Comparing the Effect of Lecturing and Mobile Phone Short Message Service (SMS), Based on the Theory of Planned Behavior on Improving Nutritional Behaviors of High School Students in the Prevention of Osteoporosis

Background: Osteoporosis is a common increasing disease on which the lifestyle has an important role. This study aimed to examine the two educational methods (lecture and texting) using the theory of planned behavior on improving the osteoporosis preventive nutritional behaviors in high school students. Materials and Methods: This semi-experimental study conducted on 138 female students in who were randomly assigned to three groups (intervention group (Lecture), intervention group (mobile phone short message service [SMS]), and control group, with equal group of 46 people. The data collection tool was a researcher made questionnaire consisting of three parts; part A consists of demographic questions, part B consists of questions based on the theory of planned behavior, and part C was the Food frequency questionnaire (FFQ). The questionnaire was completed by students three times of before, immediately after, and two months after the intervention. Results: There was no statistically significant difference in the mean of preventive nutritional behavior scores between the three groups before the intervention. But immediately after the intervention, and two months after that, a significant difference was observed between the mean scores of the preventive nutritional behaviors in the intervention and control groups (

The Effect of Educational Intervention on Knowledge, Attitude and Performance of High School Girl Students about AIDS

Introduction: Human immunodeficiency virus (HIV) and acquired immune deficiency syndrome (AIDS) is one of the most complex problems of health in the world. Since young population and mostly students are one of main groups at risk, this study was conducted to evaluate the effect of educational intervention on knowledge, attitude and performance of high school students about AIDS. Materials and Methods: This quasi-experimental study was conducted on 60 girls selected randomly from two public schools and they divided into two control and intervention groups. Research tool was a researcher-made questionnaire including two parts (demographic questions and specialized questions about AIDS). Firstly, a pretest was held, then 3 educational sessions were held on AIDS, its’ transmission and prevention ways by lecture, ask and answer, and educational pamphlet. Students took posttests immediately after educational intervention and two months later. Data were analyzed by statistical tests including chi-square test, paired t test, independent t, and Rapid Manager and using SPSS 13.   Results: Mean score of participants' knowledge about HIV was 16.8±3.8 before intervention; it increased to 24.4±3.1 immediately, and 24.5±3.1 two months after intervention (