Table 2.
Estimated hazard function (95% confidence interval) of the age of initiation of ever use tobacco products for the overall sample of PATH (2013-2017) USA youth.
| HOOKAH | E-CIGARETTES | CIGARETTES | TRADITIONAL CIGARS | SMOKELESS TOBACCO | CIGARILLOS | |
|---|---|---|---|---|---|---|
| Age | Primary analysis based on the recalled age of initiation | |||||
| 12 | 0.2% (0.2, 0.3) | 1.3% (1.1, 1.5) | 1.4% (1.1, 1.6) | 0.1% (0.04,0.2) | 0.7% (0.4,0.9) | 0.4% (0.3,0.5) |
| 13 | 0.7% (0.5, 0.9) | 4.3% (1.6, 7.1) | 2.5% (2.2, 3.0) | 0.2% (0.1, 0.3) | 1.1% (0.9, 1.3) | 0.7% (0.5, 0.8) |
| 14 | 1.4% (1.1, 1.6) | 9.1% (7.9, 10.2) | 7.1% (4.6, 9.5) | 0.6% (0.5, 1.0) | 2.4% (1.5, 3.3) | 2.3% (1.1, 3.5) |
| 15 | 3.2% (2.9, 3.6) | 16.7% (15.8, 17.6) | 12.6% (10.6, 14.5) | 1.3% (0.7, 2.0) | 4.2% (2.7, 5.6) | 5.8% (3.2, 8.3) |
| 16 | 7.4% (6.7, 8.0) | 27.3% (22.3, 32.3) | 18.4% (16.4, 20.4) | 3.8% (2.4, 5.2) | 7.9% (6.3, 9.5) | 9.0% (8.3, 9.8) |
| 17 | 13.6% (12.6, 14.6) | 36.2% (32.5, 39.9) | 26.9% (23.7, 30.1) | 6.2% (4.2, 8.1) | 10.3% (9.3, 11.4) | 15.9% (14.8, 17.0) |
| 18 | 22.0% (20.5, 23.3) | 49.9% (46.3, 53.5) | 37.1% (34.3, 40.0) | 18.4% (16.2, 20.5) | 13.0% (11.2, 14.7) | 15.9% (14.8, 17.0) |
| 19 | 29.1% (27.2, 30.9) | 51.7% (49.2, 54.3) | 38.1% (36.0, 40.1) | 20.4% (18.5, 22.7) | 15.3% (14.1, 16.5) | 15.9% (14.8, 17.0) |
| 20 | 32.6% (30.4, 34.6) | 54.9% (52.3, 57.5) | 42.5% (40.4, 44.5) | 21.1% (19.3, 22.8) | 16.9% (15.3, 18.5) | 15.9% (14.8, 17.0) |
| 21 | 38.6% (29.3, 47.8) | 57.9 % (50.8, 64.9) | 44.4% (40.5, 48.3) | 25.5% (19.3, 31.6) | 18.4% (15.0, 21.8) | 18.4% (15.0, 21.8) |
| Age | Sensitivity Analysis based on uniform six “6” years lower bound for left censored sample | |||||
| 12 | 0.1% (0.1, 0.1) | 1.3% (1.1, 1.5) | 5.0% (4.4, 5.7) | 0.4% (0.3, 0.6) | 1.8% (1.4, 2.2) | 1.4% (1.0, 1.8) |
| 13 | 0.6% (0.1, 1.2) | 4.3% (1.6, 7.0) | 5.7% (5.0, 6.3)) | 0.5% (0.3, 0.7) | 2.1% (1.7, 2.5) | 1.6% (1.2, 2.0) |
| 14 | 1.4% (1.1, 1.6) | 9.0% (7.9, 10.2) | 10.1% (7.7, 12.5) | 1.1% (0.9, 1.4) | 3.7% (3.1, 4.3) | 3.4% (2.8, 4.1) |
| 15 | 2.9% (1.4, 4.4) | 16.7% (15.8, 17.6) | 15.5% (13.5, 17.5) | 1.8% (1.2, 2.5) | 5.3% (3.7, 7.0) | 7.2% (4.8, 9.6) |
| 16 | 4.8% (4.0, 5.6) | 27.3% (22.3, 32.3) | 20.8% (19.0, 22.7) | 4.2% (2.7, 5.7) | 8.9% (7.4, 10.3) | 9.9% (8.8, 10.9) |
| 17 | 8.2% (5.8, 10.7) | 36.2% (32.5, 40.0) | 26.8% (24.4, 29.1) | 6.3% (3.8, 8.8) | 10.0% (7.8, 12.2) | 14.3% (13.3, 15.4) |
| 18 | 19.7% (14.0, 25.4) | 50.0% (46.3, 53.5) | 34.6% (31.5, 37.7) | 17.9% (15.8, 20.0) | 11.5% (9.8, 13.2) | 14.3% (13.3, 15.4) |
| 19 | 21.4% (19.1, 23.6) | 51.7% (49.2, 54.3) | 35.5% (33.5, 37.5) | 19.9% (17.6, 22.2) | 14.0% (12.8, 15.1) | 14.3% (13.3, 15.4) |
| 20 | 24.3% (22.2, 26.3) | 54.9% (52.3, 57.5) | 40.2% (38.2, 42.1) | 20.6% (18.9, 22.4) | 15.6% (14.1, 17.1) | 14.3% (13.3, 15.4) |
| 21 | 31.0% (20.8, 41.3) | 57.9% (50.8, 64.9) | 42.1% (38.2, 46.1) | 25.0% (18.8, 31.2) | 17.1% (14.0, 20.6) | 14.3% (13.3, 15.4) |
Hazards are reported as cumulative percentages (i.e., cumulative incidence)
95% CI: Turnbull 95% confidence interval
PATH restricted file received disclosure to publish: March 02, 2020, and July 23, 2020. United States Department of Health and Human Services. National Institutes of Health. National Institute on Drug Abuse, and United States Department of Health and Human Services. Food and Drug Administration. Center for Tobacco Products. Population Assessment of Tobacco and Health (PATH) Study [United States] Restricted-Use Files. ICPSR36231-v13. Ann Arbor, MI: Inter-university Consortium for Political and Social Research [distributor], November 5, 2019. https://doi.org/10.3886/ICPSR36231.v23