From: Noise exposure in occupational setting associated with elevated blood pressure in China
variables | Noise-exposed group (n = 1390) | control group (n = 1399) | P value |
---|---|---|---|
Age (years) (mean ± SD) | 33.1 ± 8.7 | 33.1 ± 8.6 | 0.941# |
Smoking status (%) | |||
Yes | 56.2 | 46.6 | |
No | 43.8 | 53.4 | <0.001§ |
Drinking (%) | |||
Yes | 68.6 | 41.0 | |
No | 31.4 | 59.0 | <0.001§ |
Years to noise exposure, years,* | 4.2(1.7,8.0) | ||
Noise intensity exposure, dB (A),* | 87.5 (82.5,87.5) | ||
cumulative noise exposure (CNE)* | 92.3(88.3,96.8) | ||
Noise protection (%) | 83.8 |