Table IIIa.
The Distribution of Age at First Use of Alcohol by Interview Year Compared with a Multiyear “Corrected” Distribution (NHSDA 1982–1995, 1968–1973 Birth Cohort)
| Interview age | Retrospective report of age at first use of alcohol |
Avg. age |
||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| < 12a | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | 24 | Rep. | Corr. | |
| 12 | 18.9 | 11.0 | 11.0 | |||||||||||||
| 13 | 20.7 | 12.9 | 11.4 | 11.4 | ||||||||||||
| 14 | 18.1 | 10.1 | 17.0 | 12.0 | 11.8 | |||||||||||
| 15 | 11.0 | 9.4 | 16.8 | 14.1 | 12.7 | 12.1 | ||||||||||
| 16 | 7.7 | 7.7 | 10.5 | 18.5 | 17.3 | 13.5 | 12.6 | |||||||||
| 17 | 8.1 | 5.8 | 8.0 | 13.7 | 19.2 | 15.9 | 14.1 | 13.0 | ||||||||
| 18 | 6.7 | 4.5 | 10.1 | 12.7 | 13.0 | 18.2 | 10.2 | 14.5 | 13.3 | |||||||
| 19 | 6.7 | 6.4 | 8.3 | 10.4 | 14.5 | 17.2 | 11.0 | 8.5 | 14,9 | 13.7 | ||||||
| 20 | 6.0 | 5.3 | 7.6 | 10.4 | 15.7 | 16.2 | 10.6 | 10.3 | 3.1 | 15.2 | 13.8 | |||||
| 21 | 5.2 | 4.8 | 5.3 | 10.4 | 14.1 | 18.4 | 11.7 | 9.8 | 4.4 | 2.2 | 15.5 | 13.9 | ||||
| 22 | 5.8 | 4.8 | 6.3 | 10.1 | 13.5 | 17.2 | 9.3 | 10.7 | 3.8 | 3.3 | 3.8 | 15.7 | 14.1 | |||
| 23 | 5.4 | 5.7 | 7.1 | 9.3 | 12.3 | 15.5 | 9.0 | 10.9 | 4.8 | 4.0 | 4.7 | 0.8 | 15.9 | 14.2 | ||
| 24 | 6.5 | 3.4 | 6.6 | 8.9 | 13.0 | 17.5 | 9.6 | 10.0 | 5.0 | 2.6 | 4.9 | 0.9 | 0.7 | 15.9 | 14.2 | |
| 25 | 5.3 | 4.1 | 4.8 | 9.7 | 13.1 | 18.3 | 8.9 | 12.4 | 4.9 | 2.0 | 4.6 | 1.5 | 0.8 | 0.2 | 16.1 | 14.3 |
| Cum. | 18.9 | 33.7 | 45.2 | 51.3 | 61.6 | 70.7 | 75.4 | 83.0 | 85.3 | 86.2 | 88.9 | 89.6 | 89.7 | 90.6 | ||
| Corr. | 18.9 | 14.7 | 11.6 | 6.1 | 10.3 | 9.1 | 4.7 | 7.5 | 2.4 | 0.9 | 2.7 | 0.7 | 0.2 | 0.9 | ||
a
Reports of initiation prior to age 11 were rounded up to 11.