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Copyright: ©Author(s) 2026.
World J Psychiatry. Jun 19, 2026; 16(6): 118232
Published online Jun 19, 2026. doi: 10.5498/wjp.v16.i6.118232
Table 11 Comparison between groups in Pittsburgh Sleep Quality Index (Mann-Whitney and Hedges’ g)
Moment
Group
Sample size
mean ± SD
P value
g (Hedges)
Pre-testControl320.94 ± 0.760.411-0.188
Experimental241.08 ± 0.78
Post-testControl321.03 ± 0.820.7110.145
Experimental240.92 ± 0.72


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