Table 1.
The effect of social familiarity and alcohol consumption on positive and negative mood, controlling for time of day, day of the week, gender, age, typical drinking patterns, and physical location
| Number of Strangers | ||||||
|---|---|---|---|---|---|---|
|
| ||||||
| Negative Mood | Positive Mood | |||||
|
|
||||||
| b | SE | p value | b | SE | p value | |
| Strangers | 0.017 | 0.003 | <.001 | −0.009 | 0.005 | 0.049 |
| AlcoholEpsde | −0.070 | 0.037 | 0.058 | 0.191 | 0.087 | 0.029 |
| Strangers*AlcoholEpsde | −0.016 | 0.004 | <.001 | 0.008 | 0.010 | 0.431 |
| Evening | 0.019 | 0.035 | 0.581 | 0.166 | 0.084 | 0.049 |
| Weekend | −0.044 | 0.032 | 0.166 | 0.201 | 0.101 | 0.047 |
| Age | 0.003 | 0.015 | 0.859 | −0.037 | 0.042 | 0.383 |
| Drinking patterns | 0.003 | 0.005 | 0.602 | 0.014 | 0.018 | 0.434 |
| Gender | 0.115 | 0.064 | 0.079 | −0.188 | 0.198 | 0.347 |
| Location (Priv Home Ref) | ||||||
| Outdoors | 0.005 | 0.049 | 0.921 | 0.160 | 0.160 | 0.320 |
| Bar/Club/Restaurant | −0.055 | 0.033 | 0.102 | 0.230 | 0.106 | 0.032 |
| Work/School | 0.214 | 0.070 | 0.003 | −0.538 | 0.128 | <.001 |
| Other | −0.007 | 0.060 | 0.903 | 0.113 | 0.126 | 0.375 |
| Time Spent | ||||||
|---|---|---|---|---|---|---|
|
| ||||||
| Negative Mood | Positive Mood | |||||
|
|
||||||
| b | SE | p value | b | SE | p value | |
| HoursSpent | −0.017 | 0.006 | 0.008 | 0.025 | 0.019 | 0.183 |
| AlcoholEpsde | −0.230 | 0.056 | <.001 | 0.505 | 0.165 | 0.002 |
| HoursSpent* AlcoholEpsde | 0.026 | 0.012 | 0.023 | −0.063 | 0.024 | 0.008 |
| Evening | 0.017 | 0.041 | 0.679 | 0.160 | 0.086 | 0.064 |
| Weekend | −0.033 | 0.032 | 0.306 | 0.184 | 0.096 | 0.056 |
| Age | 0.006 | 0.017 | 0.737 | −0.040 | 0.040 | 0.320 |
| Drinking patterns | 0.004 | 0.005 | 0.495 | 0.013 | 0.018 | 0.464 |
| Gender | 0.126 | 0.067 | 0.065 | −0.203 | 0.196 | 0.306 |
| Location (Priv Home Ref) | ||||||
| Outdoors | 0.025 | 0.057 | 0.656 | 0.167 | 0.128 | 0.195 |
| Bar/Club/Restaurant | −0.038 | 0.035 | 0.285 | 0.215 | 0.106 | 0.045 |
| Work/School | 0.192 | 0.075 | 0.012 | −0.497 | 0.130 | <0.001 |
| Other | −0.033 | 0.064 | 0.610 | 0.162 | 0.135 | 0.232 |
Strangers=Number of strangers present in social context; HoursSpent=Average number of hours spent with individuals in social context; AlcoholEpsde=Coded 1 if eBrAC is greater than or equal to .01% and 0 if eBrAC is less than .01%; Evening=Coded 1 if 5pm-midnight and 0 if midday to 5pm; Weekend=Coded 1 if Friday-Sunday and 0 if Monday-Thursday; Drinking Patterns=The number of days/30 the participant reported drinking at baseline; Location was coded such that the reference group was house/private residence.