Table 5a.

Pain Measures

Variable	Mean (S.D.) Active	Mean (S.D.) No pain	p-value
Age	35.79 (12.96)	25.62 (7.75)	0.0015 **
VAS Current Pain Score, Right	2.091 (1.900)	0 (0)	<0.0001 ***
VAS Current Pain Score, Left	1.545 (1.625)	0 (0)	<0.0001 ***
VAS Average Pain Score, Right	3.363 (1.891)	0.115 (0.588)	<0.0001 ***
VAS Average Pain Score, Left	2.455 (1.945)	0.077 (0.392)	<0.0001 ***
BPI Score	3.326 (1.695)	0.702 (1.134)	<0.0001 ***
BPI P! Interference Sleep Score	2.522 (2.874)	0.385 (1.235)	<0.0001 ***
PPT Score Site 1	10.06 (2.79)	13.52 (3.90)	0.0013 **
PPT Score Site 2	9.09 (3.15)	11.62 (4.33)	0.0296 *
PPT Score Site 3	8.29 (2.77)	11.76 (4.69)	0.0038 **
PPT Score Site 4	10.38 (3.58)	13.28 (4.24)	0.0180 **

^*p-value < 0.05;

^**p-value <= 0.01;

^***p-value <= 0.001

VAS=Visual Analogue Scale

BPI=Brief Pain Inventory

PPT=Pain Pressure Threshold (algometry). Sites correspond to anatomical areas across the upper trapezius