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. 2021 Aug 20;26:100447. doi: 10.1016/j.invent.2021.100447

Table 3.

Means, Standard Deviations at baseline (T0), 6-month (T1) and 12-month follow-up (T2) and results of linear mixed model analyses.

Intervention group
Control group
Study group*time
T0
T1
T2
T0
T1
T2
T0-T1
intervention vs waitlist
T0-T2
intervention vs waitlist
M (SD) M (SD) M (SD) M (SD) M (SD) M (SD) β p β p
Behavioral problems (YSR) N = 33 N = 27 N = 30 N = 22 N = 19 N = 21
Internalizing (without somatic complaints) 9.39 (5.29) 9.78 (7.72) 9.90 (6.82) 7.50 (6.14) 8.00 (6.46) 8.24 (7.01) −0.34 0.140 −0.24 0.287
Externalizing 8.67 (6.37) 7.15 (6.04) 7.07 (4.47) 6.27 (4.14) 7.21 (5.82) 6.62 (4.85) −0.34 0.129 −0.28 0.195



Behavioral problems (CBCL) N = 29 N = 29 N = 26 N = 23 N = 19 N = 20
Internalizing (without somatic complaints) 7.48 (7.25) 5.93 (5.41) 6.65 (6.24) 7.74 (5.31) 6.53 (5.56) 5.45 (5.40) −0.02 0.928 0.21 0.354
Externalizing 5.17 (5.54) 4.14 (4.16) 5.08 (4.70) 5.96 (3.82) 5.89 (5.95) 4.30 (3.61) −0.05 0.815 0.32 0.140



HRQoL (PedsQL) N = 33 N = 27 N = 30 N = 22 N = 19 N = 21
Physical health 59.85
(22.25)
68.40 (22.22) 65.94 (24.28) 78.27 (18.84) 77.63 (20.92) 80.21 (18.26) 0.34 0.056 0.17 0.309
Emotional functioning 69.09 (18.48) 71.67 (18.55) 71.17 (18.55) 75.91 (19.00) 70.53 (20.06) 70.95 (23.80) 0.35 0.212 0.29 0.272
Social functioning 71.82 (17.63) 76.67 (15.81) 76.17 (17.75) 87.95 (13.42) 82.89 (15.75) 85.00 (16.12) 0.56 0.011 0.41 0.052
School functioning 60.61 (17.22) 63.70 (17.90) 60.50 (17.14) 72.27 (15.41) 65.26 (16.20) 66.90 (17.50) 0.55 0.029 0.31 0.198
Psychosocial functioning 67.17 (13.66) 70.68 (14.53) 69.28 (14.04) 78.71 (12.92) 72.89 (15.12) 74.29 (16.13) 0.60 0.017 0.42 0.081
Total HRQoL 64.62 (15.09) 69.89 (15.55) 68.12 (16.53) 78.56 (13.66) 74.54 (16.09) 76.35 (16.06) 0.52 0.015 0.33 0.107



Disease-related coping skills (OKQ) N = 33 N = 27 N = 30 N = 22 N = 19 N = 21
Information seeking 1.97 (0.60) 2.51 (0.45) 2.45 (0.61) 2.23 (0.61) 2.41 (0.63) 2.34 (0.62) 0.52 0.063 0.61 0.026
Use of relaxation 1.77 (0.71) 2.21 (0.66) 2.06 (0.71) 1.89 (0.70) 1.84 (0.83) 1.95 (0.70) 0.68 0.011 0.30 0.232
Social competence 1.72 (0.62) 2.12 (0.44) 1.94 (0.59) 1.79 (0.61) 1.80 (0.70) 1.92 (0.64) 0.57 0.030 0.13 0.613
Positive thinking 1.73 (0.74) 2.15 (0.68) 2.20 (0.61) 1.70 (0.86) 1.95 (0.75) 1.92 (0.87) 0.21 0.521 0.31 0.325

Note: Significant (p < .05) intervention effects (β) are presented in bold.