Influence of body mass index on breast cancer risk related dietary patterns among women in Northern Tanzania: a case-control study

2011 ◽  
Vol 73 (08/09) ◽  
Author(s):  
I Jordan ◽  
A Hebestreit ◽  
B Swai ◽  
M Krawinkel
2012 ◽  
Vol 52 (3) ◽  
pp. 905-915 ◽  
Author(s):  
Irmgard Jordan ◽  
Antje Hebestreit ◽  
Britta Swai ◽  
Michael B. Krawinkel

2010 ◽  
Vol 19 (6) ◽  
pp. 1532-1544 ◽  
Author(s):  
Paula Berstad ◽  
Ralph J. Coates ◽  
Leslie Bernstein ◽  
Suzanne G. Folger ◽  
Kathleen E. Malone ◽  
...  

Author(s):  
Krithiga Shridhar ◽  
Gurpreet Singh ◽  
Subhojit Dey ◽  
Sarvdeep Singh Dhatt ◽  
Jatinder Paul Singh Gill ◽  
...  

Evidence from India, a country with unique and distinct food intake patterns often characterized by lifelong adherence, may offer important insight into the role of diet in breast cancer etiology. We evaluated the association between Indian dietary patterns and breast cancer risk in a multi-centre case-control study conducted in the North Indian states of Punjab and Haryana. Eligible cases were women 30–69 years of age, with newly diagnosed, biopsy-confirmed breast cancer recruited from hospitals or population-based cancer registries. Controls (hospital- or population-based) were frequency matched to the cases on age and region (Punjab or Haryana). Information about diet, lifestyle, reproductive and socio-demographic factors was collected using a structured interviewer-administered questionnaire. All participants were characterized as non-vegetarians, lacto-vegetarians (those who consumed no animal products except dairy) or lacto-ovo-vegetarians (persons whose diet also included eggs). The study population included 400 breast cancer cases and 354 controls. Most (62%) were lacto-ovo-vegetarians. Breast cancer risk was lower in lacto-ovo-vegetarians compared to both non-vegetarians and lacto-vegetarians with odds ratios (95% confidence intervals) of 0.6 (0.3–0.9) and 0.4 (0.3–0.7), respectively. The unexpected difference between lacto-ovo-vegetarian and lacto-vegetarian dietary patterns could be due to egg-consumption patterns which requires confirmation and further investigation.


Author(s):  
Zeinab Heidari ◽  
Saba Jalali ◽  
Fatemeh Sedaghat ◽  
Mehdi Ehteshami ◽  
Bahram Rashidkhani

2021 ◽  
Vol 11 (1) ◽  
Author(s):  
Mariem Hajji-Louati ◽  
Emilie Cordina-Duverger ◽  
Nasser Laouali ◽  
Francesca-Romana Mancini ◽  
Pascal Guénel

AbstractDietary regimens promoting inflammatory conditions have been implicated in breast cancer development, but studies on the association between pro-inflammatory diet and breast cancer risk have reported inconsistent results. We investigated the association between the inflammatory potential of diet and breast cancer risk in a case–control study in France including 872 breast cancer cases and 966 population controls. All women completed a food frequency questionnaire that was used to compute a Dietary Inflammatory Index (DII) based on the inflammatory weight of 33 dietary components. The DII ranged from a median of − 3.22 in the lowest quartile (anti-inflammatory) to + 2.96 in the highest quartile (pro-inflammatory). The odds ratio contrasting quartile 4 to quartile 1 was 1.31 (95% CI 1.00, 1.73; p-trend = 0.02). Slightly higher odds ratios were observed in post-menopausal women, particularly those with body mass index > 25 kg/m2 (odds ratio 1.62; 95% CI 0.92, 2.83; p-trend = 0.02), and among ever smokers (odds ratio 1.71; 95% CI 1.11, 2.65; p-trend 0.01). The analyses by breast cancer subtype showed that the DII was associated with breast tumors that expressed either the estrogen (ER) or progesterone (PR) hormone receptors or the Human Epidermal Growth Factor Receptor-2 (HER2), but no association was seen for the triple negative breast tumor subtype. Our results add further evidence that a pro-inflammatory diet is associated with breast cancer risk with possible effect variation according to tumor subtype.


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