Skip to main content
. Author manuscript; available in PMC: 2018 Feb 1.
Published in final edited form as: J Cancer Surviv. 2016 Jul 12;11(1):32–40. doi: 10.1007/s11764-016-0559-y

Table 3.

Model coefficients for longitudinal analysis

5 years of follow-up
7 years of follow-up
Model 1: 6 months thru 5 years
Model 2: 1 year thru 5 years
Model 3: 6 months thru 7 years
Model 4: 1 year thru 7 years
Model term Coefficient (95 % CI) P value Coefficient (95 % CI) P value Coefficient (95 % CI) P value Coefficient (95 % CI) P value
Intercept 52.59 (35.90 to 69.28) <.0001 59.04 (41.42 to 76.65) <.0001 55.61 (39.32 to 71.89) <.0001 60.89 (43.70 to 78.08) <.0001
Treatment (main effect) −16.58 (−23.69 to −9.47) <.0001 3.59 (−1.05 to 8.24) .13 −13.51 (−19.65 to −7.37) <.0001 3.28 (−1.24 to 7.81) .16
Time (main effect) 3.60 (−0.23 to 7.94) .07 0.66 (−0.12 to 1.44) .10 2.00 (−0.43 to 4.43) .11 0.53 (0.04 to 1.01) .03
Treatment by time (linear interaction) 13.25 (7.43 to 19.06) <.0001 9.22 (5.74 to 12.69) <.0001
Time by Time (quadratic term) −0.54 (−1.29 to 0.21) .16 −0.15 (−0.49 to 0.18) .37
Treatment by time × time (quadratic interaction) −1.84 (−2.91 to −0.78) .0007 −1.05 (−1.53 to −0.57) <.0001
Baseline energy/vitality 0.23 (0.10 to 0.35) .0004 0.22 (0.09 to 0.36) .002 .22 (0.10 to 0.34) .0006 0.21 (0.08 to 0.34) .002
Baseline PS 1.07 (−7.83 to 9.97) .81 0.58 (−9.19 to 10.36) .91 1.55 (−7.25 to 10.34) .73 0.92 (−8.67 to 10.51) .85
Baseline CARESPHYS −4.13 (−10.48 to 2.22) .20 −5.32 (−12.43 to 1.80) .14 −3.73 (−9.97 to 2.52) .24 −4.73 (−11.65 to 2.20) .18
Baseline SDS −0.70 (−1.29 to −0.12) .02 −0.79 (−1.42 to −0.15) .02 −0.77 (−1.35 to −0.20) .009 −0.84 (−1.47 to −0.22) .009

PS performance status, CARESPHYS Cancer Rehabilitation Evaluation System-Short Form Physical score, SDS symptom distress scale