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Table 4 Annual noise exposures by source with and without consideration of street noise

From: Street-level noise in an urban setting: assessment and contribution to personal exposure

     

Percent of total noise exposure

  

Annual HPD*-adjusted L EQ8760 with street noise

Without street exposure

With street exposure

Noise exposure source

N subjects

Mean

SD

% > 70 dBA

Mean

SD

Mean

SD

Total

1894

77.0

5.0

90.5

100.0

--

100.0

--

Street

1894

58.2

5.3

2.3

--

--

4.1

8.0

Home

1894

56.7

1.0

0.0

2.9

7.4

2.2

5.0

Transit

1847

65.0

4.5

10.0

14.7

20.3

13.6

18.2

Occupational

1631

66.4

7.2

22.7

17.1

25.4

16.4

24.7

Non-occupational

932

73.0

7.1

32.9

17.6

26.7

17.3

26.3

Listening to Music

1493

75.1

2.7

78.8

47.6

33.8

46.4

32.8

  1. *HPD: use of hearing protection device.