Table 3.

Frequencies of indicators for case study on NBS in Europe

Construct/Indicator	Categories
Construct: Participation
		Mean	St.d.
Number of stakeholders involved in decision process		2.84	1.23
Number of stakeholders participating through information provision		1.31	1.10
Number of stakeholders participating in appeal		0.31	0.60
Number of stakeholders participating in voting		1.13	0.98
Construct: Transparency
		n	%
Type of information provided	0 - No information available	5	9.09
	1 - Only process-related information available	3	5.45
	2 - Only outcome-related information available	30	54.55
	3 - Outcome- and process related information available	17	30.91
	4 - Full documentation	0	0.00
		Mean	St.d.
Amount of information published during or after decision process		2.05	1.39
Construct: Scientific rigour of assessment
		n	%
Scientific rigour in assessment of effectiveness	0 - No assessment of effectiveness/other	1	1.82
	1 - At least based on expert opinion	10	18.18
	2 - At least systematic literature review	36	65.45
	3 - At least quantitative meta-analysis of studies	8	14.55
Scientific rigour in assessment of costs/cost-effectiveness	Missing	4	7.27
	0 - No assessment of costs/CE	2	3.64
	1 - Cost estimate	39	70.91
	2 - Cost-effectiveness analyses	10	18.18
Construct: Reasonableness
Aspects considered for appraisal		n	%
Effectiveness, health gain	0 - Not relevant	6	10.91
	1 - Relevant	14	25.45
	2 - Strongly relevant	35	63.64
Effectiveness, other benefit	0 - Not relevant	38	69.09
	1 - Relevant	14	25.45
	2 - Strongly relevant	3	5.45
Budget impact	0 - Not relevant	38	69.09
	1 - Relevant	15	27.27
	2 - Strongly relevant	2	3.64
Cost-effectiveness	0 - Not relevant	36	65.45
	1 - Relevant	12	21.82
	2 - Strongly relevant	7	12.73
Effect on equitable access to healthcare	0 - Not relevant	32	58.18
	1 - Relevant	22	40.00
	2 - Strongly relevant	1	1.82
Severity of the disease	0 - Not relevant	12	21.82
	1 - Relevant	15	27.27
	2 - Strongly relevant	28	50.91