Schizophrenia Research
Volume 84, Issue 2 , Pages 289-296 , June 2006

Over-representation of Maori New Zealanders among adolescents in a schizotypy taxon

  • Richard J. Linscott

      Affiliations

    • Department of Psychology, University of Otago, P. O. Box 56, Dunedin, New Zealand
    • Corresponding Author InformationCorresponding author. Tel.: +64 3 4795689; fax: +64 3 4798335.
  • ,
  • Dannette Marie

      Affiliations

    • Department of Psychology, University of Canterbury, Christchurch, New Zealand
  • ,
  • Kelly L. Arnott

      Affiliations

    • Department of Psychology, University of Otago, P. O. Box 56, Dunedin, New Zealand
  • ,
  • Bronwyn L. Clarke

      Affiliations

    • Department of Psychology, University of Otago, P. O. Box 56, Dunedin, New Zealand

Received 12 December 2005 ,Revised 2 February 2006 ,Accepted 2 February 2006.

References 

  1. American Psychiatric Association . Diagnostic and Statistical Manual of Mental Disorders. fourth ed.. Washington, DC: American Psychiatric Association; 2000;text rev.
  2. Arseneault L, Cannon M, Poulton R, Murray R, Caspi A, Moffitt TE. Cannabis use in adolescence and risk for adult psychosis: longitudinal prospective study. Br. Med. J. 2002;325:1212–1213
  3. Bates MN, Buckland SJ, Garrett N, Ellis H, Needham LL, Patterson DG, et al. Persistent organochlorines in the serum of the non-occupationally exposed New Zealand population. Chemosphere. 2004;54:1431–1443
  4. Blanchard JJ, Horan WP, Collins LM. Examining the latent structure of negative symptoms: is there a distinct subtype of negative symptom schizophrenia. Schizophr. Res. 2005;77:151–165
  5. Brekke JS, Barrio C. Cross-ethnic symptom differences in schizophrenia: the influence of culture and minority status. Schizophr. Bull. 1997;23:305–316
  6. Cantor-Graae E, Selten J-P. Schizophrenia and migration: a meta-analysis and review. Am. J. Psychiatry. 2005;162:12–24
  7. Capozza D, Volpato C, Falvo R. Scientific communication and stereotype change. J. Appl. Soc. Psychol. 2003;33:1501–1529
  8. Claridge G, Broks P. Schizotypy and hemispheric function—I. Theoretical considerations and the measurement of schizotypy. Pers. Individ. Differ. 1984;5:633–648
  9. Craig ED, Mantell CD, Ekeroma AJ, Stewart AW, Mitchell EA. Ethnicity and birth outcome: New Zealand trends 1980–2001. Part 1. Introduction, methods, results and overview. Aust. N. Z. J. Obstet. Gynaecol. 2004;44:530–536
  10. Drukker M, Buka SL, Kaplan C, McKenzie K, van Os J. Social capital and young adolescents' perceived health in different sociocultural settings. Soc. Sci. Med. 2005;61:185–198
  11. Eaton W, Harrison G. Ethnic disadvantage and schizophrenia. Acta Psychiatr. Scand. 2000;102(suppl. 407):38–43
  12. Ellis PM, Collings SCD. Mental Health in New Zealand from a Public Health Perspective. Wellington, New Zealand: Ministry of Health; 1997;
  13. Fergusson DM, Horwood LJ. Cannabis use and dependence in a New Zealand birth cohort. N.Z. Med. J. 2000;113:156–158
  14. Fergusson DM, Horwood LJ, Ridder EM. Tests of causal linkages between cannabis use and psychotic symptoms. Addiction. 2005;100:354–366
  15. Flaskerud JH, Hu L-T. Relationship of ethnicity to psychiatric diagnosis. J. Nerv. Ment. Dis. 1992;180:296–303
  16. Golden RR, Meehl PE. Detection of the schizoid taxon with MMPI indicators. J. Abnorm. Psychol. 1979;88:217–233
  17. Grove, W.M., 2003. MAXEIGwmg taxometric procedure (version June 29, 2003). Minneapolis, MN. http://www.psych.umn.edu/faculty/grove/computer-code.htm.
  18. Grove, W.M., 2004. MAXCOVwmg taxometric procedure (version February 17, 2004). Minneapolis, MN. http://www.psych.umn.edu/faculty/grove/computer-code.htm.
  19. Harrison G, Glazebrook C, Brewin J, Cantwell R, Dalkin T, Fox R, et al. Increased incidence of psychotic disorders in migrants from the Caribbean to the United Kingdom. Psychol. Med. 1997;27:799–806
  20. Haslam N. The dimensional view of personality disorders: a review of the taxometric evidence. Clin. Psychol. Rev. 2003;23:75–93
