The following is a list of publications by Gibbons, Hedeker, and colleagues that are of relevance to this area.

1. Gibbons R.D. Clark, D., & Davis J.M. A statistical model for the classification of imipramine response in depressed inpatients. Psychopharmacology, 78, 185-189, 1982.
2. Gibbons R.D. & Davis J.M. The price of beer and the salaries, of priest: a note on the analysis and display of longitudinal psychiatric data. Archives of General Psychiatry, 41, 1183-1184, 1984.
3. Gibbons R.D. & Bock R.D. Trend in Correlated Proportions. Psychometrika, 52, 113-124, 1987.
4. Gibbons, R.D., Hedeker, D., & Davis J.M. Regression toward the mean: More on the price of beer and the salaries of priests. Psychoneuroendocrinology, 12, 185-192, 1987.
5. Clark D.C. & Gibbons R.D. Does one nonlethal suicide attempt increase the risk for a subsequent nonlethal attempt? Medical Care, 25, 87-88, 1987.
6. Gibbons, R.D., Hedeker, D., Waternaux C., & Davis J.M.
   Random regression models: A comprehensive approach to the analysis of longitudinal psychiatric data. Psychopharmacological Bulletin, 24, 438-443, 1988.
7. Hedeker D., Gibbons R.D., Waternaux C., & Davis J.M.
   Investigating drug plasma levels and clinical response using random regression models. Psychopharmacological Bulletin, 25, 227-231, 1989.
8. Clark D.C., Gibbons R.D., Fawcett, J. & Sheftner W.A.
   What is the mechanism by which suicide attempts predispose to later suicide attempts? A mathematical model. Journal of Abnormal Psychology, 98, 1989.
9. Hedeker D., Gibbons R.D., & Davis J.M.
   Random regression models for multicenter clinical trials data.
   Psychopharmacological Bulletin, 27-1, 73-77, 1991.
10. Sharma, R.P., Hedeker, D., Pandey, G., Janicak, P.G., & Davis, J.M. (1992). A longitudinal study of plasma cortisol and depressive symptomatology by random regression analysis. Biological Psychiatry, 31:304-314.
11. Gibbons,R.D., Hedeker, D., Elkin I., Waternaux C.,
    Kraemer H.C., Greenhouse J.B., Shea M.T., Imber S.D., Sotsky S.M., & Watkins J.T. Some conceptual and statistical issues in analysis of longitudinal psychiatric data. Archives of General Psychiatry, 50, 739-750, 1993.
12. Gibbons, R.D. & Hedeker, D. Application of random-effects probit regression models. Journal of Clinical and Consulting Psychology, 62, 285-296, 1994.
13. Hedeker D., Gibbons R.D., & Flay B.R. Random regression models for clustered data: with an example from smoking prevention research.
    Journal of Clinical and Consulting Psychology, 62, 757-765, 1994.
14. Gibbons, R.D., Hedeker, D., Charles S.C., & Frisch P.
    A random-effects probit model for predicting medical malpractice claims. Journal of the American Statistical Association, 89, 760-767, 1994.
15. Hedeker D., & Gibbons R.D. A random-effects ordinal regression model for multilevel analysis. Biometrics, 50, 933-944, 1994.
16. Hedeker, D., McMahon, S. D., Jason, L. A., & Salina, D. (1994). Analysis of clustered data in community psychology: with an example from a worksite smoking cessation project.
    American Journal of Community Psychology, 22:595-615.
17. Hedeker, D., Flay, B. R., & Petraitis, J. (1996).
    Estimating individual influences of behavioral intentions: an applicaton of random-effects modeling to the theory of reasoned action. Journal of Consulting and Clinical Psychology, 64:109-120.
18. Hedeker, D. & Gibbons, R. D. (1996).
    MIXOR: a computer program for mixed-effects ordinal regression analysis. Computer Methods and Programs in Biomedicine, 49:157-176.
19. Hedeker, D. & Gibbons, R. D. (1996).
    MIXREG: a computer program for mixed-effects regression analysis with autocorrelated errors. Computer Methods and Programs in Biomedicine, 49:229-252.
20. Siddiqui, O., Hedeker, D., Flay, B.R., Hu, F.B. (1996).
    Intraclass correlation estimates in a school-based smoking prevention study: outcome and mediating variables by gender and ethnicity.
    American Journal of Epidemiology, 144:425-433.
21. Hedeker, D. & Mermelstein, R.J. (1996).
    Application of random-effects regression models in relapse research. Addiction, 91 (Supplement), S211-S229.
22. Hedeker, D. & Gibbons, R.D. (1997).
    Application of random-effects pattern-mixture models for missing data in longitudinal studies. Psychological Methods, 2, 64-78.
    

    RRMPAT.ZIP contains:
    - a DVI version of the paper created by LaTex (2 DVI files)
    - data and SAS code to perform the random-effects pattern mixture analysis

23. Hu, F.B. Goldberg, J., Hedeker, D., Flay, B.R., & Pentz, M.A. (1997).
    Comparison of population-averaged and subject-specific approaches for analyzing repeated binary outcomes. American Journal of Epidemiology, 147, 694-703.
24. Gibbons, R.D. & Hedeker, D. (1997).
    Random-effects probit and logistic regression models for three-level data. Biometrics, 53, 1527-1537.
25. Hu, F.B. Goldberg, J., Hedeker, D., & Henderson, W.G. (1998).
    Modeling ordinal responses from co-twin control studies.
    Statistics in Medicine, 17, 957-970.
26. Hedeker, D. & Mermelstein, R.J. (1998).
    A multilevel thresholds of change model for analysis of
    stages of change data. Multivariate Behavioral Research, 33 (4), 427-455.
27. Hedeker, D. Mermelstein, R.J., & Weeks, K. A. (1999).
    The thresholds of change model: an approach to analyzing stages of change data. Annals of Behavioral Medicine, 21:61-70.
    

    THRESHM1.SPS and
    THRESHM2.SPS contain:
    - SPSS macro programs implementing the thresholds of change model.
    THRESHM1.SAS and
    THRESHM2.SAS contain:
    - SAS macro programs implementing the thresholds of change model.

28. Hedeker, D., Gibbons, R.D., & Waternaux, C. (1999).
    Sample size estimation for longitudinal designs with attrition:
    comparing time-related contrasts between two groups.
    Journal of Educational and Behavioral Statistics, 24:70-93.
    

    RMASS2.EXE contains:
    - executable program for sample size determination based on this paper.
    RMASS2.PDF contains:
    - PDF version of program guide - can be viewed & printed using Acrobat.

29. Hedeker, D. & Rose, J.S. (2000).
    The natural history of smoking: a pattern-mixture random-effects regression model. In Multivariate Applications in Substance Use Research (pp. 79-112); Rose, J.S., Chassin, L., Presson, C.C., & Sherman. S.J. (Eds). Erlbaum: Hillsdale, NJ.
    

    NHCHAP.PDF contains:
    - PDF version of paper - can be viewed & printed using Acrobat.

30. Gibbons, R.D. & Hedeker, D. (in press).
    Applications of mixed-effects models in biostatistics. Sankhya.

    SANKHYA3.PDF contains:
    - PDF version of paper - can be viewed & printed using Acrobat.

31. Hedeker, D., Siddiqui, O., & Hu, F.B. (in press).
    Random-effects regression analysis of correlated grouped-time survival data. Statistical Methods in Medical Research.

    survsme.PDF contains:
    - PDF version of paper - can be viewed & printed using Acrobat.