Getting Closer to the Truth: Overcoming Research Challenges When Estimating the Financial Impact of Worksite Health Promotion Programs

Cook TD Campbell DT Quasi-Experimentation: Design and Analysis Issues for Field Settings. Boston, MA: Houghton Mifflin Company; 1979.

Pelletier KR . A review and analysis of the clinical and cost-effectiveness studies of comprehensive health promotion and disease management programs at the worksite: 1995–1998 update IV. Am J Health Promot. 1999;13:333–345.

Aldana SG . Financial impact of worksite health promotion and methodological quality of the evidence. Art Health Promot. 1998;2:1–8.

Heaney CA Goetzel RZ . A review of health-related outcomes of multi-component worksite health promotion programs. Am J Health Promot. 1997;11:290–308.

Sciacca J Seehafer R Reed R Mulvaney D . The impact of participation in health promotion on medical costs: a reconsideration of the Blue Cross Blue Shield of Indiana Study. Am J Health Promot. 1993;7:374–395.

Bertera R . Behavioral risk factor and illness day changes with workplace health promotion: two-year results. Am J Health Promot. 1993;7:365–373.

Edington DW Yen LT Witting P . The financial impact of changes in personal health practices. J Occup Environ Med. 1997;39:1037–1047.

Goetzel RZ Dunn RL Ozminkowski RJ Satin K Whitehead D Cahill K . Differences between descriptive and multivariate estimates of the impact of Chevron Corporation's Health Quest Program on medical expenditures. J Occup Environ Med. 1998;40:538–545.

Ozminkowski RJ Dunn RL Goetzel RZ Cantor R Murnane J Harrison M . A return on investment evaluation of the Citibank, N.A. Health Management Program. Am J Health Promot. 1999;14:31–43.

Yen LT Eddington DW Witting P . Corporate medical claim cost distributions and factors associated with high-cost status. J Occup Med. 1994;36:505–515.

Goetzel RZ Anderson DR Whitmer RW Ozminkowski RJ Dunn RL Wasserman J . The relationship between modifiable health risks and health care expenditures. J Occup Environ Med. 1998;40:843–854.

Lynch WD Golaszewski RJ Clearie A Vickery DM . Characteristics of self-selected responders to a health risk appraisal: generalizability of corporate health assessments. Am J Public Health. 1989;79:887–888.

Goetzel RZ Juday T Ozminkowski RJ . What's the ROI? A systematic review of return on investment studies of corporate health and productivity management initiatives. AWHP's Worksite Health. 1999;7:12–19.

Getzen TE . Medical care price indexes: theory, construction, and empirical analysis of the U.S. series 1927–1990. Adv Health Econ Health Serv Res. 1992;13:83–128.

Newhouse JP . Measuring medical prices and understanding their effects. J Health Adm Educ. 1989;7:19–26.

Krahn M Gafni A . Discounting in the economic evaluation of health care interventions. Med Care. 1993; 31:403–418.

Keeler EB Cretin S . Discounting of life-saving and other non-monetary benefits. Manage Sci. 1983;29:300–310.

Viscusi WK . Discounting health effects for medical decisions. Chapter 7. In: Sloan F , ed. Valuing Health Care: Costs, Benefits, and Effectiveness of Pharmaceuticals and Other Medical Technologies. New York, NY: Cambridge University Press; 1995:125–148.

Gramlich EM Benefit—Cost Analysis of Government Programs. Englewood Cliffs, NJ: Prentice-Hall Inc; 1981.

Nas T Cost–Benefit Analysis: Theory and Application. Thousand Oaks, CA: Sage Publications; 1996.

Warner KE Luce BR Cost—Benefit and Cost-effectiveness Analysis in Health Care: Principles, Practice, and Potential. Ann Arbor, MI: Health Administration Press; 1982.

Gold MR Siegel JE Russell LB Weinstein MC Cost-effectiveness in Health and Medicine. New York, NY: Oxford University Press; 1996.

