Table 1.

Demographics and clinical characteristics of the computer users with pain and without pain

	Pain group n = 47	Healthy controls n = 17
Male	14	5
Female	33	12
Age (yr.) (Mean ± SE)	47.6 ± 1.5	43.2 ± 2.3
Body mass index (kg/m2) (Mean ± SE)	24.1 ± 0.6	25.4 ± 0.9
Pain duration (yr.) (Mean ± SE)	6.8 ± 1.0	0
Pain intensity on the day of experiment (Mean ± SE)	2.3 ± 0.3 cm	0
Pain during last 24 h (Mean ± SE)	3.2 ± 1.8	0