Table 3.

Factors influencing the Salut Programme sustainability, nested in a theoretical scheme inspired by Grol and Wensing [16]*

	FACTORS INFLUENCING SUSTAINABILITY
LEVEL	REQUIREMENTS	FACILITATORS	BARRIERS
Innovation
Development process		Involvement in development and small scale testing 1-4 Support from process consultants 1-4 Having time to develop strategies 1-4	Time consuming and ineffective 1-4
Content	Carefully designed work manuals 3	Perceived as important 1-4 Easily integrated 1-4 Manuals essential tools 1-4 Clear programme branding 1-4	Time consuming 1-4 Not suiting specific needs of immigrants 1,2,4 Difficulty with social and psychological problems 1,2 Found similar to approaches already present at the work place 1,2,4
Individual
Professionals	Own commitment and interest 1-4	Own values coherent with programme's purpose and goals 1-4	Lack of motivation 2,3,4 Programme goals found unrealistic 2
Parents (Patients)		Positive attitudes to interventions 3,4	New topics and questionnaires intrusive and extensive 1-3 Content of parent meetings unpopular 1,3
Context
Social	Regular meetings 1-4 Permanent programme organization 1-3 Information to new employees 1,3 Managerial responsibility and commitment1-4	Regular meetings 1-4 Active managerial support 1-4	Lack of managerial involvement or support 1-4 Lack of involvement or support from physicians or other colleagues 1-3
Organizational	Programme integrated in action plans 1-3 Geographical proximity for collaborators 1-4 Sufficient time 1-3 Further establishment and spread of the programme 1-4	Geographical proximity for collaborators 1-4	Lack of time and resources 1-4 Lack of communication and agreement between programme management and local managers 2,3
Economical and political	Incentives in line with programme intentions 3		Conflicting incentives for performance 3 Threat of cutbacks 1-3

¹ Represent the views of midwives, ² child health nurses, ³ dental hygienists/dental nurses, ⁴ open pre-school teachers

* With an added level; development process.