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. Author manuscript; available in PMC: 2023 Jul 1.
Published in final edited form as: Palliat Med. 2022 May 30;36(7):1104–1117. doi: 10.1177/02692163221099610

Table 4.

Results from multiply imputed multilevel linear models (N = 40 dyads).

ACT Education/Support
Outcome Fixed Effecta Baseline 2 Weeks Post-intervention 3 Months Post-intervention Baseline 2 Weeks Post-intervention 3 Months Post-intervention
Mean (SD) Mean (SD) Mean (SD) Mean (SD) Mean (SD) Mean (SD) df F p Pr 95% CI Pr
Primary Outcomes:
PT fatigue interference 4.25 (1.86) 3.93 (2.17) 4.27 (1.66) 3.58 (1.92) 3.47 (2.54) 4.26 (2.12)
 Group 38 0.47 0.50 0.11 −0.20 0.42
 Time 76 1.15 0.32 0.12 −0.19 0.44
 Group × time 76 0.52 0.60 0.08 −0.23 0.40
CG burden 15.85 (3.82) 13.92 (3.86) 15.32 (4.59) 18.45 (8.52) 16.37 (7.10) 18.17 (8.36)
 Group 38 2.22 0.14 0.24 −0.07 0.54
 Time 76 2.93 0.05 0.19 −0.11 0.50
 Group × time 76 0.04 0.96 0.02 −0.29 0.34
Secondary Outcomes:
PT sleep interference 58.30 (7.08) 57.37 (4.03) 56.91 (5.22) 53.60 (6.33) 52.99 (8.38) 53.86 (7.41)
 Group 38 6.00 0.01 0.37 0.09 0.64
 Time 76 0.27 0.76 0.06 −0.26 0.38
 Group × time 76 0.29 0.75 0.06 −0.25 0.38
PT physical QoL 14.85 (5.37) 17.30 (6.34) 13.48 (5.40) 15.60 (6.31) 16.89 (6.20) 14.80 (6.33)
 Group 38 0.13 0.72 0.06 −0.26 0.38
 Time 76 3.97 0.02 0.22 −0.08 0.52
 Group × time 76 0.30 0.74 0.06 −0.25 0.38
PT psychological QoL 26.65 (9.40) 28.58 (8.31) 28.66 (8.36) 27.60 (7.29) 29.98 (5.99) 26.09 (8.27)
 Group 38 0.01 0.94 0.01 −0.30 0.33
 Time 76 1.86 0.16 0.15 −0.16 0.46
 Group × time 76 1.44 0.24 0.14 −0.18 0.45
PT existential QoL 26.55 (5.88) 28.18 (5.35) 28.25 (4.57) 26.70 (4.35) 28.15 (5.06) 27.15 (4.83)
 Group 38 0.07 0.79 0.04 −0.27 0.36
 Time 76 1.53 0.22 0.14 −0.17 0.45
 Group × time 76 0.25 0.78 0.06 −0.26 0.37
PT social QoL 23.45 (5.66) 24.59 (5.18) 25.28 (4.30) 25.45 (3.85) 24.80 (5.32) 25.64 (3.51)
 Group 38 0.42 0.52 0.10 −0.21 0.42
 Time 76 1.29 0.28 0.13 −0.18 0.44
 Group × time 76 1.25 0.29 0.13 −0.19 0.44
CG physical QoL 44.68 (6.28) 46.11 (6.02) 45.58 (4.42) 44.33 (4.70) 45.34 (5.24) 44.68 (3.33)
 Group 38 0.25 0.62 0.08 −0.23 0.40
 Time 76 1.16 0.31 0.12 −0.19 0.44
 Group × time 76 0.08 0.92 0.03 −0.28 0.35
CG psychological QoL 41.91 (6.11) 45.01 (5.11) 43.99 (4.50) 41.38 (8.05) 43.48 (7.48) 43.30 (5.90)
 Group 38 0.27 0.61 0.08 −0.23 0.40
 Time 76 5.64 0.00 0.26 −0.03 0.56
 Group × time 76 0.23 0.79 0.06 −0.26 0.37
PT activity engagement 44.66 (7.04) 45.02 (6.60) 45.58 (6.92) 45.43 (6.07) 42.42 (7.26) 46.14 (5.01)
CG activity engagement 43.85 (3.91) 42.56 (4.66) 40.34 (2.62) 43.91 (8.32) 40.40 (7.05) 41.04 (8.11)
 Group 114 0.23 0.63 0.04 −0.27 0.36
 Time 114 1.44 0.24 0.11 −0.20 0.43
 Role 38 7.42 0.01 0.40 0.14 0.67
 Time × role 72 4.45 0.01 0.24 −0.06 0.54
 Group × time 144 1.10 0.33 0.09 −0.23 0.40
 Group × role 38 0.01 0.92 0.02 −0.30 0.33
 Group × time × role 72 0.13 0.88 0.04 −0.27 0.36
PT values progress 21.90 (5.23) 21.71 (3.49) 22.71 (3.26) 21.75 (4.33) 21.30 (5.29) 21.66 (5.09)
CG values progress 22.10 (4.58) 23.05 (5.39) 22.97 (2.62) 19.75 (5.18) 21.14 (4.33) 22.44 (3.05)
 Group 114 3.34 0.07 0.17 −0.14 0.48
 Time 114 1.14 0.32 0.10 −0.22 0.41
 Role 38 0.02 0.90 0.02 −0.30 0.34
 Time × role 72 1.51 0.22 0.14 −0.17 0.45
 Group × time 144 0.06 0.94 0.02 −0.30 0.34
 Group × role 38 0.41 0.52 0.10 −0.21 0.42
 Group × time × role 72 1.04 0.35 0.12 −0.19 0.43
PT psychological inflexibility 15.35 (7.56) 13.82 (4.98) 13.85 (6.04) 15.90 (7.77) 14.52 (6.45) 15.97 (5.61)
CG psychological inflexibility 19.45 (7.66) 17.77 (6.45) 17.58 (6.21) 20.90 (9.89) 17.45 (8.22) 17.79 (6.41)
 Group 114 0.69 0.41 0.08 −0.24 0.39
 Time 114 1.73 0.18 0.12 −0.19 0.44
 Role 38 7.12 0.01 0.40 0.13 0.66
 Time × role 72 0.90 0.41 0.11 −0.20 0.43
 Group × time 144 0.10 0.91 0.03 −0.29 0.34
 Group × role 38 0.06 0.80 0.04 −0.28 0.36
 Group × time × role 72 0.61 0.54 0.09 −0.22 0.41

ACT = Acceptance and Commitment Therapy; Pr = partial correlation; PT = Patient; CG = Caregiver; QoL = quality of life.

a

Means and SDs are pooled across multiply imputed data.