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. Author manuscript; available in PMC: 2010 Jan 1.
Published in final edited form as: Behav Res Ther. 2009 Mar 24;47(7):548–558. doi: 10.1016/j.brat.2009.03.006

Table 4.

Parameter estimates for growth curve models.

Random effects Fixed-effects estimates


Effect SE Group Time Group × time



B SE B SE B SE
Outcomes
Depression 4.24 2.57 1.39* 0.61 −1.81* 0.88
τ00 97.64** 21.61
τ11 4.80* 2.71
τ01 −8.53 6.03
Physical symptoms 0.22 1.92 −0.09 0.32 0.25 0.47
τ00 61.55** 11.91
τ11 0.65 0.81
τ01 −4.55 2.37
Satisfaction with life −1.80 1.82 0.35 0.37 −0.64 0.53
τ00 52.58** 10.72
τ11 1.40 1.46
τ01 −2.39 2.46
Problem-solving
Constructive −7.78* 3.37 −1.38 0.71 2.10* 1.03
τ00 168.75** 37.06
τ11 2.92 3.98
τ01 3.99 8.73
Dysfunctional 7.64 4.36 −0.06 0.71 −0.52 1.03
τ00 338.51** 61.57
τ11 7.54* 3.63
τ01 −16.48 11.07

τ00, variance of intercepts; τ11, variance of slopes; τ01, covariance of intercepts and slopes.