Table 3 Comparison of Characteristics of the Study Population According to Binge Drinking Status (n = 3968)

Sociodemographic

 Gender

  Male

685 (51.0)

1251 (47.7)

  Female

659 (49.0)

1373 (52.3)

0.054

 Ethnicity

  White

1291 (96.1)

2433 (92.7)

  Non-White

53 (3.9)

191 (7.3)

 < 0.001

 Maternal Education

  Tertiary

690 (51.3)

1420 (54.1)

  Secondary

342 (25.5)

572 (21.8)

  Primary

73 (5.4)

123 (4.7)

  Didn’t Know

239 (17.8)

509 (19.4)

0.034

Individual

 Mental Health

  Very good/good

539 (40.1)

1358 (51.7)

  Okay

439 (32.7)

855 (32.6)

  Bad/very bad

366 (27.2)

411 (15.7)

 < 0.001

 Current cigarette use

  Yes

385 (28.6)

95 (3.6)

  No

959 (71.4)

2529 (96.4)

 < 0.001

 Current cannabis use

  Yes

212 (15.8)

38 (1.4)

  No

1132 (84.2)

2586 (98.6)

 < 0.001

Parents and family

 Parental supervision

  Median (IQR)

6 (2)

8 (2)

 < 0.001

 Parental drunkenness

  At least weekly

323 (24.0)

307 (11.7)

  No/less than weekly

1021 (76.0)

2317 (88.3)

 < 0.001

 Parental reaction to drunkenness

  A bit against/wouldn’t care

782 (58.2)

740 (28.2)

  Totally against/against it

562 (41.8)

1884 (71.8)

 < 0.001

 Gets alcohol from parents

  Never/rarely

957 (71.2)

2307 (87.9)

  Sometimes/often/almost always

387 (28.8)

317 (12.1)

 < 0.001

Peer Group

 Having friends that drink alcohol

  Yes

1329 (98.9)

2172 (82.8)

  No

15 (1.1)

452 (17.2)

 < 0.001

School

 School engagement

  Mean (sd)

13.3 (3.0)

12.6 (2.9)

 < 0.001

Leisure Time/Source of Alcohol in Local Community

 Team/club sports participation

  Never

558 (41.5)

1219 (46.4)

  1–4 times/week

679 (50.5)

1235 (47.1)

  5 or more times/week

107 (8.0)

170 (6.5)

0.007

 Gets alcohol from friends

  Never/rarely

459 (34.2)

2201 (83.9)

  Sometimes/often/almost always

885 (65.8)

423 (16.1)

 < 0.001

 Gets alcohol from another adult

  Never/rarely

725 (53.9)

2444 (93.1)

  Sometimes/often/almost always

619 (46.1)

180 (6.9)

 < 0.001