Table 1.

Demographics of Participants Who Completed Cholinesterase Testing.

	Preassessment		Postassessment
	Number of Participants	Percent of Participants	Number of Participants	Percent of Participants
Gender
Male	20	51.28	17	56.67
Female	18	46.15	13	43.33
Not reported	1	2.56	0	0.00
Age (years)
14	0	0.00	2	6.67
15	1	2.56	7	23.33
16	8	20.51	4	13.33
17	18	46.15	13	43.33
18	10	25.64	3	10.00
Not reported	2	5.13	1	3.33
Ethnicity
Mexican American, Latino, or Hispanic	All	100.00	All	100.00