Demonstrated effectiveness of computer-delivered smoking cessation program for worksite. Veterans Administration Medical Center employees (N=58) were assigned to computer group or contest-only group. Computer group showed nonsignificantly higher abstinence rates across follow-up, had marginally lower carbon monoxide levels at 3- and 6- month follow-ups, and smoked cigarettes with lower nicotine levels at 10-day and 6-month follow-ups. (Author/PVV)