Table 1.
Sex, age, race, and prior DUI status by alcohol change groups among a sample of alcohol ignition interlock drivers (N = 189)a,b
| Variable | Total n (%) | Alcohol decrease (n = 46) n (%) | Alcohol maintenance (n = 80) n (%) | Alcohol increase (n = 63) n (%) | χ2(df) | P |
|---|---|---|---|---|---|---|
| Sex | 2.072 (2) | .355 | ||||
| Male | 98 (55.1%) | 25 (58.1%) | 45 (59.2%) | 28 (47.5%) | ||
| Female | 80 (44.9%) | 18 (41.9%) | 31 (40.8%) | 31 (52.5%) | ||
| Age, in years | 7.147 (8) | .521 | ||||
| 18-24 | 28 (15.7%) | 11 (25.6%) | 8 (10.5%) | 9 (15.3%) | ||
| 25-34 | 55 (30.9%) | 14 (32.6%) | 24 (31.6%) | 17 (28.8%) | ||
| 35-44 | 38 (21.3%) | 6 (14.0%) | 19 (25.0%) | 13 (22.0%) | ||
| 45-54 | 29 (16.3%) | 5 (11.6%) | 12 (15.8%) | 12 (20.3%) | ||
| ≥55 | 28 (15.7%) | 7 (16.3%) | 13 (17.1%) | 8 (13.6%) | ||
| Race | 8.223 (10) | .607 | ||||
| Non-Hispanic White | 157 (90.8%) | 39 (90.7%) | 65 (90.1%) | 53 (91.4%) | ||
| Black/African American | 9 (5.2%) | 3 (7.0%) | 4 (5.6%) | 2 (3.4%) | ||
| Other | 7 (4.0%) | 1 (2.3%) | 3 (4.2%) | 3 (5.1%) | ||
| Prior DWI/DUI | 2.943 (2) | .230 | ||||
| First offense | 102 (58.0%) | 28 (65.1%) | 38 (50.7%) | 36 (62.1%) | ||
| Repeat offender | 74 (42.0%) | 15 (34.9%) | 37 (49.3%) | 22 (37.9%) |
Notes: DUI = driving under the influence; DWI = driving while intoxicated.
a
N does not equal 189 because of missing data;
b
percentages reported do not include missing data.