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Table 2 OR (CI 95%) for hypertension associated to different levels of road traffic noise exposure using three different models of adjusting.

From: Road traffic noise and hypertension: results from a cross-sectional public health survey in southern Sweden

Laeq 24 h (dB)

N*

Median age

Hypertension prevalence

Unadjusted

OR (CI 95%)

Age, BMI, Sex

OR (CI 95%)

Fully adjusted

OR (CI 95%)

<45

5707

48

17.90%

   

45-49

5362

50

20.40%

1.18 (1.07-1.29)

1.10 (0.99-1.22)

1.09 (0.99-1.21)

50-54

6290

49

19.40%

1.11 (1.01-1.22)

1.08 (0.98-1.20)

1.08 (0.97-1.19)

55-59

4395

47

19.20%

1.10 (0.99-1.21)

1.11 (0.99-1.24)

1.10 (0.98-1.23)

60-64

2202

45

18.40%

1.04 (0.92-1.18)

1.14 (0.99-1.31)

1.12 (0.97-1.29)

>64

282

45

20.90%

1.22 (0.91-1.63)

1.52 (1.09-2.11)

1.45 (1.04-2.02)

5dB(A) increase

24238

  

1.00 (0.98-1.03)

1.03 (1.00-1.07)

1.03 (1.00-1.06)

10dB(A) increase

24238

  

1.01 (0.95-1.06)

1.07 (1.01-1.14)

1.06 (1.00-1.13)

  1. * N is the same for all three models, adjusted as well as unadjusted, e. i. uses the same individuals