Table 1.
Study protocol and sampling scheme
| Time Period | Adaption 10 min | Pre-Test 2 min | During 20 min | Post-Test 2 min | Resting 10 min | |
|---|---|---|---|---|---|---|
| Statistical analysis was performed by comparing the differences in cardiovascular parameters before (pre-test) and after noise exposure (post-test). V indicates that a cardiovascular measurement was taken. | ||||||
| Noise exposure scenario | ||||||
| Noise A (75 dB) | No noise | No noise | Stimulus | No noise | No noise | |
| Noise A (90 dB) | No noise | No noise | Stimulus | No noise | No noise | |
| Noise B (75 dB) | No noise | No noise | Stimulus | No noise | No noise | |
| Noise B (90 dB) | No noise | No noise | Stimulus | No noise | No noise | |
| Noise C (75 dB) | No noise | No noise | Stimulus | No noise | No noise | |
| Noise C (90 dB) | No noise | No noise | Stimulus | No noise | No noise | |
| Cardiovascular sampling | ||||||
| SBP | V | V | ||||
| DBP | V | V | ||||
| HR | V | V | ||||