Table 2:

Quantile dependent effects from a random intercept repeated measures, quantile regression model analyzing the trend in average daily MMEs among chronic opioid users in the year prior to buprenorphine initiation.

Quantile and Effect	$\beta \left(\Delta \frac{MeanDailyMME}{Month}\right)$	Std. Error	Pr(>|t|)	Quantile andEffect	$\beta \left(\Delta \frac{MeanDailyMME}{Month}\right)$	Std. Error	Pr(>|t|)
0.25				0.75
12–10 Months1	−2.33	0.68	***	12–10 Months	−1.65	0.49	***
10–8 Months	1.33	0.33	***	10–8 Months	0.33	0.26
8–6 Months	−0.67	0.32	*	8–6 Months	−1.01	0.35	***
6–4 Months	−1.00	0.45	*	6–4 Months	−0.15	0.20
4–2 Months	−2.26	0.54	***	4–2 Months	−0.36	0.22
2–0 Months	−11.24	0.66	***	2–0 Months	−1.61	0.35	***
0.5				0.9
12–10 Months	0.00	0.15		12–10 Months	−0.65	1.46
10–8 Months	0.00	0.01		10–8 Months	−1.42	0.84	*
8–6 Months	0.00	0.01		8–6 Months	−2.63	0.81	***
6–4 Months	0.00	0.00		6–4 Months	0.00	0.67
4–2 Months	−0.50	0.18	**	4–2 Months	0.13	0.65
2–0 Months	−7.03	0.37	***	2–0 Months	−4.05	0.65	***

^*P<0.05,

^**P<0.01,

^***P<0.001

¹Months prior to buprenorphine induction