Latent class analysis of substance use: Comparison of two American Indian reservation populations and a national sample

Nancy R. Whitesell, Janette Beals, Christina M. Mitchell, Douglas K. Novins, Paul Spicer, Spero M. Manson, Cecelia K. Big Crow, Dedra Buchwald, Buck Chambers, Michelle L. Christensen, Denise A. Dillard, Karen DuBray, Paula A. Espinoza, Candace M. Fleming, Ann Wilson Frederick, Joseph Gone, Diana Gurley, Lori L. Jervis, Shirlene M. Jim, Carol E. KaufmanEllen M. Keane, Suzell A. Klein, Denise Lee, Monica C. McNulty, Denise L. Middlebrook, Laune A. Moore, Tilda D. Nez, Ilena M. Norton, Theresa O'Nell, Heather D. Orton, Carlette J. Randall, Angela Sam, James H. Shore, Sylvia G. Simpson, Lorette Yazzie

Research output: Contribution to journalArticle

Abstract

Objective: Our goal was to carefully examine disparities in substance use between two American Indian reservation communities and a national sample. We sought to identify characteristic patterns of use-both across and within samples-that could be used to inform intervention efforts aimed at reducing disparities. Method: Latent class analyses were used to identify subgroups within each sample that were characterized by distinctive patterns of use of alcohol and eight drugs; the use patterns and prevalence of subgroups were then compared across samples. American Indian data were from the American Indian Service Utilization, Psychiatric Epidemiology, Risk and Protective Factors Project (AI-SUPERPFP; N = 2,647), which comprised participants from two distinct cultural groups in the Southwest (SW; n = 1,244; 57% female) and Northern Plains (NP; n = 1,443; 52% female). National data were from the public use file of the 1999 National Household Survey of Drug Abuse (NHSDA; N = 39,152; 52% female). Results: Four classes of lifetime users (abstainers, primarily alcohol users, primarily alcohol and marijuana users, and polysubstance users) and three classes of past-year users (abstainers, primarily alcohol users, and alcohol and drug users) were identified in each sample (SW, NP, NHSDA). Despite consistency in classes of users found across these samples, there were notable sample differences in class prevalence. The modal class for lifetime use, for example, was primarily alcohol users in the SW and NHSDA, and primarily alcohol and marijuana use in the NP. The concordance of lifetime and past-year use classes also varied across the three samples, and examination of past-year abstainers in conjunction with lifetime-use class suggested potentially important differences in the stability of substance-use patterns over time. Conclusions: Our findings highlight the utility of latent class techniques for understanding substance use, comparing substance use across populations and identifying key points of intervention, prevention, and treatment within different communities.

Original languageEnglish (US)
Pages (from-to)32-43
Number of pages12
JournalJournal of Studies on Alcohol
Volume67
Issue number1
StatePublished - Jan 2006
Externally publishedYes

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North American Indians
American Indian
Alcohols
alcohol
Population
Cannabis
Pharmaceutical Preparations
Epidemiology
drug
Drug Users
Substance-Related Disorders
Psychiatry
artificial intelligence
household survey
drug abuse
epidemiology
community
utilization
examination

ASJC Scopus subject areas

  • Medicine (miscellaneous)
  • Psychology(all)

Cite this

Whitesell, N. R., Beals, J., Mitchell, C. M., Novins, D. K., Spicer, P., Manson, S. M., ... Yazzie, L. (2006). Latent class analysis of substance use: Comparison of two American Indian reservation populations and a national sample. Journal of Studies on Alcohol, 67(1), 32-43.

Latent class analysis of substance use : Comparison of two American Indian reservation populations and a national sample. / Whitesell, Nancy R.; Beals, Janette; Mitchell, Christina M.; Novins, Douglas K.; Spicer, Paul; Manson, Spero M.; Big Crow, Cecelia K.; Buchwald, Dedra; Chambers, Buck; Christensen, Michelle L.; Dillard, Denise A.; DuBray, Karen; Espinoza, Paula A.; Fleming, Candace M.; Frederick, Ann Wilson; Gone, Joseph; Gurley, Diana; Jervis, Lori L.; Jim, Shirlene M.; Kaufman, Carol E.; Keane, Ellen M.; Klein, Suzell A.; Lee, Denise; McNulty, Monica C.; Middlebrook, Denise L.; Moore, Laune A.; Nez, Tilda D.; Norton, Ilena M.; O'Nell, Theresa; Orton, Heather D.; Randall, Carlette J.; Sam, Angela; Shore, James H.; Simpson, Sylvia G.; Yazzie, Lorette.

In: Journal of Studies on Alcohol, Vol. 67, No. 1, 01.2006, p. 32-43.

