Research Article

Effect of a Positive Psychology Expressive Writing on Stigma, Hope, Coping Style, and Quality of Life in Hospitalized Female Patients with Schizophrenia: A Randomized, Controlled Trial

Table 4

Change in PDD, HHIS, SCSQ, and SQLS scores for the two groups.

ScalesGroupPretestPosttestDifference valuet95% CIES Cohen’s d

PDDTotalExperimental (n = 25)30.08 ± 2.8725.12 ± 3.11−4.96 ± 2.1711.430.0004.06∼5.862.29
Control (n = 24)30.00 ± 2.8628.13 ± 4.19−1.88 ± 3.102.970.0070.49∼2.840.61

HHISPositive attitude towards present and futureExperimental (n = 25)10.72 ± 1.0612.16 ± 1.21−1.44 ± 1.33−5.430.000−1.99∼−0.891.08
Control (n = 24)11.17 ± 1.5511.29 ± 1.4−0.13 ± 1.3−0.470.641−0.67∼0.42
Positive actionExperimental (n = 25)11.16 ± 1.5712.44 ± 1.66−1.28 ± 0.68−9.440.000−1.56∼−1.001.88
Control (n = 24)11.08 ± 2.2811.17 ± 2.24−0.08 ± 1.06−0.390.704−0.53∼0.36
Close relationships with othersExperimental (n = 25)10.84 ± 1.8412.00 ± 1.41−1.16 ± 1.31−4.420.000−1.70∼−0.620.89
Control (n = 24)10.79 ± 1.5610.88 ± 1.54−0.08 ± 0.97−0.420.679−0.49∼0.33
TotalExperimental (n = 25)33.00 ± 2.8736.6 ± 3.71−3.6 ± 1.83−9.860.000−4.35∼−2.851.97
Control (n = 24)33.54 ± 3.2034.17 ± 3.02−0.63 ± 2.53−1.210.239−1.69∼0.44

SCSQPositive coping styleExperimental (n = 25)17.92 ± 5.5125.44 ± 4.73−7.52 ± 3.24−11.600.000−8.86∼−6.182.32
Control (n = 24)19.71 ± 6.8521.58 ± 6.21−1.88 ± 5.01−1.830.080−3.99∼0.24
Negative coping styleExperimental (n = 25)9.96 ± 4.446.72 ± 3.33.24 ± 3.784.290.0001.68∼4.800.86
Control (n = 24)11.63 ± 4.5611.13 ± 3.370.50 ± 4.600.530.599−1.44∼2.44

SQLSPsychosocial symptomsExperimental (n = 25)35.60 ± 2.8916.16 ± 7.3719.44 ± 7.6812.650.00016.27∼22.612.53
Control (n = 24)34.50 ± 5.0330.29 ± 2.394.21 ± 5.243.930.0011.99∼6.420.80
Energy/motivationExperimental (n = 25)20.36 ± 2.1811.04 ± 5.709.32 ± 5.388.660.0007.1∼11.541.73
Control (n = 24)19.17 ± 2.9716.17 ± 2.263.00 ± 3.953.730.0011.33∼4.670.76
Symptoms/side effectsExperimental (n = 25)16.52 ± 3.245.32 ± 2.9511.20 ± 3.6615.290.0009.69∼12.713.06
Control (n = 24)18.00 ± 4.2715.58 ± 3.242.42 ± 5.902.010.057−0.07∼4.91
TotalExperimental (n = 25)72.48 ± 4.5332.52 ± 11.5739.96 ± 11.1617.900.00035.35∼44.573.58
Control (n = 24)71.67 ± 7.2362.04 ± 4.339.63 ± 7.875.990.0006.3∼12.951.22

Note. Per-protocol analysis; PPD, Perceived Devaluation-Discrimination; HHIS, Herth Hope Index Scale; SCSQ, Simplified Coping Style Questionnaire; SQLS, Quality of Life Scale for Schizophrenia.