Table II.
Distribution of demographic and patient characteristics of youth concussion
| Total |
SRR injury |
Non–SRR injury
|
||||||
|---|---|---|---|---|---|---|---|---|
| N | % | n | % | n | % | aRR* | 95% CI | |
| Overall | 1505 | 1060 | 70.4 | 445 | 29.6 | |||
| Age at first visit (y) | ||||||||
| 0–4 | 68 | 4.5 | 12 | 17.6 | 56 | 82.4 | Reference | |
| 5–11 | 454 | 30.2 | 306 | 67.4 | 148 | 32.6 | 3.36 | 2.01–5.62 |
| 12–14 | 523 | 34.8 | 403 | 77.1 | 120 | 22.9 | 3.70 | 2.21–6.17 |
| 15–17 | 460 | 30.6 | 339 | 73.7 | 121 | 26.3 | 3.58 | 2.14–5.98 |
| Sex | ||||||||
| Female | 705 | 46.8 | 465 | 66.0 | 240 | 34.0 | Reference | |
| Male | 800 | 53.2 | 595 | 74.4 | 205 | 25.6 | 1.12 | 1.06–1.19 |
| Race/ethnicity | ||||||||
| NH white | 1029 | 68.4 | 780 | 75.8 | 249 | 24.2 | Reference | |
| NH black | 262 | 17.4 | 130 | 49.6 | 132 | 50.4 | 0.80 | 0.71–0.91 |
| Hispanic | 55 | 3.7 | 36 | 65.5 | 19 | 34.5 | 0.96 | 0.81–1.15 |
| NH other/multiple race | 42 | 2.8 | 26 | 61.9 | 16 | 38.1 | 0.91 | 0.72–1.15 |
| Unknown | 117 | 7.8 | 88 | 75.2 | 29 | 24.8 | 1.02 | 0.93–1.12 |
| Insurance payor | ||||||||
| Medicaid/self-pay | 288 | 19.1 | 132 | 45.8 | 156 | 54.2 | Reference | |
| Private | 1217 | 80.9 | 928 | 76.3 | 289 | 23.7 | 1.42 | 1.25–1.62 |
aRR, adjusted risk ratio.
*
Multivariable log binomial regression models used to estimate the aRR and 95% CI included age at first visit, sex, race/ethnicity, and insurance payor at first visit.