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Table 3 Self-reported data on prior use of Promillekoll, speaking to someone about use, and app usability

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

Measurement occasion Questions PartyPlanner (n = 155-7) Promillekoll (n = 342) Control group (n = 489) Significance level (p-value)
Baseline Had you tried the Promillekoll app before agreeing to participate in this study? % of yes responses (n) 34.8 (54) 34.5 (118) 33.7 (165) 0.080
Follow-up Have you spoken to someone regarding your alcohol consumption during the last 12 months? % of yes responses (n) 25.3 (39) 27.2 (93) 20.7 (101) 0.957
Follow-up How did you experience using the app? Mean scoresa (SD) 1 = Very difficult 5 = Very easy 3.2 (1.1) 4.0 (1.1) N/A < 0.001
Follow-up In your opinion, how suitable is an app of this kind for helping people with risky alcohol consumption? Mean scoresa (SD) 1 = Not at all 5 = Very suitable 3.6 (1.2) 3.4 (1.2) N/A 0.171
Follow-up Would you recommend using an app of this kind to a friend who wanted to keep track of his or her alcohol consumption? Mean scoresa (SD) 1 = Never 5 = Definitely 3.6 (1.2) 3.7 (1.3) N/A 0.663
  1. aScores are given as discrete values on the scale of 1–5. The highest and lowest scores are defined in each cell under the question.