Table 2.

Buprenorphine and methadone maintenance treatment slopes.

Social Area (SA)	Buprenorphine 2004–2013		Methadone 2004–2011		2011–2013
	Slope	Sig.	Slope	Sig	Slope	Sig.
1 (L, L, L)	1.51	*	−0.45	*	0.73	*
2 (M,L,L)	1.28a	*	−1.00c	*	2.22	*
3 (M,H,L)	0.77b	*	−0.94c	*	4.98e	*
4 (M,L,H)	0.75b	*	−0.90	*	1.81
5.(H,M,H)	1.62	*	−2.60d	*	8.33f	*

Pairwise contrast significant using Bonferroni adjustment to account for 10 comparisons, p < 0.005.

^a2 < 5.

^b(3,4) < (1,2,5).

^c(2,3) < 1.

^d5 < (1,2,3,4).

^e3 > (1,2,4).

^f5 > (1,2,3,4).

^*Slope significant using Bonferroni adjustment to account for 5 tests, p < 0.01.