Name
time_since_last_period
Label
Last menstrual period
Description
Difference between date of reported last menstrual period and sleep study date in years
Units
years
Type
numeric
Study visit number vs Last menstrual period
N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
---|---|---|---|---|---|---|---|---|
Visit 1 | 469 | 8.1 | ± 9.0 | 5.0 | 0.0 | 42.3 | 654 | 1,123 |
Visit 2 | 312 | 11.7 | ± 9.8 | 10.3 | 0.0 | 47.2 | 446 | 758 |
Visit 3 | 47 | 16.9 | ± 10.1 | 16.5 | 0.2 | 43.7 | 519 | 566 |
Visit 4 | - | - | - | - | - | - | 121 | 121 |
Visit 5 | - | - | - | - | - | - | 2 | 2 |
Incident Outcomes Tracking | - | - | - | - | - | - | - | - |
Sex of the participant vs Last menstrual period
Visit 1
N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
---|---|---|---|---|---|---|---|---|
Total | 469 | 8.1 | ± 9.0 | 5.0 | 0.0 | 42.3 | 654 | 1,123 |
Male | - | - | - | - | - | - | 608 | 608 |
Female | 469 | 8.1 | ± 9.0 | 5.0 | 0.0 | 42.3 | 46 | 515 |
Sex of the participant vs Last menstrual period
Visit 2
N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
---|---|---|---|---|---|---|---|---|
Total | 312 | 11.7 | ± 9.8 | 10.3 | 0.0 | 47.2 | 446 | 758 |
Male | - | - | - | - | - | - | 406 | 406 |
Female | 312 | 11.7 | ± 9.8 | 10.3 | 0.0 | 47.2 | 40 | 352 |
Sex of the participant vs Last menstrual period
Visit 3
N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
---|---|---|---|---|---|---|---|---|
Total | 47 | 16.9 | ± 10.1 | 16.5 | 0.2 | 43.7 | 519 | 566 |
Male | - | - | - | - | - | - | 304 | 304 |
Female | 47 | 16.9 | ± 10.1 | 16.5 | 0.2 | 43.7 | 215 | 262 |
Sex of the participant vs Last menstrual period
Visit 4
N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
---|---|---|---|---|---|---|---|---|
Total | - | - | - | - | - | - | 121 | 121 |
Male | - | - | - | - | - | - | 67 | 67 |
Female | - | - | - | - | - | - | 54 | 54 |
Sex of the participant vs Last menstrual period
Visit 5
N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
---|---|---|---|---|---|---|---|---|
Total | - | - | - | - | - | - | 2 | 2 |
Male | - | - | - | - | - | - | - | - |
Female | - | - | - | - | - | - | 2 | 2 |
Race of the participant vs Last menstrual period
Visit 1
N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
---|---|---|---|---|---|---|---|---|
Total | 469 | 8.1 | ± 9.0 | 5.0 | 0.0 | 42.3 | 654 | 1,123 |
Asian | 1 | 0.0 | - | 0.0 | 0.0 | 0.0 | 11 | 12 |
Black | 6 | 5.7 | ± 7.0 | 4.1 | 0.0 | 17.5 | 17 | 23 |
Hispanic | 3 | 12.6 | ± 6.1 | 9.8 | 8.3 | 19.5 | 10 | 13 |
Native American | 3 | 1.4 | ± 1.0 | 1.5 | 0.4 | 2.3 | 7 | 10 |
White | 456 | 8.1 | ± 9.1 | 5.0 | 0.0 | 42.3 | 609 | 1,065 |
Race of the participant vs Last menstrual period
Visit 2
N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
---|---|---|---|---|---|---|---|---|
Total | 312 | 11.7 | ± 9.8 | 10.3 | 0.0 | 47.2 | 446 | 758 |
Asian | 1 | 0.0 | - | 0.0 | 0.0 | 0.0 | 3 | 4 |
Black | 3 | 3.7 | ± 4.8 | 1.2 | 0.8 | 9.2 | 5 | 8 |
Hispanic | 3 | 15.3 | ± 4.6 | 14.4 | 11.3 | 20.4 | 3 | 6 |
Native American | 2 | 3.7 | ± 1.5 | 3.7 | 2.7 | 4.8 | 4 | 6 |
White | 303 | 11.8 | ± 9.8 | 10.5 | 0.0 | 47.2 | 431 | 734 |
Race of the participant vs Last menstrual period
Visit 3
N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
---|---|---|---|---|---|---|---|---|
Total | 47 | 16.9 | ± 10.1 | 16.5 | 0.2 | 43.7 | 519 | 566 |
Asian | 1 | 0.5 | - | 0.5 | 0.5 | 0.5 | 3 | 4 |
Black | - | - | - | - | - | - | 4 | 4 |
Hispanic | 1 | 15.3 | - | 15.3 | 15.3 | 15.3 | 4 | 5 |
Native American | 1 | 6.4 | - | 6.4 | 6.4 | 6.4 | 3 | 4 |
White | 44 | 17.5 | ± 10.0 | 17.0 | 0.2 | 43.7 | 505 | 549 |
Race of the participant vs Last menstrual period
Visit 4
N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
---|---|---|---|---|---|---|---|---|
Total | - | - | - | - | - | - | 121 | 121 |
Asian | - | - | - | - | - | - | 3 | 3 |
Black | - | - | - | - | - | - | 1 | 1 |
Hispanic | - | - | - | - | - | - | 2 | 2 |
Native American | - | - | - | - | - | - | 2 | 2 |
White | - | - | - | - | - | - | 113 | 113 |
Race of the participant vs Last menstrual period
Visit 5
N | Mean | StdDev | Median | Min | Max | Unknown | Total | |
---|---|---|---|---|---|---|---|---|
Total | - | - | - | - | - | - | 2 | 2 |
Asian | - | - | - | - | - | - | - | - |
Black | - | - | - | - | - | - | - | - |
Hispanic | - | - | - | - | - | - | - | - |
Native American | - | - | - | - | - | - | - | - |
White | - | - | - | - | - | - | 2 | 2 |