Table 1.

All codes applied to the sample kratom subreddit posts (N=280) made between June 2019 to July 2020, interrater agreements (versus disagreements), agreement percent, and the total number of codes applied.

Code	Concordant	Discordant	Total Codes Applied	% Agreement
Desirable kratom effects	137	32	169	81.07
Kratom dosing	120	17	137	87.59
Escalating dose over time	40	2	42	95.24
Titrating dose over time	14	8	22	63.64
SUD or dependence on non-kratom substance	104	29	133	78.20
Self-treatment for opioid drug withdrawal	85	18	103	82.52
Self-treatment for other drug withdrawal	11	6	17	64.71
Kratom as long-term opioid substitute	34	4	38	89.47
Self-treatment for chronic pain symptoms	53	5	58	91.38
Reports psychiatric symptoms or history	40	18	58	68.97
Self-treatment for depression	24	8	32	75.00
Self-treatment for anxiety	29	6	35	82.86
Self-treatment for other psychiatric symptoms	4	3	7	57.14
Polydrug use with kratom	130	25	155	83.87
Professed kratom addiction	160	23	183	87.43
Kratom Withdrawal	69	17	86	80.23
Kratom Tolerance	39	2	41	95.12
Adverse kratom effects	75	4	79	94.94
Desire to quit kratom	36	7	43	83.72
Quitting kratom	41	12	53	77.36
Kratom regulation discussion	28	2	30	93.33
Total	1,273	248	1,521	83.69