Table 1.
Baseline demographic characteristics of participants by group.
|
|
Overall (N=27) | Control group (n=12) | Feedback group (n=15) | P value |
| Age (years), mean (SD) | 41.78 (7.90) | 43.42 (8.72) | 40.47 (7.21) | .35a |
| Female, n (%) | 9 (33) | 6 (50) | 3 (20) | .22b |
| BMI (kg/m2), mean (SD) | 21.65 (2.60) | 21.18 (2.54) | 22.03 (2.67) | .40a |
| BDI-IIc, mean (SD) | 6.51 (5.13) | 6.92 (4.94) | 6.20 (5.42) | .72a |
| BDI-II >13, n (%) | 4 (15) | 2 (17) | 2 (13) | .99b |
| STAI Y-1d, mean (SD) | 39.78 (11.05) | 38.75 (11.31) | 40.60 (11.17) | .67a |
| STAI Y-2e, mean (SD) | 40.74 (10.28) | 38.67 (8.50) | 41.20 (11.69) | .52a |
| PSQIf, mean (SD) | 4.73 (2.16) | 4.75 (2.05) | 4.71 (2.33) | .97a |
| Swg, mean (SD) | 6 h 18 min (1 h 4 min) | 6 h 20 min (1 h 18 min) | 6 h 16 min (53 min) | .88a |
| Sfh, mean (SD) | 6 h 49 min (1 h 23 min) | 6 h 35 min (1 h 23 min) | 7 h 00 min (1 h 25 min) | .45a |
aWelch t test.
bFisher exact test.
cBDI-II: Beck Depression Inventory second edition.
dSTAI Y-1: State Anxiety Scale.
eSTAI Y-2: Trait Anxiety Scale.
fPSQI: Pittsburgh Sleep Quality Index.
gSw: sleep duration on work days.
hSf: sleep duration on free days.