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Table 1 Demographic characteristics by exposure zone

From: Investigating health effects in a community surrounding a road tunnel stack – a cross sectional study

 

High Zone (n = 410)

Medium Zone (n = 486)

Low Zone (n = 533)

Overall (n = 1429)

Age – Mean (years)

45

47

44

44

(95% CI)

(41 – 48)

(44 – 49)

(42 – 54)

(43 – 46)

Sex (Female%)

53.0%

46.6%

49.8%

49.3%

Home Ownership

63.5

66.7

58.7

61.1

(95% CI)

(55.2–71.8)

(59.7–73.7)

(53.3–64.1)

(57.0–65.1)

Highest Education Level Achieved

Year 10 (%)

26.2

31.0

22.9

25.2

(95%CI)

(19.3–33.1)

(24.4–37.7)

(18.4–27.3)

(21.7–28.7)

Completed high school (%)

24.9

21.5

23.2

22.9

(95%CI)

(17.3–32.5)

(15.2–27.8)

(18.4–28.1)

(19.3–26.5)

Technical qualification (%)

21.3

21.7

23.1

22.7

(95%CI)

(15.6–26.9)

(16.1–27.2)

(18.7–27.6)

(19.4–25.9)

University (%)

27.7

25.8

30.8

29.2

(95%CI)

(20.3–35.1)

(20.3–31.4)

(25.7–35.9)

(25.5–33.0)

  1. CI = Confidence interval