کد مقاله کد نشریه سال انتشار مقاله انگلیسی نسخه تمام متن
899429 915382 2010 6 صفحه PDF دانلود رایگان
عنوان انگلیسی مقاله ISI
Psychometric validation of the Leeds Dependence Questionnaire (LDQ) in a young adult clinical sample
موضوعات مرتبط
علوم زیستی و بیوفناوری علم عصب شناسی علوم اعصاب رفتاری
پیش نمایش صفحه اول مقاله
Psychometric validation of the Leeds Dependence Questionnaire (LDQ) in a young adult clinical sample
چکیده انگلیسی

ObjectiveMeasures of substance dependence severity that are both clinically efficient and sensitive to change can facilitate assessment of clinical innovation necessary for improving current evidence-based practices. The Leeds Dependence Questionnaire (LDQ) is a 10-item, continuous, self-report measure of dependence that is not specific to any particular substance and has shown promise in preliminary psychometric research. The present study investigates its psychometric properties in a large clinical sample of young adults.MethodYoung adults (N = 300) were enrolled in a naturalistic treatment process and outcome study of residential substance dependence treatment (mean age 20.4 [1.6], range 18–25; 27% female; 95% White). Dependence severity by demographic and diagnostic groupings, factor structure and internal consistency, and criterion- and construct-related validity were examined.ResultsDependence severity in this cohort of youth overall was high (M = 18.65 [8.65]). LDQ scores were highest among opiate and stimulant users, and there was a trend for higher scores among women compared to men (t = 1.869, p = .063). Factor analysis using a robust alpha factoring extraction revealed a single factor accounting for 63% of the variance in reported dependence severity. The internal consistency was also very high (alpha = .93). Concurrent and convergent validity with dependence criteria, substance use frequency, and general symptom severity, respectively, were also acceptable.ConclusionsThe LDQ shows considerable promise as a brief, psychometrically sound, measure of substance dependence useful across a variety of substances, that has clinical and research utility. This study supports its use among young adults.

ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Addictive Behaviors - Volume 35, Issue 4, April 2010, Pages 331–336
نویسندگان
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