



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











Gibbons, R.D., Clark, D., and Davis, J.M. A
statistical model for the classification of imipramine response in
depressed
inpatients.
Psychopharmacology, vol. 78, no. 2, pp. 185189, October 1982. 











Gibbons, R.D. and Davis, J.M. The price
of beer and the salaries of priests: analysis and display of longitudinal
psychiatric data.
Archives of General Psychiatry, vol. 41, pp. 11831184,
December 1984. 











Gibbons, R.D. and Bock, R.D. Trend in Correlated
Proportions.
Psychometrika, vol. 52, no. 1, pp. 113124, March 1987. 











Gibbons, R.D., Hedeker, D., and Davis, J.M. Regression
toward the mean: more on the price of beer and the salaries of priests.
Psychoneuroendocrinology, vol. 12, no. 3, pp. 185192, 1987. 











Clark, D.C. and Gibbons, R.D. Does one nonlethal
suicide attempt increase the risk for a subsequent nonlethal attempt?
Medical Care, vol. 25, no. 12, pp. S87S88, December 1987. 











Gibbons, R.D., Hedeker, D., Waternaux, C., and
Davis, J.M. Random regression models: a comprehensive approach to
the analysis
of longitudinal
psychiatric data.
Psychopharmacology Bulletin, vol. 24, no. 3, pp. 438443, 1988. 











Hedeker, D., Gibbons, R.D., Waternaux, C., and
Davis, J.M.
Investigating
drug plasma levels and clinical response using random regression
models.
Psychopharmacology Bulletin, vol. 25, no. 2, pp. 227231,
1989. 











Clark, D.C., Gibbons, R.D., Fawcett, J., and Sheftner,
W.A. What is the mechanism by which suicide attempts predispose
to later suicide attempts?
A mathematical model.
Journal of Abnormal Psychology, vol. 98, no. 1, pp. 4249, February 1989. 











Hedeker, D., Gibbons, R.D., and Davis, J.M.
Random
regression models for multicenter clinical trials data.
Psychopharmacology Bulletin, vol. 27, no. 1, pp. 7377,
1991. 











Sharma, R.P., Hedeker, D., Pandey, G., Janicak,
P.G., and Davis, J.M. A longitudinal study of plasma cortisol and
depressive symptomatology by random regression analysis.
Biological Psychiatry, vol. 31, no. 3, pp. 304314,
February 1992. 











Gibbons, R.D., Hedeker, D., Elkin, I., Waternaux,
C.,
Kraemer, H.C., Greenhouse, J.B., Shea, M.T., Imber, S.D., Sotsky, S.M., and Watkins,
J.T. Some conceptual and statistical issues in analysis of longitudinal psychiatric
data.
Archives of General Psychiatry, vol. 50, pp. 739750, 1993. 











Gibbons, R.D. and Hedeker, D. Application
of randomeffects probit regression models.
Journal of Consulting and Clinical Psychology, vol. 62, no.
2,
pp. 285296, April 1994. 











Hedeker, D., Gibbons, R.D., and Flay, B.R. Randomeffects
regression models for clustered data with an example from smoking
prevention research.
Journal of Consulting and Clinical Psychology, vol. 62,
no. 4,
pp. 757765, August 1994. 











Gibbons, R.D., Hedeker, D., Charles, S.C., and
Frisch, P.R.
A
randomeffects probit model for predicting medical malpractice claims.
Journal of the American Statistical Association, vol. 89,
no. 427, pp. 760767, September 1994. 











Hedeker, D. and Gibbons, R.D. A
randomeffects ordinal regression model for multilevel analysis.
Biometrics, vol. 50, no. 4, pp. 933944, December 1994. 











Hedeker, D., McMahon, S.D., Jason, L.A., and
Salina, D. Analysis
of clustered data in community psychology: with an example from a
worksite smoking cessation project.
American Journal of Community Psychology, vol. 22, no. 5,
pp. 595615, October 1994. 











Hedeker, D., Flay, B.R., and Petraitis, J. Estimating
individual influences of behavioral intentions: an application of
randomeffects modeling to the theory of reasoned action.
Journal of Consulting and Clinical Psychology, vol. 64, no.
1,
pp. 109120, February 1996. 











Hedeker, D. and Gibbons, R.D. MIXOR:
a computer program for mixedeffects ordinal regression analysis.
Computer Methods and Programs in Biomedicine, vol. 49, no.
2, pp. 157176, March 1996. 











Hedeker, D. and Gibbons, R.D. MIXREG:
a computer program for mixedeffects regression analysis with autocorrelated
errors.
Computer Methods and Programs in Biomedicine, vol. 49, no. 3, pp.
229252, May 1996. 











Hedeker, D. and Mermelstein, R.J. Application
of randomeffects regression models in relapse research.
Addiction, vol. 91, supplement 1, pp. S211S229, December
1996. 











Siddiqui, O., Hedeker, D., Flay, B.R., and Hu,
F.B. Intraclass
correlation estimates in a schoolbased smoking prevention study:
outcome and mediating variables by gender and ethnicity.
American Journal of Epidemiology, vol. 144, no. 4, pp. 425433, 1996. 











Hedeker, D. and Gibbons, R.D. Application
of randomeffects patternmixture models for missing data in longitudinal
studies.
Psychological Methods, vol. 2, no. 1, pp. 6478, March 1997.
RRMPAT.ZIP contains:
 a DVI version of the paper created by LaTex (2 DVI files)
 data and SAS code to perform the randomeffects pattern mixture analysis 











Hu, F.B., Goldberg, J., Hedeker, D., Flay, B.R.,
and Pentz, M.A. Comparison of populationaveraged and subjectspecific
approaches for analyzing
repeated binary outcomes.
American Journal of Epidemiology, vol. 147, no. 7, pp. 694703,
April 1997. 











