Exploring synergistic interactions and catalysts in complex interventions: longitudinal, mixed methods case studies of an optimised multi-level suicide prevention intervention in four european countries (Ospi-Europe)

Table 1 Data Collection

	Interviews	Focus groups	Questionnaires
Germany	14	4	5
Hungary	10	4	5
Ireland	13	3	5
Portugal	10	1	5
Observations at implementation team meetings		6 meetings’ fieldnotes
Synergistic effects workshop		1 (workpackage leads and intervention site researchers)
Total data collection		47 Interviews; 12 focus groups; 6 meetings observations/fieldnotes; 1 workshop

ISSN: 1471-2458