Middle East Current Psychiatry

Table 3 Relation between Insomnia Severity Index (ISI) and sociodemographic data

From: Prevalence of insomnia in a sample of Internet addicts in different age groups in Abu Dhabi, UAE

	Insomnia Severity Index		P value
	Median (range)	Statistical values	P value
Total sample	9 (0–27)
Age
18–29	10 (0–25)
30–39	10 (0–27)	KW = 1.842	0.606^#
40–49	9 (0–23)
50 or more	8 (0–21)
Sex
Male	10 (0–25)	Z = − 2.668	0.008*
Female	8 (0–27)
Marital status
Married	9 (0–27)	Z = − 0.001	0.999*
Unmarried	9 (0–25)
Educational level
Less than university	10 (0–25)	Z = − 0.453	0.650*
University level	9 (0–27)
Occupation
Governmental	9 (0–23)
Private	9 (0–25)	KW = 11.775	0.003^#
Unemployed	12 (1–27)
Residency
Urban	9 (0–26)	Z = − 0.519	0.604*
Rural	9 (0–27)

Z Z value, KW Kruskal–Wallis value
^*Mann–Whitney test
^#Kruskal–Wallis test

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