Table 2.
Characteristics of Adult MVC-Related US Emergency Department Visits, by Age Category, NHAMCS 2004–2008.
| Characteristic | Weighted Proportion, % (95% CI)* | |||
|---|---|---|---|---|
| Age 18 to 64 (N = 4,486) | Age ≥ 65 (N = 369) | |||
| Sex | ||||
| Male | 49 | (47–51) | 43 | (37–49) |
| Female | 51 | (49–53) | 57 | (51–63) |
| Race | ||||
| White | 69 | (66–72) | 81 | (76–86) |
| Black | 28 | (25–31) | 15 | (10–19) |
| Arrival by ambulance | 42 | (40–45) | 55 | (48–61) |
| Arrival at night^ | 22 | (20–23) | 12 | (8–17) |
| Pain location† | ||||
| Head¥ | 14 | (12–15) | 14 | (9–19) |
| Neck | 22 | (21–24) | 21 | (15–26) |
| Chest | 6 | (5–7) | 16 | (11–20) |
| Back | 23 | (21–25) | 13 | (9–17) |
| Lower extremity | 13 | (11–14) | 12 | (7–16) |
| Pain severity | ||||
| None | 8 | (6–9) | 12 | (7–17) |
| Mild | 12 | (11–14) | 17 | (11–22) |
| Moderate | 32 | (30–35) | 28 | (22–34) |
| Severe | 28 | (26–31) | 19 | (13–25) |
| Not reported | 19 | (17–21) | 24 | (18–30) |
*
Weighted proportions refers to age specific proportions, using the survey weights provided by NHAMCS.
^
ED arrival between the hours of 9 p.m. and 6 a.m.
†
Derived from reason for visit classification codes, not mutually exclusive.
¥
Includes eye, ear, mouth, tongue, throat, nose, and sinus pain.
NEDS = Nationwide Emergency Department Sample; NHAMCS = National Hospital Ambulatory Medical Care Survey; MVC = motor vehicle collision