Sleep Characteristics, Sleep Problems, and Associations to Quality of Life among Psychotherapists

Table 1

Descriptive statistics for scales.

Scale	Theoretical range	M	SD	skewness
ASI	0–4	.70	.57	1.12
WBI-5	0–5	2.94	.90	−.50
SWLS	0–6	4.17	1.04	−.84
VBBA-WL	0–3	1.32	0.55	.54
SJD	1–6	2.79	1.08	.23

Note. ASI: Arabic Insomnia Scale, WBI-5: Well-being Index, SWLS: life satisfaction, VBBA-WL: three workload items derived from VBBA, SJD: Specific Job Demands Scale.