|
Variable
|
Total eligible sample
|
Participants
|
Non-participants
|
P-value
|
|---|
|
n
|
396
|
324
|
72
| |
|
Age, years
|
44.2 ± 8.42
|
43.8 ± 8.37
|
45.7 ± 8.56
|
0.089
|
|
BMI, kg/m2
|
23.6 ± 3.03
|
23.7 ± 3.07
|
23.2 ± 2.85
|
0.208
|
|
ESS
|
8.0 ± 4.3
|
8.1 ± 4.3
|
7.6 ± 4.4
|
0.305
|
|
PSQI
|
4.7 ± 2.0
|
4.8 ± 2.0
|
4.2 ± 1.9
|
0.011
|
|
TST, hour
|
5.9 ± 0.86
|
5.9 ± 0.85
|
6.0 ± 0.89
|
0.748
|
|
SF-36 PF
|
53.8 ± 6.28
|
53.8 ± 6.41
|
54.0 ± 5.69
|
0.746
|
|
RP
|
52.1 ± 7.80
|
52.3 ± 7.30
|
51.2 ± 9.71
|
0.332
|
|
BP
|
51.4 ± 9.63
|
51.4 ± 7.27
|
51.5 ± 11.2
|
0.893
|
|
GH
|
51.2 ± 8.88
|
51.0 ± 9.05
|
52.1 ± 8.07
|
0.341
|
|
VT
|
50.5 ± 8.54
|
50.2 ± 8.24
|
52.0 ± 9.71
|
0.110
|
|
SF
|
52.7 ± 8.00
|
52.8 ± 7.78
|
52.3 ± 8.97
|
0.620
|
|
RE
|
51.7 ± 7.90
|
51.5 ± 7.76
|
52.1 ± 8.54
|
0.567
|
|
MH
|
50.6 ± 8.90
|
50.6 ± 8.76
|
51.0 ± 9.57
|
0.715
|
- Independent t-tests were performed to compare continuous data between participants and non-participants. The total sleep time (TST) was obtained from the questionnaire
-
PSQI Pittsburgh Sleep Quality Index, ESS Epworth sleepiness scale; Medical Outcomes Study 36-item Health Survey (SF-36), PF physical functioning, RP role limitations due to physical health (role-physical); BP, bodily pain, GH general health perceptions, VT vitality, SF social functioning, RE role limitations due to emotional problems (role-emotional); and MH mental health
