Sleep quality among psoriasis patients: excluding the immunosuppressive therapy effect

Middle East Current Psychiatry

Table 5 Correlation between BDI and Taylor Manifest Anxiety scale with PSQI global and all its subscales and Insomnia Severity Index (ISI)

	Correlation coefficient	P value	N
BDI
PSQI-global	0.201	0.045	100
Subjective sleep quality	0.277	0.005	100
Sleep latency	0.151	0.135	100
Sleep duration	-0.012	0.906	100
Habitual sleep efficiency	-0.102	0.313	100
Sleep disturbance	0.151	0.134	100
Use of sleeping medication	0.181	0.071	100
Daytime dysfunction	0.185	0.066	100
ISI	0.223	0.026	100
Taylor Manifest Anxiety Scale
PSQI-global score	0.286	0.004	100
Subjective sleep quality	0.262	0.008	100
Sleep latency	0.259	0.009	100
Sleep duration	0.096	0.340	100
Habitual sleep efficiency	-0.041	0.683	100
Sleep disturbance	0.237	0.017	100
Use of sleeping medication	0.225	0.024	100
Daytime dysfunction	0.207	0.039	100
ISI	0.314	0.001	100