Table 3.
Females: Prevalence estimates of misuse of prescription sedatives and tranquilizers and substance disorders over time
| Misuse of prescription tranquilizers/sedatives in past 3 years (at Wave 2: 2004–2005) | Substance use disorders since in past 3 years (at Wave 2: 2004–2005) | ||||
|---|---|---|---|---|---|
|
| |||||
| Age and misuse of prescription tranquilizers and sedatives at Wave 1 (2001–02) | Misuse prescription sedatives (S) in past 3 years % (SE) | Misuse prescription tranquilizers (T) in past 3 years % (SE) | Misuse prescription S or T in past 3 years % (SE) | Prescription ST use disorder in past 3 years % (SE) | Other substance use disorder in past 3 years % (SE) |
|
| |||||
| Total | |||||
| No lifetime misuse | 1.21% (0.10%) | 1.08% (0.09%) | 1.99% (0.12%) | 0.36% (0.06%) | 7.12% (0.30%) |
| Prior-to-past-year misuse only | 6.82% (1.44%) | 6.24% (1.26%) | 9.19% (1.60%) | 2.24% (0.87%) | 21.13% (1.94%) |
| Current misuse (past year) | 14.99% (2.70%) | 10.81% (1.99%) | 21.02% (3.00%) | 4.82% (1.32%) | 34.40% (3.58%) |
| P < 0.0001 | P < 0.0001 | P < 0.0001 | P < 0.0001 | P < 0.0001 | |
|
| |||||
| 18–25 years | |||||
| No lifetime misuse | 2.44% (0.38%) | 2.48% (0.43%) | 4.26% (0.54%) | 1.04% (0.29%) | 17.56% (1.14%) |
| Prior-to-past-year misuse only | 11.37% (4.76%) | 12.86% (4.93%) | 15.25% (5.19%) | 6.66% (4.18%) | 31.54% (6.41%) |
| Current misuse (past year) | 10.13% (4.39%) | 11.77% (4.48%) | 19.16% (5.67%) | 3.15% (2.29%) | 59.55% (6.76%) |
| P < 0.0001 | P < 0.0001 | P < 0.0001 | P = 0.0035 | P < 0.0001 | |
|
| |||||
| 26–44 years | |||||
| No lifetime misuse | 1.34% (0.18%) | 1.11% (0.15%) | 2.13% (0.21%) | 0.34% (0.09%) | 9.11% (0.49%) |
| Prior-to-past-year misuse only | 6.93% (2.27%) | 6.05% (1.72%) | 9.90% (2.54%) | 1.70% (0.93%) | 24.82% (2.89%) |
| Current misuse (past-year) | 18.77% (4.46%) | 12.35% (3.06%) | 25.53% (4.82%) | 4.23% (1.76%) | 41.42% (5.07%) |
| P < 0.0001 | P < 0.0001 | P < 0.0001 | P < 0.0001 | P < 0.0001 | |
|
| |||||
| 45 years and older | |||||
| No lifetime misuse | 0.78% (0.11%) | 0.66% (0.08%) | 1.25% (0.13%) | 0.17% (0.05%) | 2.70% (0.22%) |
| Prior-to-past-year misuse only | 4.58% (1.60%) | 3.50% (1.47%) | 5.37% (1.68%) | 1.04% (0.85%) | 10.91% (2.28%) |
| Current misuse (past-year) | 14.22% (4.25%) | 8.26% (2.77%) | 17.10% (4.55%) | 6.80% (2.77%) | 6.86% (2.78%) |
| P < 0.0001 | P < 0.0001 | P < 0.0001 | P < 0.0001 | P < 0.0001 | |
Note: p-values are for Rao-Scott F-tests.