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Author: Reed, Mark B.

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1.	Shillington, Audrey M. Clapp, John D. Reed, Mark B.
1.	The Stability of Self-Reported Marijuana Use across Eight Years of the National Longitudinal Survey of Youth Journal of Child and Adolescent Substance Abuse 20,5 (2011): 407-420. Also: http://www.tandfonline.com/toc/wcas20/20/5 Cohort(s): Children of the NLSY79, NLSY79 Young Adult Publisher: Taylor & Francis Group Keyword(s): Adolescent Behavior; Child Self-Administered Supplement (CSAS); Drug Use; Gender Differences; Racial Differences; Self-Reporting; Substance Use Permission to reprint the abstract has not been received from the publisher. This study examined teen marijuana report stability over 8 years. The stability of self-reports refers to the consistency of self-reported use across several years. This study used fives waves of data across 8 years from the National Longitudinal Survey of Youth. Analyses were conducted to examine the internal or within-wave consistency as well as external or across-waves consistency for self-reported marijuana use. Further tests were conducted to identify if there were any differences for age, ethnicity, and sex for report consistency. Report stability was higher for lifetime use reports than the age of onset reports. Wave-by-wave differences revealed stability remained at acceptable levels in nearly all comparisons at agreement being about 75%. Overall, report agreement was higher for females, older adolescents, and non-Hispanic/non-black youths in bivariate analyses. However, only older chronological age remained consistently significantly associated with better report stability in multiple logistic regression models. Implications regarding misclassification of users for prevention programs and measurement issues are discussed.
	Bibliography Citation Shillington, Audrey M., John D. Clapp and Mark B. Reed. "The Stability of Self-Reported Marijuana Use across Eight Years of the National Longitudinal Survey of Youth." Journal of Child and Adolescent Substance Abuse 20,5 (2011): 407-420.

2.	Shillington, Audrey M. Clapp, John D. Reed, Mark B. Woodruff, Susan I.
2.	Adolescent Alcohol Use Self-Report Stability: A Decade of Panel Study Data Journal of Child and Adolescent Substance Abuse 20,1 (January 2011): 63-81. Also: http://www.tandfonline.com/doi/abs/10.1080/1067828X.2011.534366 Cohort(s): Children of the NLSY79, NLSY79 Young Adult Publisher: Haworth Press, Inc. Keyword(s): Adolescent Behavior; Alcohol Use; Child Self-Administered Supplement (CSAS); Gender Differences; Life Course; Racial Differences; Self-Reporting This study analyzed six waves of panel data from the National Longitudinal Survey of Youth (NLSY). These analyses were conducted to test the stability of self-reported lifetime use and age of onset. Intraclass correlation coefficients (ICCs) indicated that the stability of age of onset reports decreased with longer time frames between follow-ups. The percentage of youths who had discrepancies in self-reported ever use of alcohol at two-year follow-up ranged from 15% to 35%. Higher discrepancy rates were found for males and younger respondents. Differences in report stability as a function of race/ethnicity were minimal. Questions related to lifetime use and age of onset have implications for the study of lifetime trajectories of use and the timing of prevention programs. [ABSTRACT FROM AUTHOR] Copyright of Journal of Child & Adolescent Substance Abuse is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
	Bibliography Citation Shillington, Audrey M., John D. Clapp, Mark B. Reed and Susan I. Woodruff. "Adolescent Alcohol Use Self-Report Stability: A Decade of Panel Study Data." Journal of Child and Adolescent Substance Abuse 20,1 (January 2011): 63-81.

3.	Shillington, Audrey M. Reed, Mark B. Clapp, John D.
3.	Self-Report Stability of Adolescent Cigarette Use Across Ten Years of Panel Study Data Working Paper, Center for Alcohol and Other Drug Studies and Services, School of Social Work, College of Health and Human Services, San Diego State University, [N.D.]. Also: http://centerforaod.sdsu.edu/Paper-Cig-Report-Stability-Shillington-all.pdf Cohort(s): NLSY79 Young Adult Publisher: School of Social Work, San Diego State University Keyword(s): Adolescent Behavior; Cigarette Use (see Smoking); Ethnic Differences; Gender Differences; Racial Differences; Self-Reporting; Smoking (see Cigarette Use) Permission to reprint the abstract has not been received from the publisher. This study is the first to examine adolescent cigarette report stability over ten years. Six waves of data were utilized from the National Longitudinal Survey of Youth. This study examined internal/logical consistency and external consistency. Report stability was higher for lifetime use reports than the age of onset reports. Wave-by-wave differences revealed stability increased across time with one third denying use in the first two wave comparisons but dropping to twenty percent by the last comparison. Overall, report agreement was higher for females, older adolescents, and Non-Hispanic/Non-Black youth. Implications regarding misclassification of users for prevention programs and measurement issues are discussed.
	Bibliography Citation Shillington, Audrey M., Mark B. Reed and John D. Clapp. "Self-Report Stability of Adolescent Cigarette Use Across Ten Years of Panel Study Data." Working Paper, Center for Alcohol and Other Drug Studies and Services, School of Social Work, College of Health and Human Services, San Diego State University, [N.D.].

