Table 3.
Estimated fixed effects of linear mixed models with predictors of BMI.
| B | SE | t | P | 95% Confidence Interval | ||
|---|---|---|---|---|---|---|
| Lower | Upper | |||||
| LOC eating | ||||||
| Intercept | 32.95 | 3.10 | 10.62 | <.001 | 26.79 | 39.10 |
| Group | −2.03 | 1.68 | −1.21 | .23 | −5.37 | 1.30 |
| Time | <−0.01 | 0.01 | −0.53 | .60 | −0.02 | 0.01 |
| Time2 | <0.01 | <0.01 | 0.96 | .34 | <−0.01 | <0.01 |
| Pre-treatment LOC eating | 1.18 | 1.03 | 1.14 | .26 | −0.87 | 3.23 |
| Time X Pre-treatment LOC eating | <0.01 | <0.01 | 1.62 | .11 | <−0.01 | 0.01 |
| Time2 X Pre-treatment LOC eating | <−0.01 | <0.01 | −1.63 | .11 | <−0.01 | <0.01 |
| OE | ||||||
| Intercept | 30.26 | 2.96 | 10.22 | <.001 | 24.85 | 36.37 |
| Group | −1.72 | 1.65 | −1.04 | .30 | −5.13 | 1.31 |
| Time | −0.01 | 0.01 | −0.96 | .34 | −0.02 | 0.01 |
| Time2 | <0.01 | <0.01 | 1.30 | .20 | <−0.01 | <0.01 |
| Pre-treatment OE | 2.42 | 1.11 | 2.19 | .031 | 0.18 | 4.50 |
| Time X Pre-treatment OE | 0.01 | <0.01 | 2.07 | .040 | <0.01 | 0.01 |
| Time2 X Pre-treatment OE | <−0.01 | <0.01 | −1.99 | .048 | <−0.01 | <−0.01 |
| 95% Confidence Interval | ||||||
| Hunger | B | SE | T | P | Lower | Upper |
| Intercept | 32.41 | 3.23 | 10.06 | <.001 | 26.02 | 38.79 |
| Group | −2.55 | 1.67 | −1.53 | .13 | −5.85 | 0.76 |
| Time | 0.01 | 0.01 | 0.71 | .48 | −0.01 | 0.02 |
| Time2 | <−0.01 | <0.01 | −0.30 | .76 | <−0.01 | <0.01 |
| Pre-treatment hunger | 1.99 | 1.56 | 1.28 | .21 | −1.10 | 5.08 |
| Time X Pre-treatment hunger | <0.01 | <0.01 | 0.16 | .87 | −0.01 | 0.01 |
| Time2 X Pre-treatment hunger | <−0.01 | <0.01 | −0.22 | .83 | <−0.01 | <0.01 |
| Craving | ||||||
| Intercept | 31.77 | 2.79 | 11.38 | <.001 | 26.23 | 37.30 |
| Group | −2.32 | 1.64 | −1.41 | .16 | −5.58 | 0.94 |
| Time | <−0.01 | 0.01 | −0.60 | .55 | −0.02 | 0.01 |
| Time2 | <0.01 | <0.01 | 0.97 | .33 | <−0.01 | <0.01 |
| Pre-treatment craving | 1.89 | 1.07 | 1.76 | .08 | −0.24 | 4.01 |
| Time X Pre-treatment craving | <0.01 | <0.01 | 1.75 | .08 | <−0.01 | 0.01 |
| Time2 X Pre-treatment craving | <−0.01 | <0.01 | −1.69 | .09 | <−0.01 | <0.01 |
| NA | B | SE | T | P | 95% Confidence Interval | |
| Lower | Upper | |||||
| Intercept | 37.24 | 2.68 | 12.56 | <.001 | 27.20 | 37.81 |
| Group | −2.25 | 1.65 | −1.49 | .18 | −5.52 | 1.03 |
| Time | <−0.01 | 0.01 | −0.45 | .66 | −0.02 | 0.01 |
| Time2 | <0.01 | <0.01 | 0.70 | .49 | <−0.01 | <0.01 |
| Pre-treatment NA | 2.33 | 1.51 | 1.48 | .13 | −0.66 | 5.33 |
| Time X Pre-treatment NA | 0.01 | <0.01 | 1.56 | .13 | <−0.01 | 0.01 |
| Time2 X Pre-treatment NA | <−0.01 | <0.01 | −1.37 | .18 | <−0.01 | <0.01 |
| PA | ||||||
| Intercept | 37.25 | 3.03 | 12.29 | <.001 | 31.24 | 43.26 |
| Group | −2.21 | 1.70 | −1.31 | .20 | −5.57 | 1.15 |
| Time | 0.02 | 0.01 | 3.14 | .002 | 0.01 | 0.04 |
| Time2 | <−0.01 | <0.01 | −2.36 | .02 | <−0.01 | <−0.01 |
| Pre-treatment PA | −0.47 | 1.27 | −0.38 | .71 | −2.98 | 2.04 |
| Time X Pre-treatment PA | −0.01 | <0.01 | −2.28 | .023 | −0.01 | <0.01 |
| Time2 X Pre-treatment PA | <0.01 | <0.01 | 1.87 | .06 | <−0.01 | <0.01 |
Note. Group was coded such that CBT-gsh was the reference category. NA=negative affect; PA=positive affect; LOC=loss of control; OE=overeating; time indicates days since beginning treatment.