Study Name | Time Point | Recall Period | Estimated Prevalence | Lower 95% CI | Upper 95% CI |
---|---|---|---|---|---|
GSS | 1988–2008 | past year | 3.2% | 2.8% | 3.7% |
NHANES | 1999–2008 | past year | 2.9% | 2.1% | 3.6% |
NHSDA | 1996 | past year | 2.3% | 1.6% | 3.1% |
NHSLS | 1992 | past year | 3.5% | 2.1% | 4.9% |
NSBME | 1999–2000 | past year | 2.6% | 0.8% | 4.4% |
NSFG | 2002–2003 | past year | 2.9% | 2.2% | 3.6% |
Combined estimate | past year | 2.9% | 2.6% | 3.2% | |
GSS | 1991–2008 | past 5 years | 3.8% | 3.3% | 4.3% |
NHSLS | 1992 | past 5 years | 4.1% | 2.7% | 5.5% |
NSBME | 1999–2000 | past 5 years | 4.3% | 1.8% | 6.8% |
Project Hope | 1988 | past 5 years | 6.2% | 3.5% | 9.0% |
Combined estimate | past 5 years | 3.9% | 3.5% | 4.4% | |
NHANES | 1999–2008 | Ever | 5.2% | 4.4% | 6.1% |
NHSLS | 1992 | Ever | 9.1% | 7.6% | 10.6% |
NSBME | 1999–2000 | Ever | 8.2% | 4.9% | 11.5% |
NSFG | 2002–2003 | Ever | 6.0% | 5.0% | 7.0% |
Combined estimate | Ever | 6.9% | 5.1% | 8.6% |