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Table 4 Difference between the groups at the 6- and 12-month follow-ups in relation to baseline, adjusted for age, perceived health, multisite pain, blood pressure, current use of medication, fitness, and civil status

From: Neuromuscular exercise reduces low back pain intensity and improves physical functioning in nursing duties among female healthcare workers; secondary analysis of a randomised controlled trial

   Difference in relation to baseline   
Baseline 6 months 12 months   
Pilates-type NME n = 110 Controls n = 109 M Pilates-type NME n = 88 Controls n = 88 M Pilates-type NME n = 79 Controls n = 78 M p-value p-value, adjusted
% Mean (SD) % Mean (SD)   % Mean (SD) % Mean (SD)   % Mean (SD) % Mean (SD)    
VAS (0–100)   36.3 (21.9)   36.1 (24.0) 1   −10.7 (24.0)   −6.6 (26.1) 14   −11.3 (21.8)   −6.1 (28.1) 8 0.076 0.047
Pain interfering with work (0–100)   61.5 (18.7)   64.4 (19.3) 8   11.0 (18.0)   2.6 (19.3) 14   7.2 (18.1)   1.3 (25.5) 9 0.035 0.046
MCI (0–4)   1.1 (1.0)   1.1 (1.0)   −0.5 (1.0)   −0.3 (1.0)   −0.5 (1.0)   −0.2 (1.1) 0.036 0.042
Fitness components:
 6MWT (metres)   614 (50.8)   620 (48.8) 1   21.5 (35.4)   8.9 (34.4) 2   22.7 (32.5)   13.7 (36.4) 6 0.075 0.273
 Modif. push-ups   9.1 (3.4)   9.0 (2.8) 6   1.7 (2.0)   1.6 (1.9) 10   2.4 (2.6)   2.5 (2.2) 13 0.862 0.979
 Sit-ups; % reaching 20 repetitions max. 62   75   1 74   76   1 77   77   2 0.016 0.033
 One leg squats (0–12)   9.4 (2.7)   9.5 (2.4) 4   0.4 (1.5)   0.6 (1.4) 10   0.3 (1.7)   0.5 (1.3) 20 0.631 0.420
Work-related factors:
 Work-induced lumbar exertion      3      16      10 0.086 0.138
  little 27   32    51   44    48   36     
  moderate to high 73   68    49   56    52   64     
 Physical functioning in nursing tasks (0–80)   6.1 (4.9)   6.6 (5.2) 11   −0.9 (4.4)   0.3 (4.9) 26   −0.3 (4.8)   −0.6 (4.7) 27 0.007 0.061
 Tiredness and recovery (4–18)   10.4 (3.4)   10.0 (3.2) 1   − 0.7 (2.5)   − 0.3 (2.3) 13   −0.3 (3.2)   0.4 (2.3) 7 0.061 0.180
  1. 6MWT 6 min. Walk test, M missing, MCI movement control impairment, NME neuromuscular exercise, VAS visual analogue scale