Dietary Carbohydrate Quality and Quantity and Risk of Breast Cancer among Iranian Women

This study investigated the association between quality and quantity of carbohydrate by assessing low carbohydrates diet score (LCDS), carbohydrate quality score (CQI), glycemic index (GI), dietary glycemic load (GL), and dietary carbohydrate intake, and risk of breast cancer (BrCa) among Iranian wo...

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Bibliographic Details
Published in:Nutrition and cancer 2022, Vol.74 (3), p.916-926
Main Authors: Hosseini, Fatemeh, Imani, Hossein, Sheikhhossein, Fatemeh, Majdi, Maryam, Ghanbari, Mahtab, Shab-Bidar, Sakineh
Format: Article
Language:English
Subjects:
Breast cancer
Breast Neoplasms - epidemiology
Breast Neoplasms - etiology
Cancer research
Carbohydrates
Case-Control Studies
Diet
Dietary Carbohydrates - adverse effects
Dietary intake
Female
Glycemic Index
Glycemic Load
Health risks
Humans
Iran - epidemiology
Low carbohydrate diet
Nutrient deficiency
Prospective Studies
Research facilities
Risk
Risk Factors
Statistical analysis
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Summary:This study investigated the association between quality and quantity of carbohydrate by assessing low carbohydrates diet score (LCDS), carbohydrate quality score (CQI), glycemic index (GI), dietary glycemic load (GL), and dietary carbohydrate intake, and risk of breast cancer (BrCa) among Iranian women. This hospital-based case-control study was carried out in the Cancer Research Center of Imam Khomeini hospital, Iran. We included One hundred and fifty newly diagnosed BrCa cases and one hundred and fifty healthy controls in this study. Socio-demographic and dietary data and anthropometric measures were recorded. We found that a higher CQI than a lower score was associated with a decrease in odds of BrCa (P = 0.04). After adjusting for potential confounders, we observed that CQI was not associated with BrCa development (P = 0.05). An increase in odds of BrCa among women in the highest tertiles of GL (P = 0.12), GI (P = 0.48), and dietary carbohydrate intake (P = 0.06) was seen, which was not statistically significant. There was also a non-significant lower chance of having BrCa with adherence to the LCDS (P = 0.09). Our findings suggest that CQI was not related to BrCa risk among Iranian women. This relation deserves to be investigated in prospective studies.
ISSN:0163-5581
1532-7914
DOI:10.1080/01635581.2021.1942931