The content analysis of the first and second grade of secondary school textbooks due to first aid training

This research aims to study and review the concept of first aid training in first and second grade in textbooks of secondary school. Given the high number of casualties and disabilities in disasters in the country, students need to be familiar and train the first aid and so it should be included in textbooks.
In this study, content analysis (a checklist with 21 components) was used. Validity confirmed by some professors and experts and the reliability was 80%. About 200 textbooks were studied and 33 volumes were selected. For data analysis, frequency measurement technique and Shannon entropy theory were used.
Findings: The results were as follows: there were only two pages in the first grade books and in defense readiness book of the grade ninth; it is referred to the first aid training in general-required textbooks in 12 pages. In addition, the safety & first aids in the professional technical books in secondary school is the only book that deals with first aid training.
Due to the weakness of the textbooks, it is necessary to highlight the issues of first aid, to assign an independent book to this issue, to offer spiral organization for more continuity, to design first aid curriculum also to assist and support of the experts of Red Crescent society in teaching the mentioned topics