Table 3.

Relationship between body mass index and age and standing and walking balance

Outcome measure	Pearson correlation (r)			P
	Shoulder pain group (n=15)	Control group (n=15)	Both groups	Shoulder pain group (n=15)	Control group (n=15)	Both groups
BMI versus
Challenge Disc test	0.070	0.675	−0.408	0.805	−0.006	0.025*
Right UPST	0.314	−0.279	0.054	0.255	0.314	0.777
Left UPST	−0.091	−0.272	−0.151	0.747	0.326	0.427
Right COPd	−0.007	−0.506	−0.234	0.981	0.054	0.214
Right stance phase duration	0.416	0.284	0.349	0.123	0.305	0.059
Left stance phase duration	0.310	0.100	0.201	0.261	0.723	0.287
TUG	0.375	0.505	−0.424	0.169	0.055	0.020*
Age versus
Challenge Disc test	−0.590	0.428	−0.453	0.021	0.111	0.012*
Right UPST	−0.240	−0.446	−0.315	0.389	0.096	0.090
Left UPST	−0.072	−0.020	−0.039	0.798	0.943	0.836
Right COPd	0.358	−0.102	0.141	0.190	0.717	0.457
Left COPd	−0.078	−0.316	−0.218	0.782	0.252	0.247
Right stance phase duration	0.278	0.114	0.196	0.316	0.687	0.299
Left stance phase duration	−0.211	−0.144	−0.177	0.451	0.609	0.350
TUG	0.375	0.198	0.282	0.168	0.480	0.130

*Significant correlation. UPST – Unipedal stance test; TUG – Timed up and go; COPd – Center of pressure deviation; NPRS – Numeric Pain Rating Scale; BMI – Body mass index