Drummond MF O'Brien BJ Stoddart GL Torrance GW . Methods for the Economic Evaluation of Health Care Programs. 2nd ed. New York, NY: Oxford University Press; 1997.

Sloan FA , ed Valuing Health Care: Costs, Benefits, and Effectiveness of Pharmaceuticals and Other Medical Technologies. New York, NY: Cambridge University Press; 1995.

Hargreaves WA Shumway M Hu T-W Cuffel B Cost-Outcome Methods for Mental Health. San Diego, CA: Academic Press; 1998.

Goetzel RZ Ozminkowski RJ How to Evaluate Workplace Health Promotion Programs. Keego Harbor, MI: American Journal of Health Promotion; 2000.

Substance Abuse and Mental Health Services Administration. Workplace Managed Care Financial Cost Research Evaluation Guide. Available at: http://wmcare.samhsa.gov/fradocuments.html. Accessed February 9, 2001.

Russell LB Gold MR Siegel JE Daniels N Weinstein MC . The role of cost-effectiveness analysis in health and medicine. J Am Med Assoc. 1996;276:1172–1180.

Siegel JE Weinstein MC Russell LB Gold MR . Recommendations for reporting cost-effectiveness analyses. J Am Med Assoc. 1996;276:1339–1341.

Weinstein MC Siegel JE Gold MR Kamlet MS Russell LB . Recommendations of the Panel on Cost-effectiveness in Health and Medicine. J Am Med Assoc. 1996;276:1253–1258.

Weinstein MC . From cost-effectiveness ratios to resource allocation: where to draw the line? Chapter 5. In: Sloan F , ed. Valuing Health Care: Costs, Benefits, and Effectiveness of Pharmaceuticals and Other Medical Technologies New York, NY: Cambridge University Press; 1995: 77–98.

Duan N Manning WG Jr Morris CN Newhouse JP . A comparison of alternative models for the demand for medical care. J Bus Econ Stat. 1983;1:115–126.

Mullahy J . Much ado about two: reconsidering retransformation and the two-part model in health econometrics. J Health Econ. 1998;17:247–281.

Pelletier KR . ROI research and worksite health promotion. Am J Health Promot. 1999;14:44–45.

Heckman JJ Rob B . Alternative models for evaluating the impact of interventions: an overview. J Economet. 1985;30:239–267.

Rosenbaum P Rubin D . Reducing bias in observational studies using sub-classification on the propensity score. J Am Stat Assoc. 1984;79:516–524.

Robins J Mark S Newey W . Estimating exposure effects by modeling the expectation of exposure conditional on confounders. Biometrics. 1992;48:479–495.

Drake C Fisher L . Prognostic models and the propensity score. Int. J Epidemiol. 1995;24:183–187.

Prochaska JO DiClemente CC . Stages of change in the modification of problem behaviors. Prog Behav Modif. 1992;28:183–218.

Hoyle RH Statistical Strategies for Small Sample Research. Thousand Oaks, CA: Sage Publications Inc; 1999.

O'Brien BJ Drummond MF LaBelle RJ Willan A . In search of power and significance: issues in the design and analysis of stochastic cost-effectiveness studies in health care. Med Care. 1994;32:150–163.

O'Brien BJ Drummond MF . Statistical versus quantitative significance in the socioeconomic evaluation of medicines. PharmacoEconomics 1994;5:389–398.

Eddington ES Randomization Tests. New York, NY: M Dekker; 1995.

Belsley DA Kuh E Welsch RE Regression Diagnostics: Identifying Influential Data and Sources of Collinearity. New York, NY: John Wiley & Sons Inc; 1980.

Kmenta J Elements of Econometrics. 2nd ed. New York, NY: Macmillan Publishing Company; 1986.

Gardiner J Hogan A Holmes-Rovner M Rovner D Griffith L Kupersmith J . Confidence intervals for cost-effectiveness ratios. Med Decis Making. 1995;15:254–263.