4.	Shillington, Audrey M. Reed, Mark B. Clapp, John D.
4.	Self-Report Stability of Adolescent Cigarette Use Across Ten Years of Panel Study Data. Journal of Child and Adolescent Substance Abuse 19,2 (April 2010): 171-191. Also: http://www.tandfonline.com/doi/abs/10.1080/10678281003635089 Cohort(s): NLSY79 Young Adult Publisher: Haworth Press, Inc. Keyword(s): Adolescent Behavior; Cigarette Use (see Smoking); Gender Differences; Self-Reporting This study is the first to examine adolescent cigarette report stability over 10 years. Six waves of data were utilized from the National Longitudinal Survey of Youth. This study examined internal/logical consistency and external consistency. Report stability was higher for lifetime use reports than the age of onset reports. Wave-by-wave differences revealed stability increased across time, with one-third denying use in the first two wave comparisons but dropping to 20% by the last comparison. Overall, report agreement was higher for females, older adolescents, and non-Hispanic/non-black youths. Implications regarding misclassification of users for prevention programs and measurement issues are discussed. [ABSTRACT FROM AUTHOR] Copyright of Journal of Child & Adolescent Substance Abuse is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
	Bibliography Citation Shillington, Audrey M., Mark B. Reed and John D. Clapp. "Self-Report Stability of Adolescent Cigarette Use Across Ten Years of Panel Study Data." Journal of Child and Adolescent Substance Abuse 19,2 (April 2010): 171-191.

5.	Shillington, Audrey M. Reed, Mark B. Clapp, John D. Woodruff, Susan I.
5.	Testing the Length of Time Theory of Recall Decay: Examining Substance Use Report Stability With 10 Years of National Longitudinal Survey of Youth Data Substance Use and Misuse 46,9 (July 2011):1105-1112. Also: http://informahealthcare.com/doi/abs/10.3109/10826084.2010.548436 Cohort(s): Children of the NLSY79, NLSY79 Young Adult Publisher: Marcel Dekker Keyword(s): Alcohol Use; Child Self-Administered Supplement (CSAS); Cigarette Use (see Smoking); Ethnic Differences; Modeling; Racial Differences; Self-Reporting; Smoking (see Cigarette Use); Time Theory Permission to reprint the abstract has not been received from the publisher. Aim: This article examines whether the proportion of recanters increases (or decreases) as a function of time o [sic] test length of time theory. Sample: 2,221 US respondents in the National Longitudinal Survey of Youth child data. Bivariate and logistic regression analyses were used. Results: Among recanters, 50% of cigarette and alcohol users recanted use by 4 years, and 50% of marijuana users recanted by 3 years. Predictors of recanting was being Black or Hispanic and younger age. The theory was not supported. Further research is needed to identify potential reasons why adolescents recant their use is such a short time span. The study's limitations are noted. Copyright of Substance Use & Misuse is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites or posted to a listserv without the copyright holder's express written permission. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
	Bibliography Citation Shillington, Audrey M., Mark B. Reed, John D. Clapp and Susan I. Woodruff. "Testing the Length of Time Theory of Recall Decay: Examining Substance Use Report Stability With 10 Years of National Longitudinal Survey of Youth Data." Substance Use and Misuse 46,9 (July 2011):1105-1112.

6.	Shillington, Audrey M. Woodruff, Susan I. Clapp, John D. Reed, Mark B. Lemus, Hector
6.	Self-Reported Age of Onset and Telescoping for Cigarettes, Alcohol, and Marijuana: Across Eight Years of the National Longitudinal Survey of Youth Journal of Child and Adolescent Substance Abuse 21,4 (September 2012): 333-348. Also: http://www.tandfonline.com/doi/abs/10.1080/1067828X.2012.710026 Cohort(s): NLSY79 Publisher: Taylor & Francis Group Keyword(s): Adolescent Behavior; Age and Ageing; Alcohol Use; Drug Use; Smoking (see Cigarette Use) Permission to reprint the abstract has not been received from the publisher. Smoking, drinking, and illicit drug use are leading causes of morbidity and mortality, both during adolescence as well as later in life. The determination of how well national and local policy and intervention efforts address teen substance use depends largely on the collection of valid and accurate data. Assessments of substance use rely heavily on retrospective self-report measures, but the reliability and validity, however, may be limited by various sources of measurement error. This study utilizes four waves of data from the National Longitudinal Survey of Youth spanning eight years. Results from multiple linear regression analyses showed that the single most consistent variable associated with telescoping was the number of years since the substance was first reported. Time since first report was the single consistent variable and was strongly associated with telescoping in each wave-to-wave comparison for all three substances under study. Implications for policy and research are discussed.
	Bibliography Citation Shillington, Audrey M., Susan I. Woodruff, John D. Clapp, Mark B. Reed and Hector Lemus. "Self-Reported Age of Onset and Telescoping for Cigarettes, Alcohol, and Marijuana: Across Eight Years of the National Longitudinal Survey of Youth." Journal of Child and Adolescent Substance Abuse 21,4 (September 2012): 333-348.

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