|
Measures of alcohol consumption in means (SD)
|
Control
|
PartyPlanner (n = 153)
|
PartyPlanner compared to Controlalinear mixed models
|
Promillekoll (n = 341)
|
Promillekoll compared to Controlalinear mixed models
|
|---|
|
Baseline (n = 489)
|
Follow-up (n = 489)
|
Baseline
|
Follow-up
|
Time x Group p-value
|
Baseline
|
Follow-up
|
Time x Group p-value
|
|---|
|
Quantity (standard glasses/week)
|
9.146 (6.178)
|
8.619 (6.281)
|
8.570 (6.122)
|
8.317 (6.449)
|
0.816
|
9.617 (6.263)
|
9.746 (7.053)
|
0.411
|
|
Frequency (drinking occasions/week)
|
2.288 (1.191)
|
2.152 (1.192)
|
2.165 (1.122)
|
2.171 (1.232)
|
0.225
|
2.242 (1.196)
|
2.362 (1.234)
|
< 0.001
|
|
Binge occasions (no per week)
|
0.971 (0.852)
|
0.897 (0.838)
|
0.880 (0.760)
|
0.791 (0.822)
|
0.507
|
1.082 (0.875)
|
1.018 (0.837)
|
0.629
|
|
eBACb/week
|
0.017 (0.015)
|
0.016 (0.015)
|
0.016 (0.013)
|
0.015 (0.016)
|
0.914
|
0.017 (0.014)
|
0.017 (0.018)
|
0.750
|
|
Peak eBACc/month
|
0.128 (0.082)
|
0.118 (0.080)
|
0.126 (0.087)
|
0.122 (0.096)
|
0.649
|
0.108 (0.087)
|
0.119 (0.084)
|
0.776
|
- aAnalyses comparing the two intervention groups to controls included only individuals who reported actually using the assigned app. Analyses were controlled for the number of times participants reported using the app, previous use of the publicly available Promillekoll app, and self-reports on having spoken to someone in the past 12 months about their alcohol use.
- bEstimated average percentage BAC for the week.
- cEstimated average peak percentage BAC during the past month.
