Period prevalences and results from conditional logistic regression models of autoimmune diseases from the start of the study period until the beginning of the treatment of an eating disorder.

For the seven separate autoimmune disease categories presented, each participant counts as maximum one observation per category. For the total figure of any autoimmune disease, each participant is presented as maximum one observation. Out of all patients and all controls, there was only one patient participant (with bulimia nervosa) with pulmonary disease (not shown). CI, Confidence Interval; OR, Odds ratio.