Table 3.

Correlation coefficients and significance levels among selected variables (N = 900)

	1	2	3	4	5	6	7
1. Access to care
2. Age	0.10**
3. Married	0.09**	0.29**
4. Family annual income	0.04	−0.08*	0.05
5. Years of education	0.02	−0.22**	−0.13**	0.03
6. MMT	0.25**	−0.02	−0.07*	−0.02	0.15**
7. NEP	0.10**	−0.01	−0.06	−0.01	0.09**	0.10**
8. Drug-related stigma	−0.14**	0.06	−0.04	−0.07*	0.11**	−0.02	0.02

^*P < 0.05;

^**P < 0.01.

MMT, methadone maintenance treatment; NEP, needle exchange program.