  21. Jordan JS, Harvey JH, Weary G. Attributional biases in clinical decision making. In:  Turk DC,  Salovey P editor. Reasoning, Inference, and Judgment in Clinical Psychology. New York: Free Press; 1988;p. 90–106
  22. Kertzer DI, Arel D. Census and Identity: The Politics of Race, Ethnicity, and Language in National Censuses. Cambridge, UK: Cambridge University Press; 2002;
  23. Lenzenweger MF. Psychometric high-risk paradigm, perceptual aberrations, and schizotypy: an update. Schizophr. Bull. 1994;20:121–135
  24. Lenzenweger MF, Korfine L. Tracking the taxon: on the latent structure and base rate of schizotypy. In:  Raine A,  Lencz T,  Mednick SA editor. Schizotypal Personality. Cambridge, UK: Cambridge University Press; 1995;p. 135–167
  25. Lin SS, Kelsey JL. Use of race and ethnicity in epidemiologic research: concepts, methodological issues, and suggestions for research. Epidemiol. Rev. 2000;22:187–202
  26. Linscott RJ, Knight RG. Potentiated automatic memory in schizotypy. Pers. Individ. Diff. 2004;37:1503–1517
  27. Mantell CD, Craig ED, Stewart AW, Ekeroma AJ, Mitchell EA. Ethnicity and birth outcome: New Zealand trends 1980–2001: part 2. Pregnancy outcomes for Maori women. Aust. N. Z. J. Obstet. Gynaecol. 2004;44:537–540
  28. Meehl PE. Toward an integrated theory of schizotaxia, schizotypy, and schizophrenia. J. Pers. Disord. 1990;4:1–99
  29. Meehl PE. Factors and taxa, traits and types, differences of degree and differences in kind. J. Pers. 1992;60:117–174
  30. Meehl PE. Clarifications about taxometric method. Appl. Prev. Psychol. 1999;8:165–174
  31. Meehl PE, Yonce LJ. Taxometric analysis: II. Detecting taxonicity using covariance of two quantitative indicators in successive intervals of a third indicator (MAXCOV procedure). Psychol. Rep. 1996;78:1091–1227
  32. Minsky S, Vega W, Miskimen T, Gara M, Escobar J. Diagnostic patterns in Latino, African American, and European American psychiatric patients. Arch. Gen. Psychiatry. 2003;60:637–644
  33. Neighbors HW, Trierweiler SJ, Ford BC, Muroff JR. Racial differences in DSM diagnosis using a semi-structured instrument: the importance of clinical judgment in the diagnosis of African Americans. J. Health Soc. Behav. 2003;44:237–256
  34. R Development Core Team . R: A Language and Environment for Statistical Computing (Version 2.0.1). Vienna, Austria: R Foundation for Statistical Computing; 2004;
  35. Raine A. The SPQ: a scale for the assessment of schizotypal personality based on DSM-III-R criteria. Schizophr. Bull. 1991;17:555–564
  36. Ritchie JE. Cultural time out: generalized therapeutic sociocultural mechanisms among the Maori. In:  Lebra WP editors. Mental Health Research in Asia and the Pacific: Culture-Bound Syndromes, Ethnopsychiatry, and Alternative Therapies. Honolulu, Hawaii: University Press of Hawaii; 1976;p. 201–209
  37. Sharpley MS, Peters ER. Ethnicity, class and schizotypy. Soc. Psychiatry Psychiatr. Epidemiol. 1999;34:507–512
  38. Statistics New Zealand . New Zealand Census of Population and Dwellings, Individual Form. Wellington, NZ: Statistics New Zealand; 2001;http://www.stats.govt.nz/census.htm
  39. Trierweiler SJ, Neighbors HW, Munday C, Thompson EE, Binion VJ, Gomez JP. Clinician attributions associated with the diagnosis of schizophrenia in African American and non-African American patients. J. Consult. Clin. Psychol. 2000;68:171–175
  40. van Os J. Does the urban environment cause psychosis?. Br. J. Psychiatry. 2004;184:287–288
  41. van Os J, Marcelis M. The ecogenetics of schizophrenia: a review. Schizophr. Res. 1998;32:127–135
  42. van Os J, Pedersen CB, Mortensen PB. Confirmation of synergy between urbanicity and familial liability in the causation of psychosis. Am. J. Psychiatry. 2004;161:2312–2314
  43. Venables PH, Wilkins S, Mitchell DA, Raine A, Bailes K. A scale for the measurement of schizotypy. Pers. Individ. Differ. 1990;11:481–495
  44. Waller NG, Meehl PE. Multivariate Taxometric Procedures: Distinguishing Types from Continua. Thousand Oaks, CA: Sage; 1998;

PII: S0920-9964(06)00070-3

doi: 10.1016/j.schres.2006.02.006

Schizophrenia Research
Volume 84, Issue 2 , Pages 289-296 , June 2006