Gibbons, R.D. and Hedeker, D. Randomeffects
probit and logistic regression models for threelevel data.
Biometrics, vol. 53, no. 4, pp. 15271537, December 1997. 











Hedeker, D. and Mermelstein, R.J. A
multilevel thresholds of change model for analysis of
stages of change data.
Multivariate Behavioral Research, vol. 33, no. 4, pp. 427455, 1998. 











Hu, F.B., Goldberg, J., Hedeker, D., and Henderson,
W.G. Modeling
ordinal responses from cotwin control studies.
Statistics in Medicine, vol. 17, no. 9, pp. 957970,
December 1998. 











Hedeker, D. MIXPREG:
a computer program for mixedeffects Poisson regression.
Technical
Report, School of Public Health, University of Illinois at Chicago,
1998.












Hedeker, D., Gibbons, R.D., and Waternaux, C. Sample
size estimation for longitudinal designs with attrition: comparing
timerelated contrasts between two groups.
Journal of Educational and Behavioral Statistics, vol. 24,
no. 1, pp. 7093, 1999.
RMASS2.EXE is an executable program
for sample size determination based on this paper.
Read the program guide. 











Hedeker, D., Mermelstein, R.J., and Weeks, K.A.
The
thresholds of change model: an approach to analyzing stages of change
data.
Annals of Behavioral Medicine, vol. 21, no. 1, pp. 6170,
1999.
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. 











Hedeker, D. MIXNO:
a computer program for mixedeffects nominal logistic regression.
Journal of Statistical Software, vol. 4, no. 5, pp.
192, October 1999.












Hedeker,
D., Siddiqui, O., and Hu, F.B. Randomeffects
regression analysis of correlated groupedtime survival data.
Statistical Methods in Medical Research, vol. 9, no.
2,
pp. 161179, April 2000. 











Hedeker, D. and Mermelstein, R.J. Analysis
of longitudinal substance use outcomes using ordinal randomeffects
regression models.
Addiction, vol. 95, supplement 3, pp. S381S394,
November 2000.












Gibbons, R.D. and Hedeker, D. Applications
of mixedeffects models in biostatistics.
Sankhya: The Indian Journal of Statistics, vol. 62,
series B, part 1, pp. 70103, 2000. 











Hedeker, D. and Rose, J.S. The
natural history of smoking: a patternmixture randomeffects regression
model.
In J.S. Rose, L. Chassin, C.C. Presson, and S.J.
Sherman, (Eds.), Multivariate Applications
in Substance Use Research. Hillsdale,
NJ: Lawrence
Erlbaum Associates; 2000. pp. 79112. 











Hedeker, D. A
mixedeffects multinomial logistic regression model.
Statistics in Medicine, vol. 22, pp. 14331446, 2003. 











Hedeker, D. An
introduction to growth modeling.
In D. Kaplan (Ed.), The Sage Handbook of Quantitative Methodology
for the Social Sciences. Thousand Oaks,
CA: Sage Publications; 2004. pp. 215234.












Hedeker, D. Generalized
linear mixed models.
In
B. Everitt and D. Howell (Eds.), Encyclopedia of Statistics
in Behavioral Science. New York: John Wiley & Sons;
2005.












Hedeker, D., Berbaum, M., and Mermelstein, R.J.
Locationscale
models for multilevel ordinal data: between and withinsubjects
variance modeling.
Journal of Probability and
Statistical Science, vol. 4, no. 1,
pp. 120, February 2006.








SAS
code contains
syntax for several of the models and can be used to perform the
analyses presented in
this article. 











Hedeker, D., Mermelstein, R.J., and Flay,
B.R. Application
of item response theory models for intensive longitudinal data.
In T.A. Walls and J.L. Schafer (Eds.),
Models for Intensive Longitudinal Data. New York:
Oxford University Press; 2006.
pp. 84108.








SAS code contains
code for IRT analysis of the LSAT6 data. 











Hedeker, D. and Mermelstein, R.J. Mixedeffects
regression models with heterogeneous variance: analyzing Ecological
Momentary Assessment (EMA) data of smoking.
In T.D. Little, J.A. Bovaird, and N.A. Card, (Eds.), Modeling
Contextual Effects in Longitudinal Studies. Mahwah,
NJ: Lawrence Erlbaum Associates; 2007. pp. 183–206. 







SAS code contains
syntax for models in TABLE 8.3. 











Hedeker, D., Mermelstein, R.J., and Demirtas,
H. Analysis of binary outcomes with missing data: missing=smoking,
last observation carried forward, and a little multiple imputation.
Addiction,
vol. 102, no. 10, pp. 15641573, October 2007.








SAS
code and
data are
provided for the logistic regression imputation described in this article.
Read the SAS
code description. 











Hedeker, D. Multilevel models for ordinal
and nominal
variables.
In J. de Leeuw and E. Meijer (Eds.), Handbook of Multilevel
Analysis. New York: Springer; 2008. pp. 237274.












Hedeker, D., Mermelstein, R.J., and Demirtas,
H. An application of a mixedeffects location scale model
for analysis of Ecological Momentary Assessment (EMA) data.
Biometrics,
vol. 64, no. 2, pp. 627634, June 2008.








SAS
code contains
a sample of syntax necessary to run the mixed location scale model
described in this article. 











Hedeker, D., Mermelstein, R.J., Berbaum, M. and
Campbell, R.T. Modeling
mood variation associated with smoking: an application of a heterogeneous
mixedeffects model for
analysis
of Ecological Momentary Assessment (EMA) data.
Addiction, accepted.



