Kappas from PATH-RV Study and 2006 NSDUH Reliability Study
| Variable | PATH-RV Study (n = 524) | 2006 NSDUH Reliability Study(n = 3129–3136) |
| Lifetime use | ||
| Cigarettes | 0.95 | 0.92 |
| Smokeless tobacco | 0.87 | 0.88 |
| Cigars | 0.88 | 0.88 |
| Pipe tobacco | 0.82 | 0.84 |
| Snus | 0.84 | – |
| Hookah | 0.83 | – |
| Alcohol | 0.8 | 0.83 |
| Marijuana | 0.84 | 0.93 |
| Cocaine or crack | 0.82 | 0.92 |
| Stimulants | 0.83 | 0.77 |
| Past year use | ||
| Cigarettes | 0.94 | 0.93 |
| Smokeless tobacco | 0.84 | 0.84 |
| Cigars | 0.85 | 0.72 |
PATH-RV figures are for the combined youth and adult samples. An item in the PATH questionnaire asks about past year use. The NSDUH results are from SAMSHA (2010).9
NSDUH, National Survey on Drug Use and Health; PATH-RV, Population Assessment of Tobacco and Health reliability and validity; SAMSHA, Substance Abuse and Mental Health Services Administration.