Table 3.

Environmental variables^*

Variable		Frequency
	Never	Sometimes	Often	Always
Physical factors
Noise	121 (50.41)	75 (31.3)	30 (12.5)	14 (5.8)
Light	174 (72.5)	36 (15.0)	17 (7.1)	13 (5.4)
Room temperature	159 (66.3)	46 (19.2)	18 (7.5)	17 (7.1)
Quality of bed	154 (64.2)	43 (17.9)	19 (7.91)	21 (8.8)
Caring factors
Diagnostic tests	165 (68.8)	46 (19.2)	17 (7.1)	12 (5)
Control of vital signs	170 (70.8)	42 (17.5)	11 (4.6)	17 (7.1)
Drugs prescription	156 (65.0)	52 (21.7)	17 (7.1)	15 (6.3)

^*Data are presented as n (%)