Validity of self-reported breast cancer characteristics in a nationwide cohort of women with a family history of breast cancer

D’Aloisio, Aimee A.; Nichols, Hazel B.; Hodgson, M. Elizabeth; Deming-Halverson, Sandra; Sandler, Dale P.

doi:10.1186/s12885-017-3686-6

Cited by 51 publications

(44 citation statements)

References 16 publications

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“…A total of 50,884 women completed the extensive baseline enrollment process, which consisted of a comprehensive interview and self‐completed questionnaires covering medical and family cancer history as well as lifestyle and demographic characteristics, including diet and a home exam during which height, weight and weight and hip circumference were measured. Details of the study design, data collection and outcome measurements are described elsewhere . The Sister Study was approved by National Institute of Environmental Health Services/NIH and Copernicus Group Institutional Review Boards, and all participants provided written informed consent.…”

Section: Methodsmentioning

confidence: 99%

“…Details of the study design, data collection and outcome measurements are described elsewhere. 10,11 The Sister Study was approved by National Institute of Environmental Health Services/NIH and Copernicus Group Institutional Review Boards, and all participants provided written informed consent. The data that support the findings of our study are available on request from the corresponding author.…”

Section: Study Populationmentioning

confidence: 99%

“…Agreement between selfreported breast cancer diagnosis and medical records was high (positive predictive value over 99% for overall, invasive and ER-positive breast cancer; 83% for ER-negative disease) and confirmation rates were not systemically different by demographic factors such as