughter's body on Saturday at her home in the Sacramento suburb of Rancho Cordova, after Strange had called her work supervisor to say she was heading home in terrible pain. "She said to one of our supervisors that she was on her way home and her head was hurting her real bad," said Laura Rios, one of Strange's co-workers at Radiological Associates of Sacramento. "She was crying and that was the last that anyone had heard from her." Earlier on Saturday, Strange took part in a contest at radio station KDND 107.9, in which participants competed to see how much water they could drink without going to the toilet. Initially, contestants were handed 220ml bottles of water to drink every 15 minutes. "They told us, 'if you don't feel like you can do this, don't put your health at risk'," said a fellow contestant. "I was talking to her and she was a nice lady. She was telling me about her family and her three kids and how she was doing it for the kids." Water intoxication occurs when the body takes in more water than it can get rid of, causing a dilution of crucial electrolytes.