Table 1.
Participant characteristics
| M or n | SD or % | Amount of between-person variation | Amount of within-person variation | |
|---|---|---|---|---|
| Age | 32.65 | 10.07 | – | – |
| Gender | 50 | 62.5% female | – | – |
| Race | 71 | 88.8% White | – | – |
| Ethnicity | 71 | 88.8% non-Hispanic/Latinx | – | – |
| Married | 33 | 41.3% married | – | – |
| Employment status | 49 | 61.3% working full time | – | – |
| Education (years) | 16.81 | 2.26 | – | – |
| EEG TST (min.) | 381.14 | 73.73 | 20% | 80% |
| EEG SE (%) | 82.57 | 8.77 | 46% | 52% |
| EEG SOL (min.) | 30.73 | 29.50 | 43% | 57% |
| EEG WASO (min.) | 43.75 | 43.86 | 22% | 78% |
| EEG REM (min.) | 93.56 | 41.84 | 39% | 61% |
| EEG SWS (min.) | 83.57 | 29.66 | 48% | 52% |
| Acti TST (min.) | 387.06 | 73.90 | 32% | 68% |
| Acti SE (%) | 83.01 | 7.18 | 41% | 59% |
| Acti SOL (min.) | 13.72 | 15.33 | 28% | 72% |
| Acti WASO (min.) | 46.55 | 23.92 | 50% | 50% |
| Diary TST (min.) | 405.91 | 90.54 | 24% | 76% |
| Diary SE (%) | 86.63 | 13.84 | 22% | 78% |
| Diary SOL (min.) | 20.70 | 29.65 | 38% | 62% |
| Diary WASO (min.) | 15.01 | 17.50 | 22% | 78% |
| Daily stressor frequency | 0.57 | 0.57 | 31% | 69% |
| Daily stressor severity | 1.65 | 0.49 | 1% | 99% |
Acti actigraphy; Diary sleep diary; EEG electroencephalogram; REM rapid eye movement sleep (in minutes); SD standard deviation; SE sleep efficiency (TST/time in bed × 100); SOL sleep onset latency (in minutes); SWS slow wave sleep (in minutes); TST total sleep time (in minutes); WASO wake after sleep onset (in minutes).