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Table 1 Descriptives statistics for the aggregated data as a function of pre−/post-media coverage

From: The impact of celebrity influence and national media coverage on users of an alcohol reduction app: a natural experiment

Weekly aggregated variables

Whole time period (89 weeks), mean (SD)

Pre-media coverage (66 weeks), mean (SD)

Post-media coverage (23 weeks), mean (SD)

Mean age

42.4 (2.39)

41.4 (1.50)

45.6 (1.57)

Percentage female

55.0 (6.55)

56.5 (6.00)

50.7 (6.26)

Percentage non-manual employment

70.8 (4.28)

70.5 (4.27)

71.9 (4.20)

Mean AUDIT score

17.0 (1.22)

17.5 (0.96)

15.6 (0.66)

Percentage at-risk drinkers

92.4 (3.34)

93.4 (2.81)

89.4 (2.93)

Mean number of days used

9.8 (1.07)

9.5 (0.98)

10.5 (0.96)

Mean number of sessions

16.5 (1.91)

16.3 (1.95)

17.3 (1.60)

Percentage screens viewed

31.5 (1.56)

32.0 (1.39)

30.1 (1.06)

Mean time on app in minutes

41.8 (6.16)

42.2 (6.70)

40.6 (4.09)

Percentage follow-up response rate

12.6 (3.08)

12.6 (3.25)

12.7 (2.63)

Mean reduction in weekly alcohol consumptiona

1.7 (0.87)

1.8 (0.97)

1.7 (0.45)

  1. aintention to treat approach with non-responders assumed to be drinking at baseline levels