Table 2.

Bivariable and multivariable GEE^* analyses of factors associated with MMT discontinuation (n=1301).

Characteristic	Odds Ratio (95% CI)	p-Value	Adjusted Odds Ratio (95% CI)	p-Value
Age (yes vs. no)	0.96 (0.95−0.98)	<0.001	0.99 (0.98−1.01)	0.266
Sex (female vs. male)	1.06 (0.81−1.39)	0.674
White (yes vs. other)	1.05 (0.80−1.39)	0.718
Homelessnessa (yes vs. no)	2.43 (1.87−3.15)	<0.001	1.46 (1.09−1.95)	0.011
Binge alcohol usea (yes vs. no)	1.48 (1.12−1.96)	0.006	1.30 (0.97−1.74)	0.080
Daily crack cocainea (noninjection)
(yes vs. no)	1.18 (0.90−1.54)	0.241
Daily opioidsa (yes vs. no)	3.02 (1.88−4.84)	<0.001	2.18 (1.30−3.67)	0.003
Daily heroin injectiona (yes vs. no)	7.18 (5.62−9.16)	<0.001	5.17 (3.82−6.99)	<0.001
Daily cocaine injectiona (yes vs. no)	1.85 (1.27−2.69)	<0.001	0.90 (0.59−1.35)	0.594
Daily methamphetamine usea (yes vs. no)	1.75 (1.07−2.85)	0.025	1.02 (0.61−1.69)	0.951
Binge on drug injectiona (yes vs. no)	1.65 (1.25−2.17)	<0.001	0.98 (0.72−1.33)	0.897
HIVa (yes vs. no)	0.76 (0.58−1.01)	0.063	0.92 (0.70−1.20)	0.518
Incarceration (yes vs. no)	2.29 (1.64−3.20)	<0.001	1.46 (1.01−2.12)	0.046
No Income assistance (yes vs. no)	1.98 (1.25−3.14)	0.004	2.14 (1.33−3.46)	0.002
Proportion of visits on MMT
(>50% vs. ≤50%)	0.38 (0.29−0.50)	<0.001	0.63 (0.47−0.85)	0.002
Methadone dose
>60 to ≤100 mg vs ≤60 mg	0.62 (0.48−0.81)	<0.001	0.78 (0.59−1.03)	0.084
>100 mg vs ≤60 mg	0.28 (0.20−0.39)	<0.001	0.44 (0.31−0.62)	<0.001

^*Generalized Estimating Equations.

^aDenotes activity in the previous 6months.