Table 1.

Athlete demographic information.

	Men		Women
	Club n = 14	Varsity n = 11	Club n = 18	Varsity n = 22
Age (years ± SD)	19.8 ± 2.1	20.4 ± 1.3	19.9 ± 2.0	19.6 ± 1.2
Race/ethnicity (n)
White	8	11	6	12
Hispanic/Latino	4	0	8	5
Asian	1	0	3	0
Hawaiian/Pacific Islander	1	0	1	0
Not Reported	0	0	0	5
Lifetime years playing water polo (years ± SD)	5.8 ± 2.4	9.8 ± 3.3	5.8 ± 3.4	9.5 ± 3.1
Months playing water polo in prior year (months ± SD)	7.0 ± 3.9	11.7 ± .6	6.9 ± 4.7	10.6 ± 1.2
Average time spent playing in prior year (hours/week ± SD)	9.5 ± 3.1	21.3 ± 3.6	9.0 ± 2.6	16.3 ± 9.0
Number of players reporting prior mTBI (n/%)	2 (14%)	2 (19%)	4 (22%)	3(14%)