Table 1 Regression models testing change in outcome variables pre- and post-intervention

Hours out (n = 1058)

4.6 (0.14)

5.7 (0.13)

β = 0.17

0.11, 0.22

Arrival at precinct ≤10:00 pm (n = 900)

43%

50%

OR = 1.38

1.04, 1.82

Pre-drinking (yes) (n = 1035)

85%

85%

OR = 1.05

0.75, 1.48

Number of pre-drinks (n = 879)

8.1 (0.28)

7.5 (0.25)

IRR = 0.93

0.84, 1.02

Mean BAC (g/dL) (n = 986)

0.081 (0.033)

0.079 (0.002)

β = −0.003

−0.010, 0.005

 0.0 (sober)

15%

12%

RRR = 0.60

0.40, 0.90

  > 0.0 to < 0.05 (slight)

17%

17%

RRR = 0.73

0.50, 1.06

  ≥ 0.05 to < 0.10 (moderate)

30%

41%

RRR = 1.00

  ≥ 0.10 (high)^a

38%

30%

RRR = 0.58

0.43, 0.79