Table 2.

Categorical sample demographic and self-reported characteristics.

	mTBI after surveya
	No	Yes	pb
N	171	19
Sex n (%)			0.560
Female	80 (46.8%)	7 (36.8%)
Male	91 (53.2%)	12 (63.2%)
Prior mTBI history n (%)			0.044
No	114 (66.7%)	8 (42.1%)
Yes	57 (33.3%)	11 (57.9%)
Sport type			0.038
Low SRC prevalence	118 (69.1%)	8 (42.1%)
High SRC prevalencec	53 (30.1%)	11 (57.9%)
NHANES Sleepiness Questionnaire n (%)			0.025
Never	20 (11.7%)	0 (0%)
Rarely (1 time per month)	41 (24%)	2 (10.5%)
Sometimes (2–4 times per month)	62 (36.3%)	6 (31.6%)
Often (5–15 times per month)	40 (23.4%)	7 (36.8%)
Almost always (16–30 times per month)	8 (4.7%)	4 (21.1%)

Notes:

^aValues are n (%).

^bp-values are for Fisher’s exact tests.

Statistically significant p-values are highlighted in bold for visibility.

^cHigh SRC prevalence sports included football, soccer, and women’s basketball [50,51].

Abbreviations: SRC: sports-related concussion; NHANES: National Health and Nutrition Examination Survey.