Middle East Current Psychiatry

Table 4 Comparison of the sleep disorders between shift workers and non-shift workers

From: Sleep disorders linked to quality of life in a sample of Egyptian policemen a comparative study between shift workers and non-shift workers

Sleep disorders	Groups		P value (Sig.)
Sleep disorders	Group (I) Shift workers (n = 32)	Group (II) Non-shift workers (n = 32)	P value (Sig.)
Sleep disorders
Yes	31 (96.9%)	11 (34.4%)	0.01**
No	1 (3.1%)	21 (65.6%)	0.01**
Type of sleep disorders
Hypersomnia	4 (12.5%)	1 (3.1%)	0.35^NS
Insomnia	24 (75.0%)	9 (28.1%)	0.01**
Breathing	5 (15.6%)	3 (9.4%)	0.71^NS
Limb movements	7 (21.9%)	1 (3.1%)	0.49^NS

Chi-square test was used
^**highly significant (p<0.01)
NS non significant

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