Fig. 1

Requirements for preventive medicine professionals in CDCs and medical institutions. * p < 0.05 CDCs vs. medical institutions. #p < 0.05 clinical medicine courses vs. personal qualities, specialized courses, professional skills and foundation courses in CDCs. ^ p < 0.05 clinical medicine courses vs. specialized courses or professional skills in medical institutions. † p < 0.05 personal qualities vs. clinical medicine courses, specialized courses (only in medical institutions), professional skills and foundation courses (only in medical institutions). These five dimensions were assessed using a Likert scale ranging from “no requirement " to " high level of necessity”, with a rating of 5 indicating a high level of necessity, 4 indicating a relatively high level of necessity, 3 indicating moderate necessity, 2 indicating lower necessity, and 1 indicating no requirement