Gender
MESA exam number vs Percentage of total sleep duration in Stage 1 from type II polysomnography
| N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
|---|---|---|---|---|---|---|---|---|
| Exam 5 | 2,035 | 14.4 | ± 9.2 | 12.1 | 0.5 | 79.3 | 202 | 2,237 |
Participant Age at MESA Sleep Visit vs Percentage of total sleep duration in Stage 1 from type II polysomnography
Exam 5
| N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
|---|---|---|---|---|---|---|---|---|
| Total | 2,035 | 14.4 | ± 9.2 | 12.1 | 0.5 | 79.3 | 202 | 2,237 |
| 54.0 to 62.0 years | 518 | 12.1 | ± 7.6 | 10.4 | 0.5 | 70.6 | 42 | 560 |
| 62.0 to 69.0 years | 526 | 14.0 | ± 8.9 | 11.8 | 1.8 | 61.4 | 33 | 559 |
| 69.0 to 77.0 years | 507 | 15.1 | ± 9.2 | 13.1 | 1.0 | 79.3 | 52 | 559 |
| 77.0 to 95.0 years | 484 | 16.5 | ± 10.5 | 14.2 | 1.7 | 76.9 | 75 | 559 |
Gender of the participant vs Percentage of total sleep duration in Stage 1 from type II polysomnography
Exam 5
| N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
|---|---|---|---|---|---|---|---|---|
| Total | 2,035 | 14.4 | ± 9.2 | 12.1 | 0.5 | 79.3 | 202 | 2,237 |
| Female | 1,094 | 12.0 | ± 7.2 | 10.4 | 0.5 | 76.9 | 104 | 1,198 |
| Male | 941 | 17.2 | ± 10.5 | 14.7 | 2.1 | 79.3 | 98 | 1,039 |
Race/ethnicity of the participant vs Percentage of total sleep duration in Stage 1 from type II polysomnography
Exam 5
| N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
|---|---|---|---|---|---|---|---|---|
| Total | 2,035 | 14.4 | ± 9.2 | 12.1 | 0.5 | 79.3 | 202 | 2,237 |
| White, Caucasian | 741 | 14.7 | ± 9.5 | 12.5 | 1.0 | 76.9 | 89 | 830 |
| Chinese American | 247 | 13.6 | ± 8.4 | 11.5 | 2.6 | 57.7 | 18 | 265 |
| Black, African-American | 564 | 13.6 | ± 8.9 | 10.8 | 0.5 | 63.8 | 52 | 616 |
| Hispanic | 483 | 15.2 | ± 9.4 | 13.0 | 2.1 | 79.3 | 43 | 526 |