Table 1.

Number of respondents, lifetime concussion prevalence, and average number of concussions.

	Number of respondents	Lifetime concussion prevalence	Average number of concussionsa
High school	606	193 (31.8%)	1.6 ± 0.1
College	199	102 (51.2%)	2.3 ± 0.1
Masters club	390	168 (43.1%)	2.5 ± 0.2
Attacker (A)	320	116 (36.25%)	2.0 ± 0.2
Utility (U)	397	104 (26.2%)	2.0 ± 0.1
2-m Offense (2mO)	227	83 (36.5%)	2.0 ± 0.1
2-m Defense (2mD)	273	108 (39.56%)	2.1 ± 0.1
Goalie (G)	255	120 (47.1%)	2.5 ± 0.2
Female	602	257 (43.5%)	2.1 ± 0.1
Male	889	266 (30.8%)	2.2. ± 0.1

^aAverage number of concussions in respondents reporting 1 or more concussions.