Journal of Community Health Research
مجله تحقیقات سلامت
JCHR
Medical Sciences
http://jhr.ssu.ac.ir
1
admin
2322-5688
2345-2609
27545
12727
en
jalali
1403
10
1
gregorian
2025
1
1
14
1
online
1
fulltext
en
Tutorial on Methods to Adjust for Confounding Variable in Medical Research
اپیدمیولوژی
Epidemiology
مروری
Review
<div style="text-align: justify;"><span style="font-size:12px;"><span style="font-family:Times New Roman;"><span style="line-height:150%"><b><span style="line-height:150%">Background:</span></b><span style="line-height:150%"> Confounders can distort the actual connection between exposure and outcome, resulting in skewed results. In research, it is essential to account for confounding variables to preserve the validity of causal inferences.</span></span><br>
<span style="line-height:150%"><b><span style="line-height:150%"> Methods:</span></b><span style="line-height:150%"> In this narrative review study, all statistical methods for adjusting confounding variable such as standardization, propensity score, stratification, restriction, statistical model for control, matching, randomization were reviewed. </span></span><br>
<span style="line-height:150%"><b><span style="line-height:150%">Results</span></b><span style="line-height:150%">: The five most important methods were reviewed.</span></span><br>
<span style="line-height:150%"><b><span style="line-height:150%">Conclusion:</span></b><span style="line-height:150%"> Adequate adjustment improves the internal validity of findings and elucidates the relationships among variables, underscoring the importance of a comprehensive analysis of confounding for trustworthy research results.</span></span></span></span></div>
Confounding variable, Adjustment, Statistical methods, Matching, stratification
97
103
http://jhr.ssu.ac.ir/browse.php?a_code=A-10-1445-4&slc_lang=en&sid=1
Muhammad
Ajmal Dina
ajmaljhl@gmail.com