Race
Quality of the thoracic signal vs Sleep Heart Health Study (SHHS) Visit Number
| Visit 1 | Interim Follow-up Visit | Visit 2 | CVD Outcomes | |
|---|---|---|---|---|
| Total | - | - | 4,080 | - |
| Less than 25% of time with artifact-free signal | - | - | 54 | - |
| 25-49% of time with artifact-free signal | - | - | 68 | - |
| 50-74% of time with artifact-free signal | - | - | 159 | - |
| 75-94% of time with artifact-free signal | - | - | 397 | - |
| Entire sleep time (at least 95%) artifact-free | - | - | 1,973 | - |
| Unknown | - | - | 1,429 | - |
Quality of the thoracic signal vs Gender of the participant
Visit 2
| Male | Female | Total | |
|---|---|---|---|
| Total | 1,861 | 2,219 | 4,080 |
| Less than 25% of time with artifact-free signal | 21 | 33 | 54 |
| 25-49% of time with artifact-free signal | 21 | 47 | 68 |
| 50-74% of time with artifact-free signal | 59 | 100 | 159 |
| 75-94% of time with artifact-free signal | 185 | 212 | 397 |
| Entire sleep time (at least 95%) artifact-free | 940 | 1,033 | 1,973 |
| Unknown | 635 | 794 | 1,429 |
Quality of the thoracic signal vs Race of the participant
Visit 2
| White | Black | Other | Total | |
|---|---|---|---|---|
| Total | 3,587 | 256 | 237 | 4,080 |
| Less than 25% of time with artifact-free signal | 48 | 3 | 3 | 54 |
| 25-49% of time with artifact-free signal | 54 | 9 | 5 | 68 |
| 50-74% of time with artifact-free signal | 137 | 9 | 13 | 159 |
| 75-94% of time with artifact-free signal | 353 | 19 | 25 | 397 |
| Entire sleep time (at least 95%) artifact-free | 1,719 | 141 | 113 | 1,973 |
| Unknown | 1,276 | 75 | 78 | 1,429 |