Table 1.
Study characteristics of children with sports-related concussion, stratified by race
| Variable | Race | ||||
|---|---|---|---|---|---|
| White | Black/African American | Some Other Race | χ 2(df) | p | |
| n (%) | n (%) | n (%) | |||
| Sex | 9.66 (2) | 0.008 | |||
| Male | 680 (59.3) | 122 (71.8) | 70 (62.0) | ||
| Female | 466 (40.7) | 48 (28.2) | 43 (38.0) | ||
| Cognitive-related Symptoms | 0.43 (2) | 0.81 | |||
| Yes | 899 (78.4) | 130 (76.5) | 87 (76.3) | ||
| No | 247 (21.6) | 40 (23.5) | 27 (23.7) | ||
| Insurance Coverage | 105.1 (4) | <0.0001 | |||
| Private | 1035 (90.3) | 108 (63.5) | 83 (73.5) | ||
| Public | 67 (5.9) | 43 (25.3) | 19 (16.8) | ||
| Uninsured | 44 (3.8) | 19 (11.2) | 11 (9.7) | ||
| Language | 0.34 (2) | 0.84 | |||
| English | 834 (72.8) | 123 (72.4) | 85 (75.2) | ||
| Spanish | 312 (27.2) | 47 (27.6) | 28 (24.8) | ||
| Year Injured | 36.2 (14) | 0.001 | |||
| 2007 | 6 (0.5) | 0 (0.0) | 0 (0.0) | ||
| 2008 | 33 (2.9) | 3 (1.8) | 2 (1.8) | ||
| 2009 | 134 (11.7) | 19 (11.2) | 2 (1.8) | ||
| 2010 | 182 (15.9) | 38 (22.3) | 11 (9.7) | ||
| 2011 | 205 (17.9) | 24 (14.1) | 18 (15.9) | ||
| 2012 | 163 (14.2) | 26 (15.3) | 24 (21.2) | ||
| 2013 | 293 (25.6) | 50 (29.4) | 34 (30.1) | ||
| 2014 | 130 (11.3) | 10 (5.9) | 22 (19.47) | ||
Notes and abbreviations: The type 1 error tolerance (significance level) was set at 5 % (0.05). n = number, % = percentage, df = degree of freedom, Pearson Chi-squared = χ 2