Skip to main content
. 2019 Jun 25;33(8):948–954. doi: 10.1177/0269881119855978

Table 1.

Sample characteristics M (SD).

S’/S’ L’/L’ t-test
t(96) p
n 47 51
 Men 11 14
 Women 36 37
Age 22.53 (2.12) 21.92 (1.86) 1.514 0.133
PSQI 4.47 (1.97) 4.10 (2.42) 0.820 0.414
ISI 5.04 (3.05) 4.55 (3.88) 0.703 0.484
CES-D 7.43 (7.39) 7.00 (7.00) 0.291 0.771

CES-D: Center for Epidemiological Studies Depression Scale; ISI: Insomnia Severity Index; M: mean; n: number of participants; p: p-value; PSQI: Pittsburgh Sleep Quality Index; SD: standard deviation; t: t-statistic.