Baseline Demographic and Clinical Characteristics by Treatment Group
Depressive, Anxiety, Depression, OCD, obsessive-compulsive disorder
DISORDER
Abbreviations: CGI-S, Clinical Global Impression Severity subscale; FFQ, Food Frequency Questionnaire, Short-Form; GAD-7, General Anxiety Disorder; GSRS, Gastrointestinal Symptom Rating Scale; HAMA, Hamilton Anxiety Rating Scale; HAMD-17, Hamilton Depression Rating Scale, 17-item; IDS-SR, Inventory of Depressive Symptomatology Self Report; NMES, non-milk extracted sugars; OCD, obsessive-compulsive disorder; SNRI, serotonin–norepinephrine reuptake inhibitors; SSRI, selective serotonin reuptake inhibitors.Calculated as weight in kilograms divided by height in meters squared.Race and ethnicity data were collected through self-report by choosing one of the following categories: Asian (non-Chinese; British or any other), Black (British or any other), Chinese, multiracial (any), White (British or any other), or other race (any). Due to low numbers, the Black, Chinese and other race categories were combined.