Able to speak Dutch Language
Item
dutch-speaking men and women
boolean
C0564215 (UMLS CUI [1,1])
C0376241 (UMLS CUI [1,2])
Normal weight Body mass index
Item
normal weight (bmi between 18 and 27).
boolean
C2712185 (UMLS CUI [1,1])
C1305855 (UMLS CUI [1,2])
Regular diet | Fish Products Frequency
Item
regular diets, not containing fish more than once a week.
boolean
C0184625 (UMLS CUI [1])
C0016158 (UMLS CUI [2,1])
C0439603 (UMLS CUI [2,2])
Depressive disorder | Major depressive episode Quantity
Item
history of depression (at least one major depressive episode in the past).
boolean
C0011581 (UMLS CUI [1])
C0024517 (UMLS CUI [2,1])
C1265611 (UMLS CUI [2,2])
Moderate depression BDI II score | Severe depression BDI II score | Suicidality BDI II score
Item
currently more than mildly depressed (bdi-ii-nl score higher than 19, or score on the suicidality item of this scale higher than 1).
boolean
C0588007 (UMLS CUI [1,1])
C4273555 (UMLS CUI [1,2])
C0588008 (UMLS CUI [2,1])
C4273555 (UMLS CUI [2,2])
C3166387 (UMLS CUI [3,1])
C4273555 (UMLS CUI [3,2])
Psychotic Disorders
Item
current or past psychosis
boolean
C0033975 (UMLS CUI [1])
Substance Use Disorders | Substance Dependence
Item
current substance abuse or past substance dependence
boolean
C0038586 (UMLS CUI [1])
C0038580 (UMLS CUI [2])
Tobacco use | Soft drug Use of Current
Item
smoking or current use of soft drugs (current = month prior to study till completion)
boolean
C0543414 (UMLS CUI [1])
C0301285 (UMLS CUI [2,1])
C1524063 (UMLS CUI [2,2])
C0521116 (UMLS CUI [2,3])
Hard drug Use of Lifetime
Item
any hard drug use (lifetime)
boolean
C0301284 (UMLS CUI [1,1])
C1524063 (UMLS CUI [1,2])
C4071830 (UMLS CUI [1,3])
Alcohol consumption Drinks per day
Item
more than 3 alcoholic consumptions/day
boolean
C0001948 (UMLS CUI [1,1])
C0001967 (UMLS CUI [1,2])
C0439505 (UMLS CUI [1,3])
Request for Dietary Habits Constant
Item
participants will be asked to keep their dietary habits constant throughout the study.
boolean
C0686900 (UMLS CUI [1,1])
C0086152 (UMLS CUI [1,2])
C1948059 (UMLS CUI [1,3])