Table 1.

Characteristics of employees who accepted (yes) and declined (no) participation in the intervention.

	Women (N = 570)			Men (N = 420)
	Yes	No	p - value	Yes	No	p - value
Age (years)	44 (11)	42 (12)	0.04	49 (9)	48 (11)	0.19
Height (cm)	168 (6)	170 (6)	0.01	184 (6)	183 (6)	0.61
Weight (kg)	70 (13)	69 (12)	0.62	90 (13)	88 (11)	0.42
BMI (kg m-2)	25 (4)	24 (4)	0.09	27 (3)	26 (3)	0.47
Neck pain intensity previous 3 months (scale 0-9)	3.8 (2.3)	2.5 (2.4)	<.0001	2.7 (2.3)	1.7 (2.0)	<.0001
Shoulder (right) pain intensity previous 3 months (scale 0-9)	2.6 (2.5)	1.6 (2.1)	<.0001	1.9 (2.3)	0.8 (1.5)	<.0001
Shoulder (left) pain intensity previous 3 months (scale 0-9)	2.1 (2.4)	1.3 (2.0)	<.0001	1.4 (2.1)	0.6 (1.4)	<.0001
12-month prevalence of neck pain	94%	78%	<.0001	85%	63%	<.0001
12-month prevalence of right shoulder pain	73%	53%	<.0001	59%	35%	<.0001
12-month prevalence of left shoulder pain	64%	41%	<.0001	49%	26%	<.0001

P-values denote significance levels between those accepting and declining participation, separately for women and men.