Table 3.

Moderators of the effects of aerobic exercise on global sleep quality in patients with lymphoma, Edmonton, Canada, 2005–2008

Baseline, mean (SD)Post-test, mean (SD)Adjusted mean change,a mean (95% CI)Adjusted group difference in mean change,a mean (95% CI); PCohen d
Type of lymphoma (Pinteraction = 0.006)
NHL aggressive
 UC (n = 25)4.12 (3.18)3.92 (3.07)−0.47 (−1.44 to +0.50)
 AET (n = 24)6.63 (4.09)6.17 (3.36)+0.28 (−0.71 to +1.27)+0.75 (+2.10 to −0.61); P = 0.276+0.20
NHL indolent
 UC (n = 24)4.33 (2.70)4.96 (3.56)+0.18 (−0.77 to +1.12)
 AET (n = 23)5.96 (2.98)3.57 (2.57)−2.17 (−3.17 to −1.18)−2.35 (−3.72 to −0.98); P = 0.001−0.80
Hodgkin lymphoma
 UC (n = 11)3.82 (3.66)2.91 (2.21)−1.26 (−2.75 to +0.23)
 AET (n = 10)3.70 (2.94)2.50 (1.43)−1.34 (−2.91 to +0.24)−0.08 (−2.08 to +1.92); P = 0.939−0.02
Current treatment status (Pinteraction = 0.036)
Off-treatment
 UC (n = 34)4.38 (3.45)3.59 (2.76)−1.28 (−2.14 to −0.42)
 AET (n = 30)5.60 (3.38)4.50 (3.21)−1.07 (−1.97 to −0.17)+0.21 (−0.99 to +1.42); P = 0.727+0.06
Receiving chemotherapy
 UC (n = 26)3.85 (2.44)4.88 (3.59)+0.83 (−0.16 to +1.81)
 AET (n = 27)6.11 (3.85)4.44 (3.11)−0.89 (−1.86 to +0.09)−1.71 (−3.06 to −0.37); P = 0.013−0.50
Time since diagnosis (Pinteraction = 0.010)
<2 y
 UC (n = 34)3.74 (2.56)4.29 (3.53)−0.29 (−1.14 to +0.56)
 AET (n = 32)6.13 (3.43)3.97 (2.85)−2.07 (−3.02 to −1.12)−1.78 (−0.56 to −3.00); P = 0.005−0.55
≥2 y
 UC (n = 26)4.69 (3.55)3.96 (2.73)−0.35 (−1.33 to +0.64)
 AET (n = 25)5.48 (3.81)5.12 (3.42)+0.29 (−0.77 to +1.35)+0.64 (−0.69 to +1.96); P = 0.344+0.17
BMI (Pinteraction = 0.075)
Nonobese
 UC (n = 45)3.80 (2.91)3.89 (3.17)−0.43 (−1.16 to +0.29)
 AET (n = 40)5.33 (3.26)4.58 (3.36)−0.59 (−1.34 to +0.16)−0.16 (−1.21 to +0.90); P = 0.769−0.05
Obese
 UC (n = 15)5.20 (3.28)4.93 (3.22)−0.05 (−1.29 to +1.19)
 AET (n = 17)7.06 (4.10)4.24 (2.61)−2.00 (−3.19 to −0.82)−1.96 (−3.67 to −0.25); P = 0.025−0.52
Baseline global sleep quality (Pinteraction = 0.041)
Good sleepers
 UC (n = 38)2.21 (1.21)2.61 (2.22)+0.39 (−0.44 to +1.22)
 AET (n = 24)2.67 (1.20)2.96 (2.01)+0.46 (−0.59 to +1.51)+0.07 (−1.26 to +1.40); P = 0.920+0.06
Poor sleepers
 UC (n = 22)7.50 (2.20)6.82 (2.84)−0.72 (−1.81 to +0.38)
 AET (n = 33)8.15 (2.90)5.58 (3.36)−2.67 (−3.57 to −1.76)−1.95 (−0.54 to −3.36); P = 0.007−0.74
  • aAdjusted for baseline value of the outcome, major lymphoma type, disease stage, current treatment status, age, sex, and baseline exercise.