Traduction de «perspective he she has » (Néerlandais → Français) :

Being a ‘citizen’ or a ‘patient’ is not a status, but rather a role one adopts in a specific context. It depends on the content of the questions a person has to answer and the perspective he/she (has to) adopt(s) when answering the questions whether he acts as a citizen or a patient.
It depends on the content of the questions a person has to answer and the perspective he/she (has to) adopt(s) when answering the questions whether he acts as a citizen or a patient.

In this case the person being interviewed is asked whether he/she has already attempted to put an end to his/her life (attempted suicide) or whether he/she has already thought of it (suicidal ideation).
Dans ce cas-ci, on demande à la personne interrogée si elle a déjà tenté de mettre fin à ces jours (tentative de suicide) ou si elle y a déjà pensé (idéation suicidaire).

It is existential because it has to do with the subject’s entire existence, the way in which the latter lives through it and in which he/she experiences the relationship with the social, emotional, and professional environment.
Existentiel parce que le problème touche à l’ensemble de l’existence d’une personne et concerne la manière dont elle se vit et vit sa relation à son environnement social, affectif, professionnel.