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.