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Table 1 Patient characteristics at baseline in the two groups

From: Does moderate-to-high intensity Nordic walking improve functional capacity and pain in fibromyalgia? A prospective randomized controlled trial

  Nordic Walking n= 34 Low intensive Walking n= 33  
  Mean ± SD Mean ± SD P-value
Age, years 48 ± 7.8 50 ± 7.6 0.189
Symptom duration, years 11 ± 5.4 12 ± 5.3 0.436
Pain localisation, 0 to 18 14 ± 3.1 14 ± 2.7 0.548
TP, n 15 ± 1.8 15 ± 2.2 0.554
Algometer, kPa/sec 196 ± 56.0 210 ± 64.6 0.437
LTPAI, h 5.6 ± 4.6 4.8 ± 4.3 0.270
BMI 28 ± 4.0 28 ± 4.5 0.990
HAD-A 9.8 ± 5.3 7.2 ± 4.2 0.040
HAD-D 7.6 ± 4.3 6.8 ± 3.9 0.372
  n (%) n (%)  
Pharmacological treatment    
   Analgesics, yes 28 (82%) 27 (82%) 1.000
   Antidepressants/sedatives, yes 24 (70%) 21 (64%) 0.433
   Beta blocks, yes 4 (12%) 3 (9%) 0.517
Education, years    
   ≤ 9 3 (9%) 10 (30%)  
   10 to 12 18 (53%) 11 (33%)  
   >12 13 (38%) 12 (36%) 1.195
Work status    
   100 to 80% 8 (24%) 4 (12%)  
   79 to 50% 8 (24%) 11 (33%)  
   <50% 3 (9%) 4 (12%)  
   Not working 15 (44%) 14 (42%) 0.696
Sick-leave    
   None 31 (91%) 30 (91%)  
   25 to 75% 1 (3%) 3 (9%)  
   100% 2 (6%) 0 (0%) 0.574
Sick- or disability pension    
   None 13 (38%) 7 (21%)  
   25 to 75% 8 (24%) 13 (39%)  
   100% 13 (38%) 13 (40%) 0.370
  1. P-values for the differences between the groups are given.
  2. TP, tender point, LTPAI, Leisure Time Physical Activity Instrument, BMI, body mass index, HAD-A, Hospital Anxiety and Depression - Anxiety, HAD-D, Hospital Anxiety and Depression - Depression, SD, standard deviation.