本文選題：logistic回歸　切入點：雙界點OR值最大法　出處：《中國衛(wèi)生統計》2017年04期 　論文類型：期刊論文

【摘要】：目的探討雙界點OR值最大法logistic回歸在中小學生登革熱知識提高幅度的影響因素研究中的應用。方法基于多階段分層整群隨機抽樣的廣州市中小學生登革熱相關知識傳播效果的干預研究的調查數據,建立中小學生登革熱知識提高幅度影響因素的雙界點OR值最大法logistic回歸模型,與采用連續(xù)型變量法、中位數法、單界點P值最小法的logistic回歸模型比較模型擬合效果,探討雙界點OR值最大法logistic回歸的優(yōu)勢。結果納入干預效果評估的共1311人,三年級299名,五年級331名,初二321名,高二360名。以高二數據為例,雙界點OR值最大法logistic回歸納入的自變量為知識基線得分、干預方式、登革熱病例數;其模型的擬合效果最好,且對于自變量分界點的劃分更合理,能夠更好地篩選出與結局有關聯的影響因素。結論雙界點OR值最大法logistic回歸適用于中小學生登革熱知識提高幅度影響因素的研究。中小學生的登革熱知識的干預效果受多個因素的影響,應開展有針對性的健康教育。
[Abstract]:Objective to explore the application of logistic regression method with maximum OR value to study the influencing factors of dengue fever knowledge in primary and middle school students. Methods based on multi-stage stratified cluster random sampling, the knowledge of dengue fever in primary and middle school students in Guangzhou was studied. Survey data from intervention studies that recognize the effects of communication, To establish the logistic regression model for the factors influencing the increase of dengue knowledge in primary and middle school students, and to compare the fitting effect of the logistic regression model with the continuous variable method, the median method and the single boundary point P minimum method. To explore the advantage of logistic regression with the maximum OR value of double bound points. Results 1311 people were included in the intervention effect evaluation, including 299,331 in grade three, 331 in grade five, 321 in junior high school, and 360in senior two, taking the data of senior two as an example. The independent variables included in the logistic regression were knowledge baseline score, intervention mode, number of dengue cases, the fitting effect of the model was the best, and the demarcation of independent variable boundary points was more reasonable. Conclusion logistic regression with maximum OR value can be used to study the influencing factors of dengue fever knowledge improvement in primary and middle school students. Intervention of dengue fever knowledge in primary and secondary school students. The effect is affected by several factors, Health education should be carried out.
【作者單位】： 中山大學公共衛(wèi)生學院醫(yī)學統計與流行病學系;鄭州大學第一附屬醫(yī)院;廣州市健康教育所;
【基金】：廣東省科技計劃項目(2014A020212713) 廣州市醫(yī)藥衛(wèi)生科技項目(20141A010067)
【分類號】：R512.8

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