Table 2.
Results from mixed effects models for negative expectancies.
| Covariate | Model 1 | Model 2 | Model 3 | Model 4 | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| b | 95% CI | p | b | 95% CI | p | B | 95% CI | p | b | 95% CI | p | |
| Intercept | 3.06 | 2.19, 3.93 | <0.001 | 3.09 | 2.81, 3.36 | <0.001 | 2.08 | 1.74, 2.41 | <0.001 | 2.18 | 1.35, 3.02 | <0.001 |
| Time-fixed covariates | ||||||||||||
| % days intended drinking | ||||||||||||
| with others | −0.07 | −1.03, 0.88 | 0.883 | -- | -- | -- | -- | -- | -- | −0.11 | −1.01, 0.80 | 0.819 |
| % days intended drinking at | -- | |||||||||||
| bar or party | -- | -- | 0.10 | −0.28, 0.48 | 0.610 | -- | -- | -- | 0.07 | −0.30, 0.44 | 0.714 | |
| Average intended number of | ||||||||||||
| drinks | -- | -- | -- | -- | -- | -- | −0.02 | −0.07, 0.03 | 0.381 | 0.00 | −0.06, 0.06 | 0.983 |
| Fraternity/sorority member | 0.25 | 0.03, 0.46 | 0.029 | 0.19 | −0.03, 0.40 | 0.098 | 0.00 | −0.20, 0.20 | 0.981 | −0.07 | −0.29, 0.15 | 0.526 |
| Female sex | 0.01 | −0.2, 0.23 | 0.908 | −0.09 | −0.32, 0.13 | 0.410 | 0.32 | 0.12, 0.52 | 0.002 | 0.23 | 0.00, 0.46 | 0.052 |
| Time-varying covariates | ||||||||||||
| Intended social context | ||||||||||||
| Alone (ref) | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| With others | 0.32 | 0.14, 0.49 | <0.001 | -- | -- | -- | -- | -- | -- | 0.01 | −0.15, 0.17 | 0.914 |
| Don’t know | −0.03 | −0.45, 0.38 | 0.869 | -- | -- | -- | -- | -- | -- | −0.19 | −0.57, 0.19 | 0.328 |
| Intended location | ||||||||||||
| Home (ref) | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- | -- |
| Bar or party | -- | -- | -- | 0.42 | 0.33, 0.51 | <0.001 | -- | -- | -- | 0.26 | 0.17, 0.34 | <0.001 |
| Somewhere else | -- | -- | -- | 0.14 | 0.01, 0.27 | 0.041 | -- | -- | -- | 0.07 | −0.05, 0.19 | 0.247 |
| Intended number of drinks | -- | -- | -- | -- | -- | -- | 0.21 | 0.20, 0.22 | <0.001 | 0.18 | 0.17, 0.20 | <0.001 |
| Weekend | 0.27 | 0.20, 0.34 | <0.001 | 0.24 | 0.17, 0.31 | <0.001 | 0.11 | 0.05, 0.17 | <0.001 | 0.10 | 0.04, 0.16 | 0.002 |
| Study day number | −0.02 | −0.03, −0.01 | <0.001 | −0.02 | −0.03, −0.01 | <0.001 | −0.02 | −0.03, −0.01 | <0.001 | −0.02 | −0.03, −0.01 | <0.001 |
| Measurement burst | −0.09 | −0.12, −0.06 | <0.001 | −0.09 | −0.12, −0.06 | <0.001 | 0.00 | −0.03, 0.02 | 0.799 | −0.03 | −0.06, −0.01 | 0.019 |