Clark N M, Feldman C H, Evans D, Levison M J, Wasilewski Y, Mellins R B
J Allergy Clin Immunol. 1986 Jul;78(1 Pt 1):108-15. doi: 10.1016/0091-6749(86)90122-3.
A sample of 310 low income urban children with asthma from 290 families was randomized into a control group and an experimental group that received health education to improve asthma management at home. No significant decreases in subsequent health care use were observed when the experimental group was compared to the control group without regard to previous hospitalization. When the comparison was restricted to children who had been hospitalized during the preceding year, however, the experimental group was found to have decreased its use of the emergency room significantly more than the control group (p less than 0.05) and to have experienced a significantly greater reduction in the mean number of hospitalizations (p less than 0.05) during the year of follow-up. The program reduced health care costs for children with one or more hospitalizations, saving $11.22 for every $1.00 spent to deliver health education.
来自290个家庭的310名患有哮喘的低收入城市儿童样本被随机分为对照组和实验组，实验组接受了关于改善家庭哮喘管理的健康教育。在不考虑先前住院情况的前提下，将实验组与对照组进行比较时，未观察到后续医疗保健使用的显著减少。然而，当比较仅限于前一年曾住院的儿童时，发现实验组的急诊室使用次数比对照组显著减少更多（p小于0.05），且在随访年度内平均住院次数的减少幅度也显著更大（p小于0.05）。该项目降低了有过一次或多次住院经历儿童的医疗保健成本，每投入1.00美元用于开展健康教育，就能节省11.22美元。
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