TABLE 1.

Demographics of People Who Use Kratom

	Frequency	Percent		Frequency	Percent
Age*			Insurance coverage*
18–20 yrs (+)	212	2.63	Private insurance through employer (+)	3808	47.31
21–30 yrs	2038	25.32	Private insurance through self-insurance	1127	14
31–40 yrs	2788	34.64	Medicaid	650	8.08
41–50 yrs	1646	20.45	Medicare or Medicare & supplement	620	7.7
51–60 yrs	966	12	No insurance	1134	14.09
61 yrs and older	391	4.86	Other	404	5.02
Do not wish to answer	8	0.1	Do not wish to answer	306	3.8
Sex*			Education*
Female	3468	43.09	Did not complete high school (+)	112	1.39
Male (+)	4581	56.91	High school graduate or equivalent	1269	15.77
Marital status*			Some college (eg, AA, AS, or no degree)	3785	47.02
Single/never married (+)	2612	32.45	Bachelor degree (eg, BA, BS, AB)	2013	25.01
Married	3639	45.21	Advanced degree (eg, MBA, MS, PhD, JD, MD)	828	10.29
Partnered	728	9.04	Do not wish to answer	42	0.52
Divorced	964	11.98
Widowed	106	1.32
Ethnicity*			Household income*
Black or African- American	61	0.76	Less than $20,000 (+)	944	11.73
American Indian or Alaska Native	97	1.21	$20,000–$24,999	681	8.46
Asian	95	1.18	$25,000–$34,999	897	11.14
Hispanic or Latino/a	275	3.42	$35,000–$49,999	1248	15.51
White (non-Hispanic) (+)	7195	89.39	$50,000–$74,999	1534	19.06
Other	164	2.04	$75,000 or more	2308	28.67
Do not wish to answer	162	2.01	Do not wish to answer	437	5.43
Employment status*
Employed for wages (+)	4574	56.83
Self-employed	1210	15.03
Out of work for 1 yr or more	124	1.54
Out of work for less than 1 yr	107	1.33
Homemaker	498	6.19
Student	455	5.65
Retired	288	3.58
Unable to work	683	8.49
Do not wish to answer	110	1.37

Chi-square test was used to compare groups with P < 0.05 as significance level.

^*P < 0.001 versus comparator group indicated by (+).