N*))                                                                ---------------------------- ------------------ -------------------- ------------------- ------------------ --------------------- ------------------ ---------------- ------------------   Diabetes                                                                                                                                                                  Media                       00.0 (0000/0000)   00.0 (000/000)^†^    00/00               00.0 (000/000)     00.0 (0000/0000)      00.0 (0000/0000)   00.0 (000/000)   00.0 (0000/0000)    Word of mouth               00.0 (0000/0000)   00.0 (000/000)       0/00                00.0 (000/000)     00.0 (0000/0000)      00.0 (0000/0000)   00.0 (00/000)    00.0 (0000/0000)    Health care professionals   00.0 (0000/0000)   00.0 (000/000)       0/00                00.0 (000/000)     00.0 (0000/0000)^†^   00.0 (0000/0000)   00.0 (00/000)    00.0 (0000/0000)   CHD                                                                                                                                                                       Media                       00.0 (0000/0000)   00.0 (000/000)^‡^    0/00                00.0 (000/000)     00.0 (0000/0000)\*    00.0 (0000/0000)   00.0 (000/000)   00.0 (0000/0000)    Word of mouth               00.0 (0000/0000)   00.0 (000/000)       0/00                00.0 (000/000)     00.0 (0000/0000)      00.0 (0000/0000)   00.0 (00/000)    00.0 (0000/0000)    Health care professionals   00.0 (0000/0000)   00.0 (000/000)       0/00                00.0 (000/000)     00.0 (0000/0000)      00.0 (0000/0000)   00.0 (00/000)    00.0 (0000/0000)   Hypertension                                                                                                                                                              Media                       00.0 (0000/0000)   00.0 (000/000)^‡^    0/00                00.0 (000/000)     00.0 (0000/0000)^†^   00.0 (0000/0000)   00.0 (000/000)   00.0 (0000/0000)    Word of mouth               00.0 (0000/0000)   00.0 (000/000)       0/00                00.0 (000/000)     00.0 (0000/0000)      00.0 (0000/0000)   00.0 (00/000)    00.0 (0000/0000)    Health care professionals   00.0 (0000/0000)   00.0 (000/000)       0/00                00.0 (000/000)     00.0 (0000/0000)      00.0 (0000/0000)   00.0 (00/000)    00.0 (0000/0000)  \**P* \< 0.00; ^†^*P* \< 0.00; ^‡^*P* \< 0.000; the *P* value reflects differences in the use of different approaches to access prevention knowledge about common chronic diseases among veterans grouped by age, education level and gender. The Chi-square trend test was used to explore the educational differences in the use of different approaches to access prevention knowledge of chronic diseases among veterans. The numbers in parentheses correspond to the numbers of 