Research output: Contribution to journalArticle

Whitesell, NR, Beals, J, Mitchell, CM, Novins, DK, Spicer, P, Manson, SM, Big Crow, CK, Buchwald, D, Chambers, B, Christensen, ML, Dillard, DA, DuBray, K, Espinoza, PA, Fleming, CM, Frederick, AW, Gone, J, Gurley, D, Jervis, LL, Jim, SM, Kaufman, CE, Keane, EM, Klein, SA, Lee, D, McNulty, MC, Middlebrook, DL, Moore, LA, Nez, TD, Norton, IM, O'Nell, T, Orton, HD, Randall, CJ, Sam, A, Shore, JH, Simpson, SG & Yazzie, L 2006, 'Latent class analysis of substance use: Comparison of two American Indian reservation populations and a national sample', Journal of Studies on Alcohol, vol. 67, no. 1, pp. 32-43.
Whitesell NR, Beals J, Mitchell CM, Novins DK, Spicer P, Manson SM et al. Latent class analysis of substance use: Comparison of two American Indian reservation populations and a national sample. Journal of Studies on Alcohol. 2006 Jan;67(1):32-43.
Whitesell, Nancy R. ; Beals, Janette ; Mitchell, Christina M. ; Novins, Douglas K. ; Spicer, Paul ; Manson, Spero M. ; Big Crow, Cecelia K. ; Buchwald, Dedra ; Chambers, Buck ; Christensen, Michelle L. ; Dillard, Denise A. ; DuBray, Karen ; Espinoza, Paula A. ; Fleming, Candace M. ; Frederick, Ann Wilson ; Gone, Joseph ; Gurley, Diana ; Jervis, Lori L. ; Jim, Shirlene M. ; Kaufman, Carol E. ; Keane, Ellen M. ; Klein, Suzell A. ; Lee, Denise ; McNulty, Monica C. ; Middlebrook, Denise L. ; Moore, Laune A. ; Nez, Tilda D. ; Norton, Ilena M. ; O'Nell, Theresa ; Orton, Heather D. ; Randall, Carlette J. ; Sam, Angela ; Shore, James H. ; Simpson, Sylvia G. ; Yazzie, Lorette. / Latent class analysis of substance use : Comparison of two American Indian reservation populations and a national sample. In: Journal of Studies on Alcohol. 2006 ; Vol. 67, No. 1. pp. 32-43.
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abstract = "Objective: Our goal was to carefully examine disparities in substance use between two American Indian reservation communities and a national sample. We sought to identify characteristic patterns of use-both across and within samples-that could be used to inform intervention efforts aimed at reducing disparities. Method: Latent class analyses were used to identify subgroups within each sample that were characterized by distinctive patterns of use of alcohol and eight drugs; the use patterns and prevalence of subgroups were then compared across samples. American Indian data were from the American Indian Service Utilization, Psychiatric Epidemiology, Risk and Protective Factors Project (AI-SUPERPFP; N = 2,647), which comprised participants from two distinct cultural groups in the Southwest (SW; n = 1,244; 57{\%} female) and Northern Plains (NP; n = 1,443; 52{\%} female). National data were from the public use file of the 1999 National Household Survey of Drug Abuse (NHSDA; N = 39,152; 52{\%} female). Results: Four classes of lifetime users (abstainers, primarily alcohol users, primarily alcohol and marijuana users, and polysubstance users) and three classes of past-year users (abstainers, primarily alcohol users, and alcohol and drug users) were identified in each sample (SW, NP, NHSDA). Despite consistency in classes of users found across these samples, there were notable sample differences in class prevalence. The modal class for lifetime use, for example, was primarily alcohol users in the SW and NHSDA, and primarily alcohol and marijuana use in the NP. The concordance of lifetime and past-year use classes also varied across the three samples, and examination of past-year abstainers in conjunction with lifetime-use class suggested potentially important differences in the stability of substance-use patterns over time. Conclusions: Our findings highlight the utility of latent class techniques for understanding substance use, comparing substance use across populations and identifying key points of intervention, prevention, and treatment within different communities.",
author = "Whitesell, {Nancy R.} and Janette Beals and Mitchell, {Christina M.} and Novins, {Douglas K.} and Paul Spicer and Manson, {Spero M.} and {Big Crow}, {Cecelia K.} and Dedra Buchwald and Buck Chambers and Christensen, {Michelle L.} and Dillard, {Denise A.} and Karen DuBray and Espinoza, {Paula A.} and Fleming, {Candace M.} and Frederick, {Ann Wilson} and Joseph Gone and Diana Gurley and Jervis, {Lori L.} and Jim, {Shirlene M.} and Kaufman, {Carol E.} and Keane, {Ellen M.} and Klein, {Suzell A.} and Denise Lee and McNulty, {Monica C.} and Middlebrook, {Denise L.} and Moore, {Laune A.} and Nez, {Tilda D.} and Norton, {Ilena M.} and Theresa O'Nell and Orton, {Heather D.} and Randall, {Carlette J.} and Angela Sam and Shore, {James H.} and Simpson, {Sylvia G.} and Lorette Yazzie",
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T1 - Latent class analysis of substance use

T2 - Comparison of two American Indian reservation populations and a national sample

AU - Whitesell, Nancy R.

AU - Beals, Janette

AU - Mitchell, Christina M.

AU - Novins, Douglas K.

AU - Spicer, Paul

AU - Manson, Spero M.

AU - Big Crow, Cecelia K.

AU - Buchwald, Dedra

AU - Chambers, Buck

AU - Christensen, Michelle L.

AU - Dillard, Denise A.

AU - DuBray, Karen

AU - Espinoza, Paula A.

AU - Fleming, Candace M.

AU - Frederick, Ann Wilson

AU - Gone, Joseph

AU - Gurley, Diana

AU - Jervis, Lori L.

AU - Jim, Shirlene M.

AU - Kaufman, Carol E.

AU - Keane, Ellen M.

AU - Klein, Suzell A.

AU - Lee, Denise

AU - McNulty, Monica C.

AU - Middlebrook, Denise L.

AU - Moore, Laune A.

AU - Nez, Tilda D.

AU - Norton, Ilena M.

AU - O'Nell, Theresa

AU - Orton, Heather D.

AU - Randall, Carlette J.

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AU - Shore, James H.

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