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Table 5 Mean (SD) scores and responsiveness of the EC-17, BACQ, EAC and GHQ-20 (n = 66)

From: Translation, data quality, reliability, validity and responsiveness of the Norwegian version of the Effective Musculoskeletal Consumer Scale (EC-17)

Instrument Pre-test Post-test Change score SRMa
EC-17 b 62.55 (15.34) 66.93 (13.37)** 4.39 (9.25) 0.48
EAC processing c 2.83 (0.66) 2.93 (0.66) 0.10 (0.52) 0.19
EAC expression 2.76 (0.63) 2.82 (0.57) 0.06 (0.45) 0.13
BACQ Approachd 3.42 (0.54) 3.54 (0.55) 0.12 (0.46) 0.25
BACQ Avoidance 3.24 (1.04) 3.10 (0.56) -0.14 (0.93) 0.15
GHQ-20e 22.94 (9.96) 17.55 (8.89)** -5.39 (7.15) 0.75
  1. a SRM standardised response mean = mean change in score divided by the standard deviation of the change in scores.
  2. b EC-17 is scored from 0 to 100 where 100 is the best possible score.
  3. c The EAC is scored from 1 to 4 where 4 is the best possible score.
  4. d The BACQ is scored from 1 to 5 where 5 is the best possible score.
  5. e GHQ-20 is scored from 0 to 60 where 0 is the best possible score.
  6. Asterisks denote statistical significance: *p < 0.05; **p < 0.01.