Level of studies of the reference person	Source of noise	Total
TOTAL	With a noise problem	25.1
TOTAL	Due to overland traffic	11.7
TOTAL	Due to air traffic	1.9
TOTAL	Due to neighbours	8.9
TOTAL	From animals	2.8
TOTAL	Mechanical causes (including construction)	7.3
TOTAL	Due to trade and recreational activities	3.5
TOTAL	Due to informal urban get-togethers (outdoor drinking)	2.8
TOTAL	Other causes	1.5
TOTAL	Have taken some measure against noise (*)	31.0
Without studies	With a noise problem	16.3
Without studies	Due to overland traffic	7.7
Without studies	Due to air traffic	0.8
Without studies	Due to neighbours	5.6
Without studies	From animals	1.5
Without studies	Mechanical causes (including construction)	3.0
Without studies	Due to trade and recreational activities	1.7
Without studies	Due to informal urban get-togethers (outdoor drinking)	1.8
Without studies	Other causes	0.7
Without studies	Have taken some measure against noise (*)	22.8
Primary education or the equivalent	With a noise problem	21.5
Primary education or the equivalent	Due to overland traffic	9.7
Primary education or the equivalent	Due to air traffic	1.6
Primary education or the equivalent	Due to neighbours	7.0
Primary education or the equivalent	From animals	2.3
Primary education or the equivalent	Mechanical causes (including construction)	5.3
Primary education or the equivalent	Due to trade and recreational activities	2.8
Primary education or the equivalent	Due to informal urban get-togethers (outdoor drinking)	1.9
Primary education or the equivalent	Other causes	1.3
Primary education or the equivalent	Have taken some measure against noise (*)	29.4
Stage one secondary education	With a noise problem	25.9
Stage one secondary education	Due to overland traffic	11.9
Stage one secondary education	Due to air traffic	1.2
Stage one secondary education	Due to neighbours	8.6
Stage one secondary education	From animals	2.6
Stage one secondary education	Mechanical causes (including construction)	7.5
Stage one secondary education	Due to trade and recreational activities	3.1
Stage one secondary education	Due to informal urban get-togethers (outdoor drinking)	1.9
Stage one secondary education	Other causes	1.3
Stage one secondary education	Have taken some measure against noise (*)	29.5
Upper-secondary education	With a noise problem	29.4
Upper-secondary education	Due to overland traffic	14.1
Upper-secondary education	Due to air traffic	2.7
Upper-secondary education	Due to neighbours	10.7
Upper-secondary education	From animals	3.4
Upper-secondary education	Mechanical causes (including construction)	9.3
Upper-secondary education	Due to trade and recreational activities	4.5
Upper-secondary education	Due to informal urban get-togethers (outdoor drinking)	3.5
Upper-secondary education	Other causes	1.6
Upper-secondary education	Have taken some measure against noise (*)	32.1
Intermediate level-professional education	With a noise problem	28.6
Intermediate level-professional education	Due to overland traffic	13.4
Intermediate level-professional education	Due to air traffic	3.0
Intermediate level-professional education	Due to neighbours	11.0
Intermediate level-professional education	From animals	4.3
Intermediate level-professional education	Mechanical causes (including construction)	9.4
Intermediate level-professional education	Due to trade and recreational activities	3.9
Intermediate level-professional education	Due to informal urban get-togethers (outdoor drinking)	4.0
Intermediate level-professional education	Other causes	1.6
Intermediate level-professional education	Have taken some measure against noise (*)	33.4
Higher level -professional education	With a noise problem	30.5
Higher level -professional education	Due to overland traffic	14.2
Higher level -professional education	Due to air traffic	1.9
Higher level -professional education	Due to neighbours	10.6
Higher level -professional education	From animals	4.3
Higher level -professional education	Mechanical causes (including construction)	10.3
Higher level -professional education	Due to trade and recreational activities	3.9
Higher level -professional education	Due to informal urban get-togethers (outdoor drinking)	3.7
Higher level -professional education	Other causes	2.7
Higher level -professional education	Have taken some measure against noise (*)	31.3
1st cycle university studies	With a noise problem	30.8
1st cycle university studies	Due to overland traffic	14.4
1st cycle university studies	Due to air traffic	2.7
1st cycle university studies	Due to neighbours	11.9
1st cycle university studies	From animals	3.2
1st cycle university studies	Mechanical causes (including construction)	10.4
1st cycle university studies	Due to trade and recreational activities	4.3
1st cycle university studies	Due to informal urban get-togethers (outdoor drinking)	4.7
1st cycle university studies	Other causes	2.0
1st cycle university studies	Have taken some measure against noise (*)	37.7
2nd or 3rd cycle university studies	With a noise problem	32.0
2nd or 3rd cycle university studies	Due to overland traffic	15.2
2nd or 3rd cycle university studies	Due to air traffic	2.5
2nd or 3rd cycle university studies	Due to neighbours	12.7
2nd or 3rd cycle university studies	From animals	3.9
2nd or 3rd cycle university studies	Mechanical causes (including construction)	10.9
2nd or 3rd cycle university studies	Due to trade and recreational activities	6.1
2nd or 3rd cycle university studies	Due to informal urban get-togethers (outdoor drinking)	4.4
2nd or 3rd cycle university studies	Other causes	2.7
2nd or 3rd cycle university studies	Have taken some measure against noise (*)	34.4
Does not know/ Does not answer	With a noise problem	21.9
Does not know/ Does not answer	Due to overland traffic	21.9
Does not know/ Does not answer	Due to air traffic	.
Does not know/ Does not answer	Due to neighbours	.
Does not know/ Does not answer	From animals	.
Does not know/ Does not answer	Mechanical causes (including construction)	21.9
Does not know/ Does not answer	Due to trade and recreational activities	21.9
Does not know/ Does not answer	Due to informal urban get-togethers (outdoor drinking)	.
Does not know/ Does not answer	Other causes	.
Does not know/ Does not answer	Have taken some measure against noise (*)	.