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• <br />• <br />• <br />disciplines will change &reatly over the coming de- <br />cade. It is likely that the growth of managed care will <br />amplify the oversupply of specialist and sub- special- <br />ist physicians .4.40 It will also magnify the need for <br />new educational competencies for physicians, in- <br />cluding a greater emphasis on population - based <br />sciences such as those taught in schools of public <br />health.'° <br />Trend <br />Explosion of information technologies. <br />Evidence <br />The proliferation of information technologies will <br />continue to provide exciting opportunities and new <br />approaches to public health and health care delivery. <br />It has been estimated that the amount of information <br />available to the public doubles every five years .29 <br />The explosion in information technologies provides <br />new ways in which to make information -based deci- <br />sions—i.e., new and better methods of communica- <br />tion, improved analysis tools, and improvements in <br />presentation of knowledge .41 In the clinical setting, <br />information -based decision making may involve <br />electronic synthesis of complete patient histories, <br />literature review to support diagnosis and treatment <br />decisions, and computerized systems for prompting <br />physicians and patients, and for measuring quality <br />in the health care setting.42.49 <br />Impact <br />Persons working in all areas of public health in- <br />cluding universities, state and local health depart- <br />ments, and health care settings will have an unprec- <br />edented array of information tools at their disposal. <br />However, it is important to note that improved tech- <br />nology does not necessarily result in improved and <br />integrated information." In many areas of public <br />health, information systems have been created that <br />cannot "talk" to each other, making their use less <br />than optimal. <br />Trend <br />Changing needs in the public health work force. <br />Evidence <br />Unlike professions such as medicine or law, no <br />single educational degree is required for professional <br />Future Trends Affecting Public Health 53 <br />work in public health. The public health work force <br />is estimated at one half million, yet less than one <br />third of all employees in public health departments <br />have formal training in public health.43 As health <br />care reform proceeds at state and local levels, the <br />necessary skills for public health professionals are <br />likely to change and the boundaries between private <br />and governmental sectors in health become less dis- <br />tinct. <br />Impact <br />Public health is a rapidly changing discipline as <br />noted earlier in discussions about managed care and <br />changing demographics. Abilities. that are likely to <br />be needed in the coming decade include stronger <br />skills in community assessment, program evalua- <br />tion, better understanding of the uses of information <br />technologies, and stronger leadership skills.l,48 The <br />consequences of an undertrained work force will be <br />greater than in the past due to the rapidly changing <br />nature of public health. <br />Trend <br />Growth in health- related partnerships. <br />Evidence <br />Many of the changes noted earlier are likely to lead <br />to new opportunities for interdisciplinary partner- <br />ships that can link the academic and public health <br />practice settings. Several recent examples of such <br />partnerships are the "community empowerment" <br />projects funded by the Kellogg Foundation, large <br />community-based trials to reduce chronic disease <br />morbidity funded by NHLBI, and the Prevention Re- <br />search Centers funded by the Centers for Disease <br />Control and Prevention.47,48 Increasingly, researchers <br />are recognizing that the most effective community- <br />based research projects are those that involve a true <br />partnership between academics and community <br />groups."" Partnerships discussed earlier in this sec- <br />tion, such as those between traditional public health <br />agencies and managed care providers, are likely to <br />increase in frequency and scope. <br />Impact <br />The growth in community-based partnerships and <br />applied prevention research has the potential to <br />greatly inform the methods for long -term mainte- <br />nance of community interventions. Presently, there <br />93 <br />