Table 2: Between-group comparisons of the differences in dependent variable scores comprising quality of life (n = 118)

Category Process Description Treatment Group
(n = 59)
Control Group
(n = 59)
P-Value Test Statistics
Quality of life Baseline Mean ± SD 94.32 ± 17.71 87.76 ± 18.56 - -
Post-test Mean ± SD 93.69 ± 12.46 82.73 ± 19.57 - -
Difference§ (post-test minus baseline) Mean ± SD − 0.63 ± 17.26 − 5.03 ± 15.78 0.0017 10.39
Physical status Baseline Mean ± SD 24.27 ± 4.85 23.19 ± 5.21 - -
Post-test Mean ± SD 23.29 ± 3.68 20.59 ± 5.43 - -
Difference (post-test minus baseline) Mean ± SD − 0.98 ± 4.82 − 2.59 ± 6.01 0.016 5.99
Family status Baseline Mean ± SD 19.66 ± 4.98 15.9 ± 6.38 - -
Post-test Mean ± SD 19.37 ± 5.06 16.07 ± 6.01 - -
Difference (post-test minus baseline) Mean ± SD − 0.29 ± 4.1 0.17 ± 5.82 0.1407 2.20
Affective status Baseline Mean ± SD 15.98 ± 4.3 15.29 ± 4.9 - -
Post-test Mean ± SD 18.31 ± 3.2 15.88 ± 5.05 - -
Difference (post-test minus baseline) Mean ± SD 2.32 ± 4.35 0.59 ± 4.35 0.0051 8.18
Functional status Baseline Mean ± SD 19.7 ± 5.48 18.08 ± 6.32 - -
Post-test Mean ± SD 17.47 ± 5.86 15.9 ± 7.34 - -
Difference (post-test minus baseline) Mean ± SD − 2.39 ± 6.25 (n = 56) −2.19 ± 5.5 0.5802 0.31
Other status Baseline Mean ± SD 16.55 ± 4.09 15.31 ± 4.5 - -
Post-test Mean ± SD 15.25 ± 4.05 14.29 ± 4.2 - -
Difference (post-test minus baseline) Mean ± SD −1.05 ± 5.19 −1.02 ± 5.54 0.0359 4.52

p-Value by Analysis of Covariance (ANCOVA), with correction for pre-test score, age, education, and employment f-value determined using ANCOVA § The difference was obtained by subtracting the baseline from post-test values Abbreviation: SD, Standard Deviation.

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