Table 3.
Multilevel linear regression for men's alcohol intake per occasion (logarithmic transformation)
Final main effects and interactions model |
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Variable | Null model param. | Indiv.-level model param. | Indiv.-level control model param. | Full main effects model param. | Main effects param. | Interaction x Parental Roleparam. |
Constant | 1.054*** | 0.952*** | 1.812*** | 0.916*** | 0.860*** | |
Level 1 | ||||||
Circumstance | ||||||
Party | 0.495*** | 0.404*** | 0.110 | |||
A get-together | 0.316*** | 0.475*** | −0.233* | |||
Daily-life circumstances | Ref. | Ref. | Ref. | |||
Other circumstances | 0.320*** | 0.354** | −0.051 | |||
Meal | ||||||
During a meal | Ref. | Ref. | ||||
Not during a meal | −0.078 | −0.080 | ||||
Moment | ||||||
Weekend | 0.185*** | 0.179*** | ||||
Weekdays | Ref. | Ref. | ||||
Location | ||||||
Your home | 0.207** | 0.206** | ||||
Someone else's home | 0.056 | 0.060 | ||||
Restaurant | Ref. | Ref. | ||||
Bar/disco/nightclub | 0.278*** | 0.275*** | ||||
Group size | ||||||
Alone | −0.174* | −0.177* | ||||
Dyad | Ref. | Ref. | ||||
3–5 people | 0.068 | 0.069 | ||||
6–10 people | 0.190* | 0.186* | ||||
>10 people | 0.353*** | 0.344*** | ||||
Marital role | ||||||
Not married | 0.030 | 0.035 | 0.042 | |||
Married | Ref. | Ref. | Ref. | |||
Level 2 | ||||||
Age | −0.016*** | −0.009** | −0.009** | |||
Education level | −0.065*** | −0.053** | −0.052** | |||
Parental role | ||||||
Nonparent | 0.150* | 0.075 | 0.056 | 0.129 | ||
Parent | Ref. | Ref. | Ref. | Ref. | ||
Random part | ||||||
σ2ε, Level 1 | 0.247 | 0.387 | 0.248 | 0.192 | 0.190 | |
σ2μ, Level 2 | 0.391 | 0.247 | 0.332 | 0.309 | 0.305 | |
Statistics | ||||||
-2-log likelihood | 1,933.295 | 1,929.403 | 1,886.806 | 1,704.353 | 1,694.545 | |
χ2 | 3.892 | 46.489 | 228.942 | 238.750 | ||
df | 1 | 4 | 16 | 19 | ||
P | <.05 | <.0001 | <.0001 | <.0001 | ||
R2 of Level 1 variables | 1% | 9% | 21% | 22% | ||
R2 of Level 2 variables | 1% | 12% | 21% | 22% |
Notes: Indiv. = individual; param. = parameter; ref. = reference.
p ≤ .05;
p ≤ .01;
p ≤ .001.