The effectiveness of motivational interview on weight reduction and self-efficacy in Iranian overweight and obese women

Motivational interview is a client-centered method of counselling that seeks to elicit intrinsic motivation for changing behavior. One of elements of motivational interviewing counselling is supporting self-efficacy. The purpose of this study was to investigate the effectiveness of MI on weight reduction and self-efficacy. 30 overweight and obese women were randomized to MI and control groups. Subjects in intervention group received 4 sessions motivational interview. Two month after intervention, MI showed significant improvement in BMI and self-efficacy. This study suggests that motivational interviewing techniques are acceptable and may be useful for targeting and maintaining motivation in Iranian overweight and obese women.