Table 3.
Baseline and 7, 14, and 20 week follow-ups for participants with hazardous but non-excessive drinking levels, defined as participants with a baseline AUDIT score of ≥6 W/≥8 M, and baseline weekly drinking levels below the definition of excessive drinking (>9 W/>14 M drinks per week).
Measures of Alcohol Consumption in Means (SD) N = 2166 a |
Control | PartyPlanner | PartyPlanner Compared to Control Linear Mixed Models | Promillekoll | Promillekoll Compared to Control Linear Mixed Models | |||
---|---|---|---|---|---|---|---|---|
Baseline | Follow-up | Baseline | Follow-up | Time*Group p-Value |
Baseline | Follow-up | Time*Group p-Value |
|
7 week follow-up for hazardous drinkers, n = 1157 | (n = 450) | (n = 450) | (n = 335) | (n = 335) | (n = 372) | (n = 372) | ||
Quantity (standard glasses/week) | 7.540 (4.454) | 5.790 (3.228) | 7.081 (4.082) | 5.380 (3.137 | 0.860 | 7.161 (4.184) | 5.489 (2.961) | 0.686 |
Frequency (drinking occasions/week) | 2.227 (1.115) | 2.013 (1.141) | 2.002 (1.035) | 1.827 (1.103) | 0.064 | 2.093 (1.157) | 1.937 (1.081) | 0.085 |
Binge occasions (no. per week) |
0.782 (0.755) | 0.487 (0.562) | 0.804 (0.707) | 0.524 (0.595) | 0.062 | 0.765 (0.718) | 0.452 (0.562) | 0.040 * |
eBAC b/week | 0.014 (0.012) | 0.011 (0.009) | 0.014 (0.012) | 0.010 (0.008) | 0.001 *** | 0.014 (0.010) | 0.010 (0.008) | 0.001 *** |
Peak eBAC c/month | Model did not converge | |||||||
Risk for excessive weekly drinking | Model did not converge | |||||||
14 week follow-up for hazardous drinkers, n = 984 | (n = 401) | (n = 266) | (n = 317) | |||||
Quantity (standard glasses/week) | 6.672 (6.317) | 5.950 (4.024) | 0.128 | 6.014 (4.830) | 0.072 | |||
Frequency (drinking occasions/week) | 2.007 (1.320) | 1.872 (1.142) | 0.100 | 2.012 (1.324) | 0.107 | |||
Binge occasions (no. per week) |
0.630 (0.793) | 0.599 (0.661) | 0.046 * | 0.543 (0.712) | 0.022 * | |||
eBAC b/week | 0.013 (0.015) | 0.012 (0.012) | 0.001 *** | 0.011 (0.012) | 0.001 *** | |||
20 week follow-up for hazardous drinkers, n = 975 | (n = 400) | (n = 262) | (n = 313) | |||||
Quantity (standard glasses/week) | 6.320 (4.306) | 5.764 (3.992) | 0.088 | 5.868 (3.885) | 0.112 | |||
Frequency (drinking occasions/week) | 1.922 (1.155) | 1.805 (1.088) | 0.093 | 1.847 (1.088) | 0.093 | |||
Binge occasions (no. per week) |
0.599 (0.762) | 0.611 (0.676) | 0.061 | 0.541 (0.674) | 0.043 * | |||
eBAC b/week | 0.012 (0.012) | 0.011 (0.011) | 0.001 *** | 0.010 (0.010) | 0.001 *** |
a: Total number of participants in Study 2, with n shown for participants with hazardous but non-excessive drinking for each measurement occasion; b: Estimated average percentage BAC for the week; c: Estimated average peak percentage BAC during the past month.; * p ≤ 0.05; *** p ≤ 0.001.