Past week binge drinking during adolescence and young adulthood, by sex
| Binge drinking in the past week | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Males (N=935) | Females (N=999) | Total (N=1934) | |||||||
| n | Per cent | (95% CI) | n | Per cent | (95% CI) | n | Per cent | (95% CI) | |
| Adolescent phase (waves 2–6) | |||||||||
| Binge drinking by wave | |||||||||
| Wave 2 (mean age 15.5 years) | 135 | 14.4 | (12.1 to 16.7) | 76 | 7.6 | (5.90 to 9.30) | 211 | 10.9 | (9.50 to 12.3) |
| Wave 3 (mean age 15.9 years) | 170 | 18.1 | (15.5 to 20.7) | 96 | 9.6 | (7.50 to 11.7) | 265 | 13.7 | (12.1 to 15.4) |
| Wave 4 (mean age 16.4 years) | 208 | 22.3 | (19.3 to 25.3) | 140 | 14.1 | (11.8 to 16.3) | 349 | 18.0 | (16.2 to 19.9) |
| Wave 5 (mean age 16.8 years) | 265 | 28.3 | (25.1 to 31.5) | 152 | 15.2 | (12.9 to 17.6) | 417 | 21.6 | (19.6 to 23.5) |
| Wave 6 (mean age 17.4 years) | 291 | 31.1 | (28.0 to 34.3) | 150 | 15.0 | (12.6 to 17.4) | 441 | 22.8 | (20.8 to 24.8) |
| Number of adolescent waves of any binge drinking | |||||||||
| Never | 453 | 48.5 | (45.0 to 52.0) | 660 | 66.1 | (63.0 to 69.1) | 1113 | 57.6 | (55.2 to 60.0) |
| 1 wave | 184 | 19.7 | (16.8 to 22.6) | 186 | 18.6 | (16.0 to 21.2) | 370 | 19.1 | (17.1 to 21.1) |
| 2+ waves | 297 | 31.8 | (28.5 to 35.1) | 153 | 15.3 | (13.0 to 17.7) | 451 | 23.3 | (21.3 to 25.3) |
| Young adult phase (waves 7–9) | |||||||||
| Binge drinking by wave | |||||||||
| Wave 7 (mean age 20.7 years) | 509 | 54.5 | (51.1 to 57.9) | 318 | 31.8 | (28.7 to 34.9) | 827 | 42.8 | (40.4 to 45.1) |
| Wave 8 (mean age 24.1 years) | 550 | 58.8 | (55.2 to 62.4) | 335 | 33.5 | (30.3 to 36.7) | 885 | 45.8 | (43.3 to 48.2) |
| Wave 9 (mean age 29.0 years) | 524 | 56.1 | (52.3 to 59.8) | 233 | 23.3 | (20.2 to 26.4) | 757 | 39.2 | (36.6 to 41.8) |
| Number of adult waves of any binge drinking | |||||||||
| Never | 178 | 19.1 | (16.2 to 21.9) | 437 | 43.8 | (40.4 to 47.1) | 616 | 31.8 | (29.6 to 34.1) |
| 1 wave | 204 | 21.8 | (18.9 to 24.8) | 316 | 31.7 | (28.4 to 35.0) | 521 | 26.9 | (24.7 to 29.1) |
| 2+ waves | 552 | 59.1 | (55.7 to 62.5) | 245 | 24.5 | (21.5 to 27.6) | 798 | 41.2 | (38.8 to 43.7) |
| Continuity and discontinuity from adolescence (waves 2–6) to young adulthood (waves 7–9) | |||||||||
| None in either phase | 137 | 14.7 | (12.2 to 17.2) | 342 | 34.2 | (31.0 to 37.5) | 479 | 24.8 | (22.7 to 26.9) |
| Incident in young adulthood | 316 | 33.8 | (30.3 to 37.3) | 318 | 31.9 | (28.7 to 35.0) | 634 | 32.8 | (30.4 to 35.2) |
| Remitted by young adulthood (adolescence only) | 41 | 4.4 | (2.80 to 6.00) | 95 | 9.5 | (7.50 to 11.6) | 136 | 7.1 | (5.80 to 8.30) |
| Continuing in young adulthood (both phases) | 441 | 47.1 | (43.5 to 50.7) | 244 | 24.4 | (21.6 to 27.2) | 684 | 35.4 | (33.1 to 37.7) |
‘Binge’ drinking defined as five or more drinks in 1 day in the past week.