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. Author manuscript; available in PMC: 2013 Feb 1.
Published in final edited form as: Pain. 2011 Nov 30;153(2):319–330. doi: 10.1016/j.pain.2011.10.025

Table 9.

Growth model parameter estimates for interference items.

Parameter Social life Sex life Sleep



Est. SE p Est. SE p Est. SE p
Control baseline (β0) 3.50 0.09 .00 3.28 0.13 0.00 3.91 0.09 .00
Control growth (β1) −0.12 0.05 .01 −0.04 0.06 0.50 −0.03 0.05 .47
Baseline difference (β2) 0.09 0.13 .46 −0.05 0.18 0.76 0.04 0.13 .78
Growth difference (β3) −0.19 0.08 .01 −0.14 0.10 0.18 −0.22 0.08 .01
Wave 3 effect size 0.24 0.19 0.32
Recreational activities Household chores Job



Est. SE p Est. SE p Est. SE p

Control baseline (β0) 3.53 0.10 .00 3.56 0.10 .00 3.17 0.14 .00
Control growth (β1) −0.07 0.06 .27 −0.10 0.06 .10 −0.05 0.09 .59
Baseline difference (β2) 0.07 0.14 .59 0.17 0.14 .22 0.33 0.19 .09
Growth difference (β3) −0.20 0.10 .04 −0.27 0.10 .01 −0.23 0.12 .05
Wave 3 effect size 0.24 0.29 0.07
Self-care Parenting Physical activities



Est SE p Est. SE p Est. SE p

Control baseline (β0) 1.54 0.12 .00 0.91 0.12 .00 2.71 0.13 .00
Control growth (β1) 0.04 0.06 .55 −0.05 0.05 .38 −0.08 0.06 .22
Baseline difference (β2) −0.04 0.17 .81 0.47 0.18 .01 −0.01 0.18 .96
Growth difference (β3) -0.12 0.10 .20 −0.10 0.08 .23 −0.12 0.10 .23
Wave 3 effect size 0.18 0.17 0.15
Exercise

Est. SE p

Control baseline (β0) 3.56 0.11 .00
Control growth (β1) −0.12 0.06 .03
Baseline difference (β2) 0.01 0.15 .96
Growth difference (β3) −0.15 0.09 .12
Wave 3 effect size 0.20