Table 2 Descriptive statistics of the analytical sample (n = 853)

Alcohol use^a, mean (s.d.)

4.17 (3.4)

4.30 (3.2)

0.617

4.13 (3.5)

4.12 (3.0)

0.964

Alcohol use^b, n (%)

 Abstention or low-risk use

484 (82.6)

217 (81.3)

0.640

485 (82.8)

225 (84.3)

0.585

 Hazardous use

102 (17.4)

50 (18.7)

101 (17.2)

42 (15.7)

Policy awareness^a, mean (s.d.)

 Supportive organisation to oneself

3.48 (1.2)

3.86 (1.0)

≤ 0.001

3.54 (1.1)

3.97 (1.0)

≤ 0.001

 Supportive organisation to colleagues

3.47 (1.6)

3.85 (1.0)

≤ 0.001

3.52 (1.1)

3.94 (1.0)

≤ 0.001

 Alcohol policy knowledge

2.99 (1.5)

3.33 (1.3)

≤ 0.001

3.35 (1.4)

3.48 (1.3)

0.203