Depression is believed to be associated with an unhealthy lifestyle, including poor diet. The objective of this study was to investigate differences in diet quality between patients with a clinical diagnosis of depression and population-based controls. Additionally, researchers sought to examine the effects of specific characteristics of depression on diet by analyzing whether diet quality varies between patients with distinct depression subtypes and whether depression severity is associated with food quality. The method the researchers used included 1,660 participants from the BiDirect study, including 840 patients with depression and 820 population controls. Psychiatric assessment was based on clinical interviews and a combination of depression scales to provide classification of depression subtypes and severity. Diet quality scores, which reflect adherence to a healthy diet, were calculated based on an 18-item food frequency questionnaire. Using analysis of covariance, researchers calculated adjusted means of diet quality scores and tested for differences between groups, which were adjusted for sociodemographic, lifestyle, and related factors. to health. In this study, no differences were found in diet quality between controls and patients with depression if depression was a single entity...