Effects of mattress support on sleeping position and low-back pain

Table 2 NPRS scores for each variable. Experimental mattress means are from night four and personal mattress means are an average of nights one and five

Variable (N=16)	Mean ± SD	Χ²	df	p
Pain while lying in bed
Personal mattress	4.59 ± 2.05	7.71	2	<0.05^a
Experimental mattress	3.78 ± 2.24	7.71	2	<0.05^a
Pain on rising
Personal mattress	4.61 ± 2.03	4.54	2	0.103
Experimental mattress	4.03 ± 2.19	4.54	2	0.103
Stiffness on rising
Personal mattress	5.17 ± 1.94	5.92	2	0.052
Experimental mattress	4.25 ± 2.12	5.92	2	0.052
Sleep quality
Personal mattress	5.56 ± 1.50	5.15	2	0.076
Experimental mattress	6.13 ± 1.20	5.15	2	0.076
Mattress comfort
Personal mattress	5.53 ± 1.39	16.63	2	<0.01^a
Experimental mattress	7.38 ± 1.04	16.63	2	<0.01^a

ISSN: 2398-2683