Factors Related to Addiction Treatment Motivations; Validity and Reliability of an Instrument.

Background: Understanding the motives and reasons for drug treatment is very important. This study aimed to develop a psychometric evaluation to determine the reasons for addiction treatment among outpatients referred to addiction treatment clinics.

Methods: This cross-sectional validation study included five phases (i) Item generation (ii) Making an initial questionnaire (iii) Content validity (iv) Reliability analysis and (v) Structure validity.