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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.