title: [Study on the time of retention and related influencing factors of patients receiving methadone maintenance treatment in Hunan province].
abstract: OBJECTIVE
  to explore the current situation and related influencing factors on the retention time of patients receiving methadone maintenance treatment (MMT).
  
  
  METHODS
  Information on basic situation and daily treatment of the patients were collected from the 7 MMT clinics opened in the pro-two batch in Hunan province. Retention rate and influencing factors were analyzed.
  
  
  RESULTS
  (1) The retention rates after 6 and 12 months of MMT became 72.06% and 49.65% respectively. (2) The retention rates of high-dosage group and low-dosage group were 85.03% and 68.03% after 6 months on MMT program while became 60.48% and 46.28% after 12 months of MMT respectively. (3) The mean retention time of HIV+ patients and HIV patients were 9.46 months and 8.62 months respectively during the 12 months follow-up observation, showing a significant difference. (4) Patients who took large dose methadone, did not share needles, at older age or HIV+, were prone to keep MMT at a long period.
  
  
  CONCLUSIONS
  The retention rates for 6 months and 12 months in the MMT program in Hunan province were similar to the national data. Dose, type of drug abuse, age and HIV status were related to the period of retention.
authors: School of Public Health of Central South University, Changsha, China.
authors: Xing-Li
authors: XL
authors: Li
authors: Hong-Zhuan
authors: HZ
authors: Tan
authors: Zhen-Qiu
authors: ZQ
authors: Sun
authors: Heng
authors: H
authors: Zhang
authors: Meng-Shi
authors: MS
authors: Chen
authors: Qiu-Ying
authors: QY
authors: Ou
mesh_terms: D000367:Age Factors; D002681:China; D005500:Follow-Up Studies; D018023:HIV Seronegativity; D006679:HIV Seropositivity / Q000150:complications; D006801:Humans; D008691:Methadone / Q000008:administration & dosage*; D016485:Needle Sharing / Q000706:statistics & numerical data; D010349:Patient Compliance / Q000706:statistics & numerical data*; D019966:Substance-Related Disorders / Q000150:complications / Q000534:rehabilitation*; D013997:Time Factors
chemical_list: D008691:Methadone