Table 2 Multilevel estimates for models predicting rumination (food, weight), affect, and tension
Parameter | Food | Weight | Affect | Tension | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Beta | SE | p | Beta | SE | p | Beta | SE | p | Beta | SE | p | |
Fixed effects | ||||||||||||
Intercept | 44.15 | 2.45 | <0.001 | 38.01 | 2.61 | <0.001 | 117.36 | 4.13 | <0.001 | 122.98 | 4.74 | <0.001 |
Group | 13.69 | 2.45 | <0.001 | 21.08 | 2.61 | <0.001 | −31.62 | 4.13 | <0.001 | −18.65 | 4.74 | <0.001 |
Day | 0.14 | 0.16 | n.s. | 0.31 | 0.17 | n.s. | 0.1 | 0.3 | n.s. | 0.34 | 0.28 | n.s. |
Day × Group | 0.21 | 0.16 | n.s. | 0.33 | 0.17 | n.s. | −0.56 | 0.3 | n.s. | −0.62 | 0.28 | 0.033 |
Time | 0.58 | 0.23 | 0.015 | 0.13 | 0.2 | n.s. | 0.51 | 0.42 | n.s. | 0.21 | 0.41 | n.s. |
Time × Group | −0.58 | 0.23 | 0.016 | −0.35 | 0.2 | n.s. | 0.00 | 0.42 | n.s. | 0.07 | 0.41 | n.s. |
Neural regulation | 21.95 | 10.40 | 0.039 | 22.99 | 9.77 | 0.022 | −5.06 | 14.34 | n.s | 8.38 | 15.45 | n.s. |
Neural regulation × group | 15.62 | 10.40 | n.s. | 23.07 | 9.77 | 0.021 | −46.64 | 14.34 | 0.002 | −38.29 | 15.46 | 0.016 |
Random effects | ||||||||||||
σ² = residual variance at Level 1 | 435.68 | 287.42 | 943.51 | 960.44 | ||||||||
τ² intercept = residual variance at level 2 | 16.49 | 31.69 | 258.25 | 206.55 | ||||||||
μ² intercept = residual variance at level 3 | 367.68 | 436.95 | 1014.9 | 1376.49 | ||||||||
Model comparison | ||||||||||||
−2×log (lh) | 42,053.48*** | 40,404.43*** | 46,260.65*** | 46,257.97*** | ||||||||
Diff−2×log (lh) | 155.51 | 237.51 | 187.64 | 128.56 | ||||||||
Number of parameters | 18 | 18 | 18 | 18 | ||||||||