The causal effect of family physician program on the prevalence, screening, awareness, treatment, and control of hypertension and diabetes mellitus in an Eastern Mediterranean Region: a causal difference-in-differences analysis

Abstract Background Hypertension (HTN) and diabetes mellitus (DM) as part of non-communicable diseases are among the most common causes of death worldwide, especially in the WHO’s Eastern Mediterranean Region (EMR). The family physician program (FPP) proposed by WHO is a health strategy to provide p...

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Main Authors: Neda Mohammadi, Ahad Alizadeh, Sahar Saeedi Moghaddam, Erfan Ghasemi, Naser Ahmadi, Mehdi Yaseri, Negar Rezaei, Mohammad Ali Mansournia
Format: Article
Language:English
Published: BMC 2023-06-01
Series:BMC Public Health
Subjects:
Online Access:https://doi.org/10.1186/s12889-023-16074-z
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author Neda Mohammadi
Ahad Alizadeh
Sahar Saeedi Moghaddam
Erfan Ghasemi
Naser Ahmadi
Mehdi Yaseri
Negar Rezaei
Mohammad Ali Mansournia
author_facet Neda Mohammadi
Ahad Alizadeh
Sahar Saeedi Moghaddam
Erfan Ghasemi
Naser Ahmadi
Mehdi Yaseri
Negar Rezaei
Mohammad Ali Mansournia
author_sort Neda Mohammadi
collection DOAJ
description Abstract Background Hypertension (HTN) and diabetes mellitus (DM) as part of non-communicable diseases are among the most common causes of death worldwide, especially in the WHO’s Eastern Mediterranean Region (EMR). The family physician program (FPP) proposed by WHO is a health strategy to provide primary health care and improve the community’s awareness of non-communicable diseases. Since there was no clear focus on the causal effect of FPP on the prevalence, screening, and awareness of HTN and DM, the primary objective of this study is to determine the causal effect of FPP on these factors in Iran, which is an EMR country. Methods We conducted a repeated cross-sectional design based on two independent surveys of 42,776 adult participants in 2011 and 2016, of which 2301 individuals were selected from two regions where the family physician program was implemented (FPP) and where it wasn't (non-FPP). We used an Inverse Probability Weighting difference-in-differences and Targeted Maximum Likelihood Estimation analysis to estimate the average treatment effects on treated (ATT) using R version 4.1.1. Results The FPP implementation increased the screening (ATT = 36%, 95% CI: (27%, 45%), P-value < 0.001) and the control of hypertension (ATT = 26%, 95% CI: (1%, 52%), P-value = 0.03) based on 2017 ACC/AHA guidelines that these results were in keeping with JNC7. There was no causal effect in other indexes, such as prevalence, awareness, and treatment. The DM screening (ATT = 20%, 95% CI: (6%, 34%), P-value = 0.004) and awareness (ATT = 14%, 95% CI: (1%, 27%), P-value = 0.042) were significantly increased among FPP administered region. However, the treatment of HTN decreased (ATT = -32%, 95% CI: (-59%, -5%), P-value = 0.012). Conclusion This study has identified some limitations related to the FPP in managing HTN and DM, and presented solutions to solve them in two general categories. Thus, we recommend that the FPP be revised before the generalization of the program to other parts of Iran.
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spelling doaj.art-f7e1807183bb4fb9b44386018eee301d2023-06-18T11:27:26ZengBMCBMC Public Health1471-24582023-06-0123111110.1186/s12889-023-16074-zThe causal effect of family physician program on the prevalence, screening, awareness, treatment, and control of hypertension and diabetes mellitus in an Eastern Mediterranean Region: a causal difference-in-differences analysisNeda Mohammadi0Ahad Alizadeh1Sahar Saeedi Moghaddam2Erfan Ghasemi3Naser Ahmadi4Mehdi Yaseri5Negar Rezaei6Mohammad Ali Mansournia7Department of Epidemiology and Biostatistics, School of Public Health, Tehran University of Medical SciencesMedical Microbiology Research Center, Qazvin University of Medical SciencesEndocrinology and Metabolism Population Sciences Institute, Non-Communicable Diseases Research Center, Tehran University of Medical SciencesEndocrinology and Metabolism Population Sciences Institute, Non-Communicable Diseases Research Center, Tehran University of Medical SciencesEndocrinology and Metabolism Population Sciences Institute, Non-Communicable Diseases Research Center, Tehran University of Medical SciencesDepartment of Epidemiology and Biostatistics, School of Public Health, Tehran University of Medical SciencesEndocrinology and Metabolism Population Sciences Institute, Non-Communicable Diseases Research Center, Tehran University of Medical SciencesDepartment of Epidemiology and Biostatistics, School of Public Health, Tehran University of Medical SciencesAbstract Background Hypertension (HTN) and diabetes mellitus (DM) as part of non-communicable diseases are among the most common causes of death worldwide, especially in the WHO’s Eastern Mediterranean Region (EMR). The family physician program (FPP) proposed by WHO is a health strategy to provide primary health care and improve the community’s awareness of non-communicable diseases. Since there was no clear focus on the causal effect of FPP on the prevalence, screening, and awareness of HTN and DM, the primary objective of this study is to determine the causal effect of FPP on these factors in Iran, which is an EMR country. Methods We conducted a repeated cross-sectional design based on two independent surveys of 42,776 adult participants in 2011 and 2016, of which 2301 individuals were selected from two regions where the family physician program was implemented (FPP) and where it wasn't (non-FPP). We used an Inverse Probability Weighting difference-in-differences and Targeted Maximum Likelihood Estimation analysis to estimate the average treatment effects on treated (ATT) using R version 4.1.1. Results The FPP implementation increased the screening (ATT = 36%, 95% CI: (27%, 45%), P-value < 0.001) and the control of hypertension (ATT = 26%, 95% CI: (1%, 52%), P-value = 0.03) based on 2017 ACC/AHA guidelines that these results were in keeping with JNC7. There was no causal effect in other indexes, such as prevalence, awareness, and treatment. The DM screening (ATT = 20%, 95% CI: (6%, 34%), P-value = 0.004) and awareness (ATT = 14%, 95% CI: (1%, 27%), P-value = 0.042) were significantly increased among FPP administered region. However, the treatment of HTN decreased (ATT = -32%, 95% CI: (-59%, -5%), P-value = 0.012). Conclusion This study has identified some limitations related to the FPP in managing HTN and DM, and presented solutions to solve them in two general categories. Thus, we recommend that the FPP be revised before the generalization of the program to other parts of Iran.https://doi.org/10.1186/s12889-023-16074-zFamily physician programHypertensionDiabetes mellitusDifference-in-differenceTMLEIran
spellingShingle Neda Mohammadi
Ahad Alizadeh
Sahar Saeedi Moghaddam
Erfan Ghasemi
Naser Ahmadi
Mehdi Yaseri
Negar Rezaei
Mohammad Ali Mansournia
The causal effect of family physician program on the prevalence, screening, awareness, treatment, and control of hypertension and diabetes mellitus in an Eastern Mediterranean Region: a causal difference-in-differences analysis
BMC Public Health
Family physician program
Hypertension
Diabetes mellitus
Difference-in-difference
TMLE
Iran
title The causal effect of family physician program on the prevalence, screening, awareness, treatment, and control of hypertension and diabetes mellitus in an Eastern Mediterranean Region: a causal difference-in-differences analysis
title_full The causal effect of family physician program on the prevalence, screening, awareness, treatment, and control of hypertension and diabetes mellitus in an Eastern Mediterranean Region: a causal difference-in-differences analysis
title_fullStr The causal effect of family physician program on the prevalence, screening, awareness, treatment, and control of hypertension and diabetes mellitus in an Eastern Mediterranean Region: a causal difference-in-differences analysis
title_full_unstemmed The causal effect of family physician program on the prevalence, screening, awareness, treatment, and control of hypertension and diabetes mellitus in an Eastern Mediterranean Region: a causal difference-in-differences analysis
title_short The causal effect of family physician program on the prevalence, screening, awareness, treatment, and control of hypertension and diabetes mellitus in an Eastern Mediterranean Region: a causal difference-in-differences analysis
title_sort causal effect of family physician program on the prevalence screening awareness treatment and control of hypertension and diabetes mellitus in an eastern mediterranean region a causal difference in differences analysis
topic Family physician program
Hypertension
Diabetes mellitus
Difference-in-difference
TMLE
Iran
url https://doi.org/10.1186/s12889-023-16074-z
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