چکیده:
Objectives: The follow-up treatment or rehabilitation and monitoring of patients with drug
abuse disorders require an efficient tool with a convenient and short-time implementation to
measure psychological aspects of dependence. The Leeds Dependence Questionnaire (LDQ)
has such features; thus, the present study aimed at evaluating the validity and reliability of its
Persian version.
Methods: The current validation study explored the data obtained from 142 substance
dependent patients selected from drug addiction treatment centers in Tehran City, Iran. The
criterion-related validity of the Persian version of the LDQ was evaluated by measuring its
correlation with the Substance Dependence Severity Scale (SDSS). The construct validity of
the Persian version of the LDQ was evaluated using the General Health Questionnaire (GHQ).
Moreover, the internal consistency and reliability of this scale were calculated by Cronbach’s
alpha coefficient and test-retest reliability methods, respectively.
Results: The correlation coefficients between the LDQ and SDSS and GHQ were 0.773 and
0.780, respectively; the correlations were statistically significant (P<0.001). A Cronbach’s
alpha coefficient of 0.809 was obtained by investigating the internal consistency of the tool.
Test-retest reliability for a two-week interval was 0.963.
Discussion: The criterion-related validity, construct validity, internal consistency, and testretest
reliability values of the Persian version of the LDQ are approvable; therefore, it can be
applied as a valid and reliable tool on the Iranian population
خلاصه ماشینی:
Research Paper: The Validity and Reliability of the Persian Version of the Leeds Dependence Questionnaire Omid Massah1 /, Hassan Rafiey2* /, Schwann Shariatirad1,3 /, Seyed Ramin Radfar4 /, Elaheh Ahounbar1 /, Ali Farhoudian1,5 / 1.
2. 91 Article info: Received: 10 Dec 2018 Accepted: 25 Feb 2019 Available Online: 01 Apr 2019 Keywords: Leeds dependence questionnaire, Substance-related disorders, Iran ABSTRACT Objectives: The follow-up treatment or rehabilitation and monitoring of patients with drug abuse disorders require an efficient tool with a convenient and short-time implementation to measure psychological aspects of dependence.
Methods: The current validation study explored the data obtained from 142 substance dependent patients selected from drug addiction treatment centers in Tehran City, Iran.
The criterion-related validity of the Persian version of the LDQ was evaluated by measuring its correlation with the Substance Dependence Severity Scale (SDSS).
780, respectively; the correlations were statistically significant (P Discussion: The criterion-related validity, construct validity, internal consistency, and test-retest reliability values of the Persian version of the LDQ are approvable; therefore, it can be applied as a valid and reliable tool on the Iranian population.
The pres-ent research reported the successful validation of an applicable tool that measures substance dependence: The Persian version of the Leeds Dependence Questionnaire (LDQ).
In the next step, the Persian version of the questionnaire, as well as the Substance Dependence Severity Scale (SDSS) were performed to examine the criterion-related validity of the tool on a group of drug dependent patients started treatment for drug use disorders in the relevant settings in Tehran City, Iran.