Perceived vulnerability, also called perceived susceptibility, perceived likelihood, and perceived probability, reflects an individual's belief about the likelihood of a health threat's occurrence or the likelihood of developing a health problem. Perceptions of event likelihood are central to both expectancy-value theory in social psychology and to subjective-expected utility theory in economics. The earliest work using the construct of perceived susceptibility in the health domain sought to determine why people use health services and included research by Hochbaum (1958)x Close
Hochbaum, G.M. (1958). Public participation in medical screening programs: a socio-psychological study. Public Health Service Publication No. 572. Washington, D.C.: U.S. Government Printing Office., Kegeles (1963)x Close
Kegeles, S.S. (1963). Why people seek dental care: a test of a conceptual frame-work. Journal of Health and Human Behavior, 4, 166., Bice & White (1969)x Close
Bice, T.W., & White, K.L. (1969). Factors related to the use of health services: an international comparative study. Medical Care, 8, 124-133., Haefner & Kirscht (1970)x Close
Haefner, D.P., & Kirscht, J.P. (1970). Motivational and behavioral effects of modifying health beliefs. Public Health Reports, 85, 478-84., and Rosenstock (1966, 1974)x Close
Rosenstock, I.M. (1966). Why people use health services. Milbank Memorial Fund Quarterly, 44, 94-127.
Rosenstock, I.M. (1974). Historical origins of the health belief model. Health Education Monographs, 2, 328-335. that led to the development of the Health Belief Model (Rosenstock, 1966 xClose
Rosenstock, I.M. (1966). Why people use health services. Milbank Memorial Fund Quarterly , 44, 94-127. ; Becker, 1974x Close
Becker, M.H. (ed). (1974) The health belief model and personal health behavior. Health Education Monographs, 2, 324-508.).
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