Desire for information about drugs: a survey of the need for information in psychiatric in-patients.

Background: Promoting therapy adherence requires understanding various psychosocial parameters, including patients' need for information. Drug information adapted to patients' needs may empower them and increase their confidence in drug therapy.

Objectives: To explore psychiatric in-patients' information preferences and to test the reliability of a Dutch version of the Intrinsic Desire for Information (IDI) scale in psychiatric institutions in Flanders.