Table 1.
Twelve-month prevalences, adjusted prevalence ratios (APRs) and trend analyses of driver-based drinking and driving practices by sociodemographic characteristics.
| Characteristic | More than once driving while drinking |
More than once driving after drinking too much |
||
|---|---|---|---|---|
| % (SE) | APR (95% CI) | % (SE) | APR(95% CI) | |
| Total | 5.73 (0.20) | 3.94 (0.15) | ||
| Sex | ||||
| Men | 8.19 (0.31) | 2.33 (2.10–2.61) | 5.56 (0.22) | 2.20 (1.95–2.48) |
| Women | 3.46 (0.19) | 1.00 | 2.43 (0.15) | 1.00 |
| Age | ||||
| 18–29 | 8.32 (0.44) | 3.96 (3.07–5.10) | 6.29 (0.33) | 6.49 (4.35–9.68) |
| 30–44 | 6.94 (0.34) | 3.54 (2.80–4.49) | 4.76 (0.26) | 5.87 (3.96–8.71) |
| 45–64 | 5.11 (0.25) | 2.50 (1.96–3.19) | 3.43 (0.22) | 4.09 (2.73–6.12) |
| 65+ | 2.00 (0.24) | 1.00 | 0.82 (0.16) | 1.00 |
| P for linear trend | < 0.001 | < 0.001 | ||
| Race/ethnicity | ||||
| White, non-Hispanic | 6.22 (0.28) | 1.00 | 4.44 (0.19) | 1.00 |
| Black, non-Hispanic | 6.02 (0.47) | 0.85 (0.70–1.03) | 3.42 (0.32) | 0.63 (0.51–0.78) |
| Native American | 5.49 (1.19) | 0.89 (0.58–1.38) | 4.18 (1.21) | 0.93 (0.55–1.58) |
| Asian/Pacific Islander | 1.72 (0.38) | 0.26 (0.17–0.41) | 1.53 (0.34) | 0.30 (0.19–0.48) |
| Hispanic | 4.91 (0.34) | 0.73 (0.63–0.86) | 3.01 (0.26) | 0.59 (0.49–0.72) |
| Education | ||||
| < High school | 4.00 (0.35) | 0.74 (0.61–0.89) | 2.06 (0.22) | 0.61 (0.47–0.78) |
| High school | 5.85 (0.29) | 0.95 (0.83–1.07) | 4.35 (0.28) | 1.07 (0.91–1.24) |
| Attended/completed college | 6.05 (0.26) | 1.00 | 4.16 (0.19) | 1.00 |
| P for linear trend | < 0.001 | < 0.001 | ||
| Marital status | ||||
| Married/cohabitating | 4.66 (0.22) | 1.00 | 2.86 (0.17) | 1.00 |
| Widowed/divorced/separated | 5.76 (0.32) | 1.69 (1.48–1.94) | 3.87 (0.27) | 1.92 (1.60–2.30) |
| Never married | 8.46 (0.45) | 1.46 (1.27–1.68) | 6.76 (0.36) | 1.89 (1.62–2.20) |
| Family income | ||||
| 0–$19,999 | 5.43 (0.37) | 0.82 (0.69–0.98) | 3.82 (0.30) | 0.84 (0.69–1.02) |
| $20,000–$34,999 | 5.24 (0.33) | 0.83 (0.71–0.96) | 3.42 (0.25) | 0.80 (0.66–0.98) |
| $35,000–$69,999 | 6.00 (0.30) | 0.93 (0.82–1.06) | 4.33 (0.22) | 1.00 (0.85–1.17) |
| ≥ $70,000 | 6.02 (0.33) | 1.00 | 4.00 (0.26) | 1.00 |
| P for linear trend | 0.013 | 0.02 | ||
| Urbanicity | ||||
| Urban | 5.81 (0.21) | 1.00 | 4.15 (0.16) | 1.00 |
| Rural | 5.43 (0.48) | 0.95 (0.79–1.14) | 3.16 (0.34) | 0.78 (0.62–0.98) |
| Region | ||||
| Northeast | 4.19 (0.40) | 0.78 (0.62–0.99) | 3.12 (0.22) | 0.79 (0.65–0.96) |
| Midwest | 7.17 (0.51) | 1.30 (1.06–1.59) | 5.15 (0.41) | 1.27 (1.03–1.55) |
| South | 6.14 (0.37) | 1.18 (0.97–1.43) | 3.82 (0.26) | 1.04 (0.86–1.25) |
| West | 4.97 (0.35) | 1.00 | 3.65 (0.25) | 1.00 |
Note: SE = standard error; CI = confidence interval.