Table 1: Baseline and demographic characteristics of study groups.

CharacteristicsIntervention (n = 43)Placebo (n = 41)P

Age mean (SD)48.25 (13.34)52.26 (10.98).069
Sex (%)
 Female95.3597.56.529
 Male4.652.44.052
Aggravating factors (%)
 Emotional factors1001001.000
 Stress4250.086
 Work involving standing46.3249.48.194
 Cold1001001.000
Work activity (%)
 Full-time1218.098
 Part-time3426.067
 Sick leave1121.051
 Unemployed4335.069
Diseases related to fibromyalgia syndrome (%)
 Arthritis6.238.77.119
 Chorea2.133.87.201
 Type I diabetes3.255.75.127
 Type II diabetes78.845
 Ulcerous colitis6.53.5.075

P = .05 between intervention and placebo groups.