Malihe Khoramdad; Yousef Alimohamadi; Saeed Safiri; Reza Pakzad; Ebrahim Shakiba; Jabbar Shafiei; Alireza Firouzi
Volume 19, Issue 7 , July 2017, , Pages 1-9
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 ...
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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.
Malihe Khoramdad; Mehrali Rahimi; Zahra Cheraghi; Neda Izadi; Yousef Alimohamadi; Alireza Firouzi; Jabbar Shafiei
Volume 19, Issue 3 , March 2017, , Pages 1-9
Abstract
Context: There is no global consensus on the issue that what dairy subgroups can affect diabetes; thus, this meta-analysis aims to shed light on this matter. Evidence Acquisition: Main electronic databases such as Web of Science, Scopus, Science Direct, and PubMed, updated to March 2016, were investigated. ...
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Context: There is no global consensus on the issue that what dairy subgroups can affect diabetes; thus, this meta-analysis aims to shed light on this matter. Evidence Acquisition: Main electronic databases such as Web of Science, Scopus, Science Direct, and PubMed, updated to March 2016, were investigated. All original articles from Prospective Cohort and Case-Cohort studies examining the relationship between dairy products subgroups consumption and the risk of diabetes were brought under consideration without any restrictions on age, gender, language, race, and publication year. To validate this study, the STROBE checklist was used. The indices of relative risk and rate ratio were reported using Random Effect Model.Results: Out of 1391 articles, 13 (covering 421,421 people) were introduced to the current meta-analysis. The findings showed that the consumption of yoghurt and cream has preventive effects on the risk of diabetes: Yogurt: relative risk = 0.74 (95% CI: 0.65, 0.84), rate ratio = 0.66 (95% CI: 0.63, 0.70); Cream: rate ratio = 0.86 (95% CI: 0.82, 0.91). Although the relative risk index showed that milk consumption diminishes the risk of diabetes by 11%, this relationship was not statistically significant: Milk: relative risk = 0.89 (95% CI: 0.82, 0.97), rate ratio = 1.07 (95% CI: 0.93, 1.24). This study also indicated that intake of low-fat milk, ice cream, and cheese has no impact on the incidence of diabetes: Cheese: relative risk = 0.92 (95% CI: 0.82, 1.04), rate ratio = 1.04 (95% CI: 0.93, 1.16); Low-fat milk: rate ratio = 0.93 (95% CI: 0.76, 1.14); Ice cream: rate ratio = 1.05 (95% CI: 0.93, 1.18). Conclusions: Due to the scarcity of studies related to some dairy subgroups, it is not possible to make a final judgment about their effects on the risk of diabetes; therefore, more studies need to be conducted on this issue.
