Author/Authors :
Pakzad Saeed-Reza نويسنده , Alimohamadi Yousef نويسنده MSc of Epidemiology, Department of Epidemiology , Khoramdad Malihe نويسنده Department of Epidemiology & Health, Kermanshah University of Medical Sciences, Kermanshah, Iran. , Shafiei Jabbar نويسنده Department of Statistics and Epidemiology, Shahid Sadoughi University of Medical Sciences, International Campus, Yazd, Iran. , Firouzi Alireza نويسنده Department of General Linguistics, Allameh Tabataba’i University, Tehran, Iran. , Shakiba Ebrahim نويسنده Department of Biochemistry, Medical School, Kermanshah University of Medical Sciences, Kermanshah, Iran. , Safiri Saeed نويسنده Managerial Epidemiology Research Center, Department of
Public Health, School of Nursing and Midwifery, Maragheh University
of Medical Sciences, Maragheh, Iran
Abstract :
Context The relationship between dairy products consumption and
the incidence of diabetes is investigated in various studies leading to
contradictory results; therefore, the current meta-analytical study
aimed at shedding light on the matter and estimating the potentiality of
diabetes resulting from consuming dairy products. Evidence Acquisition
The study used some reliable electronic databases such as Web of
Science, Scopus, Science Direct, and PubMed revised to March 2016. All
original articles from prospective cohort and case-cohort studies
examining the relationship between dairy products consumption and the
risk of diabetes were considered without any restrictions on age,
gender, language, race, and publication year. To assess the quality of
the study, the STROBE (strengthening the reporting of observational
studies in epidemiology) checklist was employed. The indices of relative
risk and rate ratio were reported using the random effect model. Results
Out of 1391 articles, 14 studies (covering 458,082 subjects) were
included in the current meta-analysis. The findings showed that
consuming dairy products prevents diabetes: total dairy decreases the
risk of diabetes by 8% to 12% (relative risk = 0.88 (95%CI: 0.80, 0.96),
rate ratio = 0.92 (95%CI: 0.88, 0.97)). The decrease adds up from 11% to
19% in the case of consuming low-fat dairy (relative risk = 0.81 (95%CI:
0.68, 0.96); rate ratio = 0.89 (95%CI: 0.85, 0.93)). In spite of the
fact that high-fat dairy diminishes the risk of diabetes, the
relationship is not statistically significant (relative risk = 0.98
(95%CI: 0.78, 1.24); rate ratio = 1.01 (95%CI: 0.96, 1.06)). Conclusions
The current study indicated that the consumption of total dairy and
low-fat dairy had a preventive impact on the incidence of diabetes;
therefore, it seems that drawing up some plans in this regard decreases
the risk of the disease.
