Additionally, non-smokers had higher scores in health behaviors than those of other group sincluding smokers and ex-smokers in this study. This result was expected because the non smokers might be more likely to perform the good health behaviors. Persons with the experience of receiving patient education showed higher levels of health behaviors regardless of the level of cardiac knowledge in this study. Furthermore, cardiac knowledge was not significantly associated with health behaviors after controlling for other factors including age, education, diagnosis, smoking status, experience of receiving the patient education, and cardiac self-efficacy. According to findings from the previous studies, however, knowledge on disease itself showed a significant role in making patients change their health behaviors or lifestyle (Alm-Roijer, Stagmo, Udén, &Erhardt, 2004; Kayaniyil et al., 2009;