Age
Visit vs Total duration of Stage 2 sleep from type II polysomnography
N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
---|---|---|---|---|---|---|---|---|
Visit 1 | 2,911 | 219.8 | ± 59.4 | 222.0 | 0.0 | 510.0 | - | 2,911 |
Visit 2 | 1,026 | 208.2 | ± 68.3 | 210.0 | 0.0 | 488.0 | 1,885 | 2,911 |
Age at Sleep Visit 1 vs Total duration of Stage 2 sleep from type II polysomnography
Visit 1
N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
---|---|---|---|---|---|---|---|---|
Total | 2,911 | 219.8 | ± 59.4 | 222.0 | 0.0 | 510.0 | - | 2,911 |
67.0 to 72.0 years | 728 | 221.5 | ± 57.0 | 225.5 | 0.0 | 510.0 | - | 728 |
72.0 to 76.0 years | 728 | 218.5 | ± 59.4 | 220.0 | 0.0 | 417.0 | - | 728 |
76.0 to 80.0 years | 728 | 218.8 | ± 58.7 | 220.0 | 0.0 | 363.0 | - | 728 |
80.0 to 90.0 years | 727 | 220.5 | ± 62.5 | 223.0 | 0.0 | 465.0 | - | 727 |
Gender vs Total duration of Stage 2 sleep from type II polysomnography
Visit 1
N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
---|---|---|---|---|---|---|---|---|
Total | 2,911 | 219.8 | ± 59.4 | 222.0 | 0.0 | 510.0 | - | 2,911 |
Female | - | - | - | - | - | - | - | - |
Male | 2,911 | 219.8 | ± 59.4 | 222.0 | 0.0 | 510.0 | - | 2,911 |
Gender vs Total duration of Stage 2 sleep from type II polysomnography
Visit 2
N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
---|---|---|---|---|---|---|---|---|
Total | 1,026 | 208.2 | ± 68.3 | 210.0 | 0.0 | 488.0 | 1,885 | 2,911 |
Female | - | - | - | - | - | - | - | - |
Male | 1,026 | 208.2 | ± 68.3 | 210.0 | 0.0 | 488.0 | 1,885 | 2,911 |
Race Category vs Total duration of Stage 2 sleep from type II polysomnography
Visit 1
N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
---|---|---|---|---|---|---|---|---|
Total | 2,911 | 219.8 | ± 59.4 | 222.0 | 0.0 | 510.0 | - | 2,911 |
White | 2,651 | 219.3 | ± 59.2 | 222.0 | 0.0 | 465.0 | - | 2,651 |
African American | 99 | 228.2 | ± 76.9 | 227.0 | 0.0 | 510.0 | - | 99 |
Asian | 85 | 220.7 | ± 47.8 | 229.0 | 72.0 | 316.0 | - | 85 |
Native Hawaiian or Other Pacific Islander | 3 | 171.3 | ± 40.9 | 159.0 | 138.0 | 217.0 | - | 3 |
American Indian or Alaskan Native | 1 | 230.0 | - | 230.0 | 230.0 | 230.0 | - | 1 |
Multiracial | 30 | 240.9 | ± 51.7 | 237.0 | 133.0 | 358.0 | - | 30 |
Unknown | 42 | 220.0 | ± 49.1 | 216.5 | 105.0 | 364.0 | - | 42 |
Race Category vs Total duration of Stage 2 sleep from type II polysomnography
Visit 2
N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
---|---|---|---|---|---|---|---|---|
Total | 1,026 | 208.2 | ± 68.3 | 210.0 | 0.0 | 488.0 | 1,885 | 2,911 |
White | 896 | 208.0 | ± 68.1 | 209.0 | 0.0 | 488.0 | 1,755 | 2,651 |
African American | 41 | 195.3 | ± 85.1 | 207.0 | 0.0 | 347.0 | 58 | 99 |
Asian | 49 | 213.5 | ± 70.9 | 224.0 | 0.0 | 324.0 | 36 | 85 |
Native Hawaiian or Other Pacific Islander | 3 | 186.7 | ± 11.2 | 184.0 | 177.0 | 199.0 | - | 3 |
American Indian or Alaskan Native | 1 | 237.0 | - | 237.0 | 237.0 | 237.0 | - | 1 |
Multiracial | 14 | 219.1 | ± 37.3 | 219.5 | 165.0 | 292.0 | 16 | 30 |
Unknown | 22 | 224.5 | ± 52.3 | 221.0 | 133.0 | 313.0 | 20 | 42 |