In this study, the effectiveness of a motivational interviewing smoking cessation YOU-TURN program for adolescents was examined. The program was based on the self-determination theory.

The study was carried out with a nonequivalent control group pretest-posttest design. Participants in the present study were 136 high school students living in D city. The students were assigned to the experimental group (n=52) who participated in the motivational interviewing smoking cessation YOU-TURN program based on self-determination theory, or to the control group (n=84) who participated in a general smoking cessation program. Data were collected from September 1, 2013 through April 30, 2014. Collected data were analyzed using SPSS PC+ 21.0 with Chi-square test, Fisher's exact test, t-test, Mann-Whitney U test, Repeated Measures ANOVA, and MANOVA-Wilk's Lambda.

The experimental group had a significant increase in basic psychological needs, and duration of quitting-smoking in comparison with the control group. The experimental group had a significant decrease in cigarettes smoked per day and cotinine in urine in comparison with the control group.

The motivational interviewing YOU-TURN program, when delivered to adolescents who smoked, was effective in discouraging smoking, and can be utilized as an effective nursing intervention for adolescents who smoke.

This study examined the effectiveness of an Adolescent Motivational Interviewing Cessation program on smoking cessation change. The study was done with a nonequivalent control group pretest-posttest design.

The participants were 39 high school students from G city, who were in school from September 1 to October 30, 2009. The students were assigned to the experimental group (20) and participated in the motivational interviewing cessation program or to the control group (19) who did not participate. Data analyses involved χ²-test, independent t-test, Repeated Measures ANOVA, and utilized the SPSS program.

The experimental group had significantly less daily smoking, nicotine dependence and smoking temptation in comparison to the control group. The experimental group had significantly higher stage of change in comparison to the control group.

The results of the study indicate that a motivational interviewing cessation program delivered to adolescents who smoke is an effective method of encouraging cessation, and can be utilized as an effective nursing intervention for adolescents who smoke.