Cross-sectional study of the severity of self-reported depressive symptoms in heroin users who participate in a methadone maintenance treatment program.
BACKGROUND
Methadone maintenance treatment (MMT) is widely recognized as an effective method of combatting narcotic addiction. MMT reduces heroin withdrawal symptoms and, thus, makes it possible to provide the psychological and social support that is essential to the rehabilitation of drug users.


OBJECTIVE
Compare the severity of depressive symptoms in heroin users who are currently receiving MMT to that of heroin users who are not receiving MMT.


METHODS
We administered the 13-item version of the Beck Depression Inventory (BDI-13) and a demographic history form to 929 heroin users who had been receiving MMT at nine methadone treatment clinics in three Chinese cities for an average of 9 months and to 238 heroin users who had enrolled in a MMT program at the centers but had not yet begun MMT.


RESULTS
Seventy-nine percent (188/238) of the untreated individuals reported depressive symptoms compared to 68% (628/929) of the individuals receiving MMT (χ (2)=11.69, p<0.001). The median (interquartile range) BDI score in the untreated group was 10.4 (7.9-11.4) compared to 8.0 (5.7-11.6) in the MMT group (Z=2.75, p=0.006). In the MMT group, there was a negative correlation between the severity of reported depressive symptoms and the duration of participation in the MMT program (rs =-0.24, Z=2.88, p=0.004). Multivariate linear regression analysis showed that after adjusting for all demographic variables the treated group still had less severe depressive symptoms than the untreated group. After adjusting for the effect of MMT treatment, depressive symptoms were more severe in heroin users who self-reported poor family relationships (standardized regression coefficient β=0.118, t=6.56, p<0.001) and in those who were divorced (β=0.120, t=3.73, p<0.001).


CONCLUSIONS
Moderate to severe depressive symptoms are common in heroin users. MMT is associated with lower levels of depressive symptoms in heroin users, but prospective randomized controlled trials are needed to determine whether or not MMT actually improves depressive symptoms in heroin users. Poor relationships with family members are also associated with depressive symptoms in heroin users; this suggests that treatment of heroin addiction needs to incorporate methods for helping heroin users repair the severed social relationships that their addiction has caused.
Weinan Vocational and Technical College, Shanxi, China.
Yafei
Y
Wu
National Institute on Drug Dependence, Peking University, Beijing, China.
Shiyan
S
Yan
China Academy of Chinese Medical Sciences, Beijing, China.
Yanping
Y
Bao
China Academy of Chinese Medical Sciences, Beijing, China.
Zhi
Z
Lian
China Academy of Chinese Medical Sciences, Beijing, China.
Zhi
Z
Qu
China Academy of Chinese Medical Sciences, Beijing, China ; Weinan Vocational and Technical College, Shanxi, China.
Zhimin
Z
Liu
China; depression; heroin abuse; methadone maintenance treatment
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