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Table 3 Mean Changes (SD), Follow-up minus Baseline, and Effect Sizes Compared to Wait List

From: Pilot study of an internet-based pain coping skills training program for patients with systemic Lupus Erythematosus

  Wait List
(N = 30)
Mean (SD) Change
painTRAINER (N = 30) painTRAINER Users
(N = 15)
Mean (SD) Change Effect Size Mean (SD) Change Effect Size
Pain Catastrophizingb 3.6 (6.5) 2.3 (9.6) −0.16 −0.9 (8.9) −0.60
PROMIS Pain Interferenceb −1.7 (790) −2.6 (6.6) − 0.12 −3.9 (6.5) − 0.30
PROMIS Physical Functiona − 0.6 (7.0) − 3.8 (4.1) − 0.56 −4.0 (4.4) − 0.55
PROMIS Participationa 0.5 (6.8) 0.7 (6.5) 0.03 0.8 (7.4) 0.05
PROMIS Sleep Disturbanceb 0.4 (9.3) 0.6 (9.4) 0.02 −2.1 (7.8) −0.28
PROMIS Anxietyb 0.4 (11.2) 1.4 (9.3) 0.09 −0.7 (8.1) −0.11
PROMIS Depressionb −0.6 (9.0) −3.4 (8.6) −0.32 −4.1 (5.2) − 0.44
PROMIS Fatigueb −3.5 (7.1) −2.2 (8.2) 0.17 −5.1 (6.2) −0.23
LupusPRO Health-Related Quality of Life Scorec 1.4 (12.0) 2.0 (13.3) 0.04 4.9 (11.1) 0.30
LupusPRO Non-Health-Related Quality of Life Scored 3.7 (13.4) 3.9 (13.3) 0.02 3.1 (14.7) −0.04
  1. aPositive score indicates improvement
  2. bNegative score indicates improvement
  3. cIncludes physical health, pain, symptoms, cognition, medications and procreation
  4. dIncludes satisfaction with care, coping, desires-goals, and social support