IRCT2014083118989N1 IRCT 2016-01-02 Vice Chansellor for Research,Tehran University of Medical Sciences Effect of the New Technologies-based Education on the life style and Obesity of Employees Development and Evaluation of the Effectiveness of an Intervention Based on New Communication Technologies and the Social-Cognitive Theory on the Weight Control and Lifestyle of the Employees With Overweight and Obesity 2013-12-22 anticipated 435 Complete https://irct.ir/trial/17095 interventional Randomization: Randomized, Blinding: Single blinded, Placebo: Not used, Assignment: Parallel, Purpose: Prevention. N/A Condition 1: Obesity. Condition 2: lifestyle. Intervention 1: Phone intervention: The intervention starts when the personal counsellor first calls the participant. The ”lifestyle programe” consists of 10 modules (lessons) that provide the participants with information on the nutrition and physical activity. The assignments teach the participants how to use the strategies in their daily lives. The intervention will be continued for 6 months. Subjects in the telephone- assisted group will be received the lessons via the SMS. Telephone consultations will be provided at the end of every two weeks. Intervention 2: Internet intervention: A website is developed for the intervention,With unique username and password for each participants. The employee is asked to fill out some personal details for the counselor .The ‘lifestyle programe” consists of 10 modules (lessons) that provide the participants with information on the nutrition and physical activity. The intervention will be continued for 6 months. Subjects in the web- assisted group will be received the lessons via the web . E-mail consultations will be provided at the end of every two weeks. Intervention 3: Control group: The control group will be received general brochures about lifestyle and overweight although they do not receive the lifestyle program.