Do you think it is interesting to perform clinical studies

1. A) Investigator interest in PhG studies Would the availability of DNA cards as an alternative to venipuncture influence your decision to participate in future clinical studies requiring blood sample collection? Do you think it is interesting to perform clinical studies which have a PhG component in the research aims? Essential 5 Very interesting 16 Paper Cards Interesting 1 15 Rubbing of gingival mucus or saliva Of little interesting 22 Blood extraction using venepuncture Not interesting 7 Others 2 N/A 4 B) Patient satisfaction with the DNA cards method 1 How would you rate the overall satisfaction of the patients with the DNA cards collection method? How many patients were reluctant to give blood samples using the fingertip-puncture method? 3 Not reluctant 151 2 Reluctant Very favorably Paper Cards 24 Favourably Rubbing of gingival mucus or saliva 2 Indifferent Blood extraction using venepuncture 2 Negatively C) Comparison of the DNA cards method with other blood collecting methods Others Very negatively 7 12 Of these DNA sample collection methods, which do you prefer due to its ease of use? Of these DNA sample collection methods, which do you consider to be the safest to use? 28 2 1 17 11 Very good Good Bad Very bad D) Overall assessment of the DNA cards method What is your overall assessment of DNA cards as a method for collecting DNA samples? Would you recommend using the DNA cards method in future studies? Is the best that I know Is better than other that I used Yes Is like other that I used Is worse than other that I used No Is the worst that I know N/A