Characteristics of participants
| No | Gender | Age | Education (years) | Marriage | Drug of choice | Years of MA use | Months of abstinence/admission before the interview | Types of abstinence treatments received | Employment | Environments during abstinence |
| 1 | Female | 34 | 12 | Married | MA | 2 | 14 | CDT | Unemployed | Home |
| 2 | Female | 52 | 9 | Married | MA | 1 | 18 | CDT | Unemployed | Home |
| 3 | Female | 47 | 9 | Married | MA | 9 | 17 | CDT | Unemployed | Home |
| 4 | Female | 32 | 9 | Divorced | MA | 7 | 12 | CDT | Unemployed | Home |
| 5 | Female | 36 | 9 | Divorced | MA | 1 | 8 | CDT | Employed | Home |
| 6 | Female | 30 | 6 | Married | MA | 1 | 21 | CDT | Unemployed | Home |
| 7 | Female | 42 | 12 | Divorced | Heroin, cannabis, MA | 7 | 17 | CDT | Unemployed | Home |
| 8 | Female | 23 | 9 | Single | Ketamine, cannabis, MA | 5 | 17 | CDT | Unemployed | Home |
| 9 | Female | 40 | 6 | Divorced | MA | 6 | 2 | CDT, CBDT | Employed | Moving to another community of Shanghai |
| 10 | Female | 36 | 6 | Married | MA | 3 | 2 | CDT, CBDT | Employed | Moving to another community of Shanghai |
| 11 | Female | 24 | 6 | Single | MA | 2 | 1 | CDT | Employed | Home |
| 12 | Female | 22 | 6 | Single | MA | 1 | 2 | CDT | Unemployed | Home |
| 13 | Female | 26 | 6 | Single | MA | 2 | 3 | CDT | Employed | Home |
| 14 | Female | 28 | 9 | Divorced | MA | 3 | 26 | CDT | Employed | Home |
| 15 | Female | 27 | 6 | Married | MA | 4 | 24 | CDT | Unemployed | Home |
| 16 | Female | 35 | 6 | Divorced | MA | 5 | 25 | CDT, CBDT, VDT | Unemployed | Moving to another community of Shanghai |
| 17 | Male | 45 | 9 | Divorced | Heroin, MA | 6 | 2 | CDT | Unemployed | Home |
| 18 | Male | 38 | 14 | Divorced | Heroin, MA | 10 | 2 | CDT | Employed | Home |
| 19 | Male | 33 | 12 | Married | MA | 1 | 2 | CDT | Employed | Home |
| 20 | Male | 27 | 9 | Married | MA | 2 | 2 | CDT | Employed | Home |
| 21 | Male | 33 | 9 | Divorced | MA | 1 | 2 | CDT | Employed | Home |
| 22 | Male | 36 | 9 | Single | MA | 10 | 2 | CDT | Employed | Home |
| 23 | Male | 33 | 9 | Single | MA | 2 | 2 | CDT | Employed | Home |
| 24 | Male | 36 | 9 | Single | MA | 7 | 5 | CDT | Employed | Home |
| 25 | Male | 38 | 14 | Married | Ketamine, MA | 4 | 24 | CDT, CBDT, VDT | Unemployed | Home |
| 26 | Male | 27 | 9 | Married | MA | 5 | 25 | CDT, CBDT | Employed | Home |
| 27 | Male | 33 | 9 | Single | MA, cocaine | 5 | 12 | CDT, CBDT | Unemployed | Home |
| 28 | Male | 33 | 9 | Single | MA | 2 | 8 | CDT | Employed | Home |
| 29 | Male | 36 | 9 | Married | MA | 6 | 1 | CDT | Employed | Moving to another community of Shanghai |
| 30 | Male | 28 | 9 | Divorced | Ketamine, MA | 3 | 6 | CDT | Unemployed | Home |
| 31 | Male | 45 | 9 | Married | Heroin, MA | 6 | 6 | CDT, CBDT | Employed | Moving to another community of Shanghai |
| 32 | Male | 38 | 9 | Married | Heroin, MA | 6 | 6 | CDT, CBDT | Employed | Home |
CBDT, community-based drug treatment; CDT, compulsory detoxification therapy; MA, methamphetamine; VDT, voluntary detoxification treatment.