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Table 1 Baseline characteristics of students with risky alcohol use in a randomized brief intervention app trial

From: Mobile phone brief intervention applications for risky alcohol use among university students: a randomized controlled study

Characteristic Total (N = 1929) PartyPlanner (n = 639) Promillekoll (n = 643) Control (n = 647) p-valuesa
Gender: M (%)/F (%) 931 (48.3)/998 (51.7) 296 (46.3)/343 (53.7) 334 (51.9)/309 (48.1) 301(46.5)/346 (53.5) 0.073
Age: mean (SD) 24.720 (4.809) 24.820 (4.631) 24.640 (4.991) 24.700 (4.804) 0.805
Measures of alcohol consumption: means (SD)      
AUDIT score (scale 0–40) 10.657 (3.896) 10.676 (3.944) 10.647 (3.718) 10.649 (4.026) 0.989
Quantity (standard glasses/week) 9.260 (6.282) 9.299 (6.439) 9.335 (6.236) 9.146 (6.178) 0.848
Frequency (drinking occasions/week) 2.270 (1.177) 2.337 (1.164) 2.185 (1.171) 2.288 (1.191) 0.063
Binge occasions (no. per week) 0.997 (0.855) 0.975 (0.851) 1.045 (0.861) 0.971 (0.852) 0.215
Average eBACb per week 0.017 (0.015) 0.018 (0.016) 0.017 (0.015) 0.017 (0.015) 0.386
Peak eBACc within past month 0.126 (0.803) 0.130 (0.825) 0.121 (0.077) 0.128 (0.081) 0.103
Percent (%) over weekly recommended level 29.7 31.1 30.8 27.2 0.230
  1. aP-values are based on ANOVA for age, AUDIT, quantity, frequency, binge occasions, average eBAC, and peak eBAC; Pearson’s chi-square was used for gender and % over the weekly recommended level.
  2. bEstimated average percentage BAC per week.
  3. cEstimated average peak percentage BAC during the past month.