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. 2020 Aug 10;42(6):540–548. doi: 10.1177/0253717620932250

TABLE 3. Within- and Between-Group Differences (RMANOVA) on Measures at Different Time Points and Effect Sizes Noted in the SMI and TAU Groups on Barriers to Self-care, Illness Perceptions, and Mood.

Variable SMI Mean (SD) Within-Group Effects Effect Size TAU Mean (SD) Within-Group Effects Effect Size Between-Group Effects
Pre Post F/U F Sig (2-Tailed) Post F/U Pre Post F/U F Sig (2-Tailed) Post F/U F Sig (2-Tailed)
BSC-diet 4.45 ± 0.99 3.86 ± 0.91 3.78 ± 0.93 63.26*** 0.001 0.62a 0.69a 4.24 ± 0.96 4.26 ± 0.98 4.28 ± 0.96 1.44 0.24 0.02 0.04 1.18 0.27
BSC-exercise 3.96 ± 0.89 3.48 ± 0.96 3.38 ± 0.99 40.93*** 0.001 0.51a 0.61a 3.87 ± 0.92 3.94 ± 0.92 3.94 ± 0.94 4.35* 0.02 0.02 0.07 2.22 0.14
BSC-M 2.14 ± 0.97 2.06 ± 0.89 2.01 ± 0.78 5.70** 0.01 0.08 0.14 1.99 ± 0.67 2.01 ± 0.66 2.00 ± 0.65 0.22 0.63 0.01 0.01 0.20 0.65
BSC-GT 2.64 ± 1.29 2.52 ± 1.25 2.49 ± 1.24 3.68* 0.04 0.10 0.07 2.73 ± 1.74 2.73 ± 1.74 2.73 ± 1.74 0.59 0.48 0.005 0.011 0.28 0.59
BSC-GEN 3.64 ± 0.68 3.37 ± 0.71 3.30 ± 0.77 18.58*** 0.001 0.38 0.51a 3.50 ± 0.86 3.51 ± 0.88 3.53 ± 0.87 0.59 0.50 0.011 0.03 0.19 0.66
BSC-total 3.34 ± 0.77 3.06 ± 0.72 3.00 ± 0.69 31.72*** 0.001 0.37 0.50a 3.26 ± 0.75 3.30 ± 0.75 3.31 ± 0.75 4.26* 0.01 0.05 0.06 0.85 0.35
IPQ-I 3.57 ± 2.46 3.10 ± 1.94 2.98 ± 1.77 5.39** 0.001 0.18 0.02 3.25 ± 2.38 3.60 ± 2.42 3.55 ± 2.34 6.52** 0.007 0.14 0.13 0.26 0.60
IPQ-T 23.85 ± 3.66 25.17 ± 3.09 25.47 ± 2.44 8.69** 0.002 0.38 0.54a 23.63 ± 3.34 23.63 ± 3.24 23.62 ± 3.22 0.001 1.00 0.003 0.003 3.23 0.07
IPQ-C 24.28 ± 3.32 24.38 ± 3.15 24.38 ± 3.20 0.18 0.69 0.03 0.03 24.05 ± 2.81 23.97 ± 2.87 23.95 ± 2.75 0.45 0.59 0.02 0.03 0.27 0.60
IPQ-PC 19.50 ± 3.53 23.40 ± 3.35 23.93 ± 3.72 39.71*** 0.001 1.14 1.23 20.47 ± 4.29 20.45 ± 4.27 20.50 ± 4.28 0.42 0.60 0.004 0.007 4.80 0.03*
IPQ-TC 15.25 ± 2.18 18.10 ± 2.67 18.30 ± 2.77 45.45*** 0.001 1.20a 1.26a 15.73 ± 2.44 15.62 ± 2.44 15.68 ± 2.47 0.49 0.50 0.017 0.02 8.85 0.004**
IPQ-IC 14.70 ± 4.12 17.67 ± 2.93 17.97 ± 2.91 31.91*** 0.001 0.83a 0.92a 15.25 ± 3.84 15.18 ± 4.08 15.20 ± 4.08 0.26 0.62 0.03 0.012 4.04 0.04*
IPQ- CYC 13.30 ± 2.25 13.60 ± 2.43 13.18 ± 2.18 1.50 0.23 0.13 0.05 13.17 ± 2.65 13.27 ± 2.56 13.25 ± 2.55 1.08 0.32 0.03 0.03 0.05 0.81
IPQ-ER 22.72 ± 2.51 19.67 ± 2.57 18.78 ± 3.00 51.33*** 0.001 1.21a 1.42a 22.57 ± 2.14 22.60 ± 2.45 22.73 ± 2.40 0.81 0.44 0.04 0.08 19.37 0.001***
HADS-D 4.15 ± 3.07 3.13 ± 2.59 2.60 ± 2.29 22.13*** 0.001 0.36 0.58a 4.18 ± 2.73 4.07 ± 2.65 4.18 ± 2.65 0.47 0.54 0.04 0.003 2.15 0.14
HADS-A 4.65 ± 1.96 3.90 ± 1.61 3.38 ± 1.42 30.63*** 0.001 0.42 0.81a 4.05 ± 2.98 4.05 ± 2.68 4.02 ± 2.61 0.02 0.92 0.003 0.010 0.91 0.89

BSC: barriers to self-care, IPQ: illness perception questionnaire, CYC: cyclical, T: timeline, C: consequences, PC: personal control, TC: treatment control, HADS: hospital anxiety and depression scale, D: depression, Anx: anxiety >0.20: small effect size, >0.50: medium effect size, >0.80: large effect size. aModerate to large effect size. Higher scores indicate better QoL. ***P < 0.001, **P < 0.01, *P < 0.05.