The interview data revealed that the guideline made nurses more aware of the issue of suicidality. Nurses mentioned that they were more alert to risk factors for suicide and tended to respond more thoroughly to patient symptoms indicative of suicidality. They scored slightly above neutral about whether the guideline made them more active in discussing suicidality (rating 3.06). The nature of the items in both SAs enabled discussion with patients. The usefulness of the example questions and phrases in the assessments was rated quite positively at 3.82 and 3.59 for the basic SA and advanced SA, respectively. Memorizing the items enabled the nurses to integrate them into a natural conversation. The overall potential of the guideline to support nurses in discussing suicidality with patients is reflected in a rating of 4.0.