Mrs Atkins, an outspoken Christian and moralist, has said her daughter Adelaide had had an "adventure".
Police found her in Hammersmith, west London, after receiving a tip-off following a public appeal. She had disappeared from her home in Fulham 37 hours earlier, after leaving a note on the kitchen table saying: "Back shortly, don't worry". A note in her diary said "Today - I depart".
A Scotland Yard spokeswoman said last night: "As a matter of course, we would always point out to children the dangers of running away and the distress it causes to family and friends.Reuse content