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Addiction. 2005 Feb;100(2):189-96.

Response consistency in young adolescents' drug use self-reports: a recanting rate analysis.

Author information

1
Institute of Child Care Research, Queen's University Belfast, Belfast, Northern Ireland, UK. a.percy@qub.ac.uk

Abstract

AIMS:

To assess the reliability of drug use reports by young respondents, this study examined the extent of recanting previous drug use reports within an ongoing longitudinal survey of adolescent drug use. Here, recanting was defined as a positive report of life-time drug use that was subsequently denied 1 year later. The covariates of recanting were also studied.

DESIGN:

An ongoing longitudinal survey of young adolescents (Belfast Youth Development Study) in Northern Ireland.

SETTING:

Pencil and paper questionnaires were administered to pupils within participating schools.

MEASUREMENTS:

Measures analysed included (a) recanting rates across 13 substances, (b) educational characteristics, (c) offending behaviour and (d) socio-economic status.

FINDINGS:

High levels of drug use recanting were identified, ranging from 7% of past alcohol use to 87% of past magic mushroom use. Recanting increased with the social stigma of the substance used. Denying past alcohol use was associated with being male, attending a catholic school, having positive attitudes towards school, having negative education expectations and not reporting any offending behaviour. Recanting alcohol intoxication was associated with being male and not reporting serious offending behaviour. Cannabis recanting was associated with having negative education expectations, receiving drugs education and not reporting serious offending behaviour.

CONCLUSIONS:

The high levels of recanting uncovered cast doubts on the reliability of drug use reports from young adolescents. Failure to address this response error may lead to biased prevalence estimates, particularly within school surveys and drug education evaluation trials.

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[Indexed for MEDLINE]

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