TABLE 1 -.

Characteristics of participants

Variable	N	Mean	SD	Median	N	Mean	SD	Median
Group	Healthy group				Shoulder pain group
Sex	50				50
Male	26	52%			26	52%
Female	24	48%			24	48%
Age, years	50	36.76	13.36	34	50	41.1	13.80	41.5
Height, cm	50	170.6	9.465	170	50	169.98	9.55	169
Weight, kg	50	73.92	14.58	74.5	50	71.32	14.56	69.6
BMI, kg/m2	50	25.23	3.74	25.2	36	24.99	3.28	25.55
Time with pain, days					50	469	647.76	182.5
Dominant side	50				50
... Left	0	0%			7	14%
... Right	50	100%			43	86%
Affected side	0				50
... Left					25	50%
... Right					25	50%
Previous shoulder pain (beyond the last three months)	50				50
... No	45	90%			39	78%
... Yes	5	10%			11	22%
Previous neck pain (outside the last three months)	50				50
... No	42	84%			35	70%
... Yes	8	16%			15	30%
Pain (actual)					50	3.95	2.55	3
Pain (last week)					50	4.85	1.86	4.2
SPADI (pain)					50	46.16	22.63	43
SPADI (disability)					50	26.8	21.9	24.38
SPADI (total)					50	32.738	19.36	32.31

Abbreviations: SD, standard deviation; BMI, body mass index; SPADI, Shoulder Pain and Disability Index.