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Table 2 Intention-to-treat analysis of neck and shoulder pain intensity the previous 3-months and 7-days

From: Self-administered physical exercise training as treatment of neck and shoulder pain among military helicopter pilots and crew: a randomized controlled trial

  ETG (n = 35) REF (n = 34) (95% Conf. Interval) p-value
Neck pain previous 3-months
Pre-intervention 1.9 ± 1.7 2.5 ± 1.9 - 0.6 (- 1.5 - 0.3) 0.159
Post-intervention 1.9 ± 2.0 1.9 ± 1.8 - 0.1 (- 1.0 – 0.8) 0.865
Change 0.0 ± 2.5 - 0.5 ± 1.7 0.5 (- 0.5 – 1.6) 0.291
Neck pain previous 7-days
Pre-intervention 1.0 ± 1.4 1.0 ± 1.5 0.1 (- 0.7 – 0.8) 0.871
Post-intervention 0.6 ± 1.1 0.7 ± 1.4 - 0.1 (- 0.7 – 0.5) 0.724
Change - 0.5 ± 1.1† - 0.3 ± 1.4 - 0.2 (- 0.8 – 0.5) 0.602
Shoulder pain (right side) previous 3-months
Pre-intervention 1.3 ± 2.0 1.3 ± 1.5 0.0 (- 0.8 – 0.9) 0.951
Post-intervention 1.1 ± 1.8 1.6 ± 2.2 - 0.5 (- 1.4 – 0.5) 0.327
Change - 0.1 ± 2.1 0.4 ± 1.6 - 0.5 (- 1.4 – 0.4) 0.267
Shoulder pain (right side) previous 7-days
Pre-intervention 0.7 ± 1.7 0.5 ± 1.1 0.2 (- 0.5 – 0.9) 0.529
Post-intervention 0.6 ± 1.6 0.9 ± 1.9 - 0.3 (- 1.1 – 0.6) 0.515
Change - 0.1 ± 1.9 0.3 ± 1.2 - 0.5 (- 1.3 – 0.3) 0.213
Shoulder pain (left side) previous 3-months
Pre-intervention 0.8 ± 1.5 0.9 ± 1.5 - 0.0 (- 0.8 – 0.7) 0.913
Post-intervention 0.7 ± 1.3 0.6 ± 1.2 0.0 (- 0.6 – 0.6) 0.969
Change - 0.2 ± 1.6 - 0.2 ± 1.6 0.1 (- 0.7 – 0.8) 0.895
Shoulder pain (left side) previous 7-days
Pre-intervention 0.4 ± 1.1 0.5 ± 1.3 - 0.1 (- 0.7 – 0.5) 0.694
Post-intervention 0.4 ± 1.0 0.0 ± 0.2 0.3 (0.0 – 0.7) 0.049*
Change - 0.1 ± 1.3 - 0.5 ± 1.3† 0.5 (-0.2 – 1.1) 0.149
  1. Values are presented as mean ± SD. Significant between-group-difference is denoted by *. Significant within-group-change is denoted by †. Exercise-training-group (ETG), Reference-group (REF)