Schools as smoke-free zones? Barriers and facilitators to the adoption of outdoor school ground smoking bans at secondary schools

Table 1 Characteristics of the participating schools

	No. of schools
	n = 15	%
Size
<500 students	4	27
500–1000 students	3	20
1000–1500 students	3	20
>1500 students	5	33
Urbanity
Highly urbanized region	4	28
Urbanized region	6	40
Moderate urbanized region	3	20
Rural region	1	6
Highly rural region	1	6
Education type^a
Schools specialized in students with special needs^b	1	6
Pre-vocational secondary education	9	60
Senior general secondary education	12	80
Pre-university education	12	80
Ethnicity
West-European	12	80
Mixed	3	20

^aSeveral schools had more than one education type
^bSchool with students with psychiatric problems, physical, sensory or intellectual disabilities and behavioral disorders

ISSN: 1617-9625