MAXIMUM LIKELIHOOD ANALYSIS IN LOGISTIC REGRESSION WITH MISSING COVARIATE DATA AND AUXILIARY, INFORMATION APPLICATION TO FACTORS ASSOCIATED WITH SELECTION OF THE DELIVERY METHOD IN PREGNANT WOMEN

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POURHOSSEIN GHOLI M.A.; ALAVI MAJD HAMID; ABADI A.R.; PARVANEHVAR S.

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Journal: Iranian Journal of Epidemiology Year:2005 | Volume:1 | Issue:1 Page(s): 65-72

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Title

MAXIMUM LIKELIHOOD ANALYSIS IN LOGISTIC REGRESSION WITH MISSING COVARIATE DATA AND AUXILIARY, INFORMATION APPLICATION TO FACTORS ASSOCIATED WITH SELECTION OF THE DELIVERY METHOD IN PREGNANT WOMEN

Author(s)

POURHOSSEIN GHOLI M.A. | ALAVI MAJD HAMID | ABADI A.R. | PARVANEHVAR S. | Issue Writer Certificate

Keywords

LOGISTIC REGRESSION MODELQ4

EM ALGORITHMQ3

CASE-COMPLETE ANALYSISQ4

MISSING DATAQ3

AUXILIARY VARIABLEQ4

CESAREANQ3

Abstract

Background and Objectives: Missing, data exist in many studies, e.g. in regression models, and they decrease the model's efficacy. Many methods have been suggested for handling incomplete data: they have generally focused on missing outcome values. But covariate values can also be missing.Materials and Methods: In this paper we study the missing imputation by the EM ALGORITHM and auxiliary variable and compare the result with CASE-COMPLETE ANALYSIS in a LOGISTIC REGRESSION MODEL dealing with factors that influence the choice of the delivery method.Our data came from a cross-sectional study of factors associated with the choice of the delivery method in pregnant women. The sample size in this cross-sectional study was 365 and the data were collected through interviews, using questionnaires covering several demographic variables, delivery history, attitude, and some social factors. We used standard deviations to compare the efficiency of the two methods.Results: The results show that maximum likelihood analysis by EM ALGORITHM is more effective than CASE-COMPLETE ANALYSIS. The problem of MISSING DATA is common in surveys and it causes bias and decreased model efficacy. Here we show that the EM ALGORITHM for imputation in logistic regression with missing values for a discrete covariate is more effective than CASE-COMPLETE ANALYSIS.Conclusion: On the other hand if missing values occur for a continuous covariate then we have to use other methods or change the variable into a discrete one.

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APA: Copy

POURHOSSEIN GHOLI, M.A., ALAVI MAJD, HAMID, ABADI, A.R., & PARVANEHVAR, S.. (2005). MAXIMUM LIKELIHOOD ANALYSIS IN LOGISTIC REGRESSION WITH MISSING COVARIATE DATA AND AUXILIARY, INFORMATION APPLICATION TO FACTORS ASSOCIATED WITH SELECTION OF THE DELIVERY METHOD IN PREGNANT WOMEN. IRANIAN JOURNAL OF EPIDEMIOLOGY, 1(1), 65-72. SID. https://sid.ir/paper/120601/en

Vancouver: Copy

POURHOSSEIN GHOLI M.A., ALAVI MAJD HAMID, ABADI A.R., PARVANEHVAR S.. MAXIMUM LIKELIHOOD ANALYSIS IN LOGISTIC REGRESSION WITH MISSING COVARIATE DATA AND AUXILIARY, INFORMATION APPLICATION TO FACTORS ASSOCIATED WITH SELECTION OF THE DELIVERY METHOD IN PREGNANT WOMEN. IRANIAN JOURNAL OF EPIDEMIOLOGY[Internet]. 2005;1(1):65-72. Available from: https://sid.ir/paper/120601/en

IEEE: Copy

M.A. POURHOSSEIN GHOLI, HAMID ALAVI MAJD, A.R. ABADI, and S. PARVANEHVAR, “MAXIMUM LIKELIHOOD ANALYSIS IN LOGISTIC REGRESSION WITH MISSING COVARIATE DATA AND AUXILIARY, INFORMATION APPLICATION TO FACTORS ASSOCIATED WITH SELECTION OF THE DELIVERY METHOD IN PREGNANT WOMEN,” IRANIAN JOURNAL OF EPIDEMIOLOGY, vol. 1, no. 1, pp. 65–72, 2005, [Online]. Available: https://sid.ir/paper/120601/en

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