developing a questionnaire for mobile phone usage pattern among university students using the delphi method

introduction: the rate of mobile phone use among people, especially young people is increasing. the proper use of mobile phone for utilizing the advantages and stay away from its complications is essential. to obtain a model and how to use mobile phone will facilitate planning for preventing complications. so, in this article, questionnaire development with aimed at examining the pattern of mobile phone use among students of iranian universities. methods: in this study a self administered questionnaire was designed based on a literature review in pubmed, embase, science direct, and google scholar database and using 2 rounds of the delphi method with the presence of 10 experts from different fields. result: in the first delphi round 6 questions were obtained and in the second round 15 questions were confirmed. the mean of content validity ratio and content validity index for the questionnaire was 93.32 and 92.70, respectively. a questionnaire was designed and developed according to the purpose. conclusions: using the designed questionnaire, the mobile usage pattern among student universities can be examined and solutions can be considered for them. this can prevent further consequence.