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. 2020 Aug 2;17(15):5576. doi: 10.3390/ijerph17155576

Table 2.

Estimates and significance values for fixed-effects in the joint model of subjective scales.

Predictors Estimates CI p
Intercept −2.92 −3.94–−1.89 <0.001
Time (linear) −41.60 −68.88–−14.33 0.003
Time (quadratic) −45.20 −68.66–−21.74 <0.001
Measure (C1) −0.98 −1.53–−0.43 <0.001
Measure (C2) −0.93 −1.25–−0.62 <0.001
Task −0.13 −0.19–−0.07 <0.001
Time (linear)*Measure (C1) −53.54 −84.59–−22.49 0.001
Time (quadratic)*Measure (C1) −40.45 −67.45–−13.46 0.003
Time (linear)*Measure (C2) 2.14 −15.78–20.06 0.815
Time (quadratic)*Measure (C2) 27.33 11.75–42.90 0.001
Time (linear)*Task 6.28 3.48–9.09 <0.001
Time (quadratic)*Task −2.30 −5.08–0.47 0.104
Measure (C1)*Task −0.04 −0.11–0.03 0.316
Measure (C2)*Task 0.11 0.07–0.15 <0.001
Random Effects
σ2 0.47
τ00participant 0.48
ICC 0.51

Note: σ2: residual variance, τ00participant: individual variability, ICCparticipant: intraclass correlation coefficient. C1 stands for the contrast between arousal and valence, C2 for the contrast between arousal + valence and RPE. Significant p-values are marked in bold.