Table 1.
General characteristics of participants (N = 286).
Fig 1.
Scree plot of K-PSAS-15.
Table 2.
Results of exploratory factor analysis for the K-PSAS-16 and K-PSAS-15 (N = 286).
Table 3.
Item statistics for the K-PSAS-16 and K-PSAS-15 (N = 286).
Table 4.
Correlation coefficients between the K-PSAS, ISI, PSQI, and HADS (N = 286).