The average age of respondents in the low biomedical class was slightly higher, with more years of clinical experience, compared to the other two classes. Similarly, we found that the low biomedical class reported to request more X-rays in practice than the other two classes. Age in the low biomedical class, as mentioned above, was slightly higher than in the other two classes. Similarly, future research can investigate the influence of postgraduate education on chiropractors’ attitudes and beliefs as well as on their adherence to guidelines. Implications for clinical practiceAwareness of guidelines for diagnostic imaging and for LBP guidelines remains important for chiropractors in clinical practice.