Each patient was asked whether they wished to stop smoking and all those who said they wanted to quit were included in the study.
Patients were split into four groups based on their preferred method of smoking cessation treatment: Of those 14 opted for hypnotherapy alone, 19 chose nicotine replacement (NRT) while 18 went for a combination of hypnotherapy and NRT.
Sixteen patients who wished to try to quit "cold turkey" were assigned as the control group and received brief counselling.
Patients in the three other groups all received intensive counselling, free supply of NRT and/or a free hypnotherapy session within seven days of discharge. After that they received series of six follow-up telephone check-up calls spread over 26 weeks after discharge.
Patients receiving hypnotherapy also were taught self-hypnosis and given tapes to play at the end of the session.
Twenty-six weeks after discharge the proportions who remained non-smoker were as follows: