Table 5.
Predictors of Number of Days of Work Missed, Multinomial Logit Model (n = 541)
| Variable | Workdays missed | Odds ratio (95% confidence interval) | p Value |
|---|---|---|---|
| Sex, male versus female | >7 versus 0 | 0.57 (0.33, 0.97) | 0.09 |
| 1–7 versus 0 | 0.64 (0.39, 1.03) | ||
| Agea | >7 versus 0 | 1.00 (0.84, 1.20) | 0.94 |
| 1–7 versus 0 | 1.03 (0.87, 1.21) | ||
| Incomeb | >7 versus 0 | 0.82 (0.67, 0.99) | 0.02 |
| 1–7 versus 0 | 1.04 (0.88, 1.23) | ||
| Race/ethnicity | 0.97 | ||
| ▪ Non-white, Hispanic versus non-white, non-Hispanic | >7 versus 0 | 1.23 (0.11, 14.09) | |
| 1–7 versus 0 | 0.55 (0.04, 7.14) | ||
| ▪ White, non-Hispanic versus non-white, non-Hispanic | >7 versus 0 | 0.87 (0.38, 2.00) | |
| 1–7 versus 0 | 0.87 (0.39, 1.91) | ||
| ▪ White, Hispanic versus non-white, non-Hispanic | >7 versus 0 | 0.67 (0.18, 2.51) | |
| 1–7 versus 0 | 0.91 (0.29, 2.93) | ||
| Glasgow Coma Scale score (15 versus 13/14) | >7 versus 0 | 0.72 (0.21, 2.48) | 0.87 |
| 1–7 versus 0 | 0.80 (0.23, 2.72) | ||
| Mechanism of injury | 0.02 | ||
| ▪ Fall versus sports/cycling | >7 versus 0 | 2.91 (1.16, 7.29) | |
| 1–7 versus 0 | 2.71 (1.24, 5.91) | ||
| ▪ Pedestrian struck/other versus sports/cycling | >7 versus 0 | 1.64 (0.54, 4.96) | |
| 1–7 versus 0 | 1.69 (0.69, 4.16) | ||
| ▪ Assault versus sports/cycling | >7 versus 0 | 1.25 (0.39, 2.96) | |
| 1–7 versus 0 | 1.16 (0.43, 3.14) | ||
| ▪ Motor vehicle collision versus sports/cycling | >7 versus 0 | 3.58 (1.66, 7.71) | |
| 1–7 versus 0 | 2.01 (1.06, 3.80) | ||
| ▪ Motorcycle collision versus sports/cycling | >7 versus 0 | 9.31 (1.62, 53.52) | |
| 1–7 versus 0 | 2.22 (0.36, 13.72) | ||
| Extracranial Injuries or Illness | >7 versus 0 | 1.12 (0.38, 3.27) | 0.002 |
| 1–7 versus 0 | 0.33 (0.14, 0.76) | ||
| LOC or amnesia versus no LOC or amnesia | >7 versus 0 | 1.42 (0.79, 2.55) | 0.12 |
| 1–7 versus 0 | 1.75 (1.03, 2.99) | ||
| Head CT scan | 0.0004 | ||
| • Abnormal versus normal | >7 versus 0 | 4.70 (0.54, 40.86) | |
| 1–7 versus 0 | 1.73 (0.19, 15.95) | ||
| • Not done versus normal | >7 versus 0 | 0.38 (0.22, 0.66) | |
| 1–7 versus 0 | 0.86 (0.53, 1.39) | ||
| On analgesics before injury | >7 versus 0 | 1.03 (0.44, 2.40) | 0.20 |
| 1–7 versus 0 | 0.55 (0.24, 1.26) | ||
| Received analgesics in ED | >7 versus 0 | 2.07 (1.14, 3.74) | 0.01 |
| 1–7 versus 0 | 0.95 (0.58, 1.56) | ||
| Prior TBI | >7 versus 0 | 1.65 (0.94, 2.91) | 0.16 |
| 1–7 versus 0 | 1.14 (0.68, 1.92) | ||
a
For every 10-year increase in age.
b
For every $10,000 increase in income.
ED, emergency department; PCS, post-concussive symptom; LOC, loss of consciousness; CT, computed tomography; TBI, traumatic brain injury.