轨迹分析模型在流行病学研究中的应用

冯国双; 于石成; 胡跃华

Abstract

冯国双,于石成,胡跃华.轨迹分析模型在流行病学研究中的应用[J].Chinese journal of Epidemiology,2014,35(7):865-867

轨迹分析模型在流行病学研究中的应用

The application of trajectory model in epidemiological research

Received:January 07, 2014

DOI：10.3760/cma.j.issn.0254-6450.2014.07.024

KeyWord: 轨迹分析模型潜分类增长模型

English Key Word: Trajectory model Latent class growth model

FundProject:中央财政专项淮河流域癌症综合防治项目（1310800003）

Author Name	Affiliation	E-mail
Feng Guoshuang	National Center for Public Health Surveillance and Information Services, Chinese Center for Disease Control and Prevention, Beijing 102206, China	glxfgsh@163.com
Yu Shicheng	National Center for Public Health Surveillance and Information Services, Chinese Center for Disease Control and Prevention, Beijing 102206, China
Hu Yuehua	National Center for Public Health Surveillance and Information Services, Chinese Center for Disease Control and Prevention, Beijing 102206, China

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Abstract:

通过对60 名青少年4 次脂肪发育数据的分析, 介绍轨迹分析模型在流行病学研究中的应用。结果显示, 正常脂肪组、偏高脂肪组、超高脂肪组具有不同的发展趋势。轨迹分析模型在拟合异质性追踪数据方面具有较好的优势。

English Abstract:

This article introduced the application of trajectory model in epidemiological study on fat development in sixty teenagers. Results showed that fat developing trend on three trajectories-normal fat group, high fat group and very high fat group, with independently different developing trend. Trajectory model seemed a suitable model for fitting the longitudinal data with heterogeneity.

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