Secondary complications (SCs) are common and cause high morbidity and mortality in individuals with spinal cord injury (SCI). There is no information or a satisfactory scale of measurement for evaluating the opinions of individuals with SCI on whether they have sufficient knowledge about these complications. This study aimed to evaluate the opinions of individuals with SCI about whether they have sufficient information on SCI-related SCs. Demographic and clinical characteristics of 64 SCI individuals were recorded. A questionnaire was applied to evaluate the opinions of the participants and whether they have sufficient information about SCs before and after a multidisciplinary rehabilitation for SCI. A test was performed to measure the knowledge level at admission to the hospital and discharge. The mean value of the total questionnaire score, which was 6.2 at admission, increased to 7.91 at discharge (P