Abstract Background The EQ-5D is one of the most used generic health-related quality-of-
life (HRQOL) instruments worldwide. To make the EQ-5D suitable for use in economic …

Objectives The objective of this study is to obtain population norms and to assess test-retest
reliability of EQ-5D-5L and WHOQOL-BREF for the Indonesian population. Methods A …

Opioid-dependent patients show a high rate of psychiatric comorbidities. The prevalence
and characteristics of patients with dual diagnosis have not been well established in …

Background Both stigma and psychological distress affect quality of life (QOL). This study is
an attempt to determine the effects of these two factors on QOL and to explore possible …

Background and Objectives Comorbid attention deficit hyperactivity disorder (ADHD)
symptoms are highly prevalent among heroin‐dependent patients. We aim to investigate …

Background and Objectives Co‐occurring psychiatric disorders are among the difficulties
faced by patients with opioid dependence on methadone maintenance therapy (MMT). This …

Background High lifetime prevalence of major mental disorders and suicidality are common
among Opioid Agonist Treatment (OAT) service users and impact on the outcomes of OAT …

Background Quality of life must be one of the main purposes for the treatment of drug users,
requiring a better understanding of the association between the quality of life and the …

Background Substance abuse is a chronic phenomenon that affects many physical,
psychological, social, familial and economic elements. Abusers are left with severely …

Background Anxiety, an important factor that affects the therapeutic effect and preservation
rate of methadone maintenance treatment, has a high prevalence among MMT patients. This …