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. Author manuscript; available in PMC: 2014 Nov 1.
Published in final edited form as: Am J Prev Med. 2013 Nov;45(5):10.1016/j.amepre.2013.06.014. doi: 10.1016/j.amepre.2013.06.014

Table 1.

Alcohol and Drug Use at Club Entrance and Exit

Total Sample
(N=2028)
Entrance
Only
Subsample
(n=231)
Entrance
and Exit
Subsample
(n=1797)
Entrance
(%)
Exit
(%)
Entrance
(%)
Entrance
(%)
Any Drug Use 22.3 25.3 24.8 21.9

Any Alcohol Use 54.9 71.6 59.7 54.3

Level of Alcohol Use
  No alcohol 45.1 28.4 40.3 45.7
  Low alcohol use (BAC: 0.001%–0.049%) 28.6 26.8 22.1 29.4
  Impaired (BAC: 0.05%–0.079%) 12.0 16.9 13.9* 11.8
  Intoxicated (BAC: ≥ 0.08%) 14.3 27.9 18.9* 13.1
  Total 100.0 100.0 100.0 100.0

Presence of Drugs and Alcohol
  Neither drugs nor alcohol 36.7 24.0 32.2 37.3
  Drugs, no alcohol 8.5 5.5 8.3 8.5
  Alcohol, no drugs 41.0 51.5 43.0 40.8
  Both drugs and alcohol 13.8 19.1 16.5 13.4
  Total 100.00 100.0 100.0 100.0

Drug Use and Intoxicated (BAC ≥ 0.08%) 4.2 8.7 5.6 4.1
*

Combining impairment/intoxication rates, a significantly greater percentage of entrance-only patrons as compared to the entrance and exit patrons were impaired/intoxicated (χ2 = 22.14, p < 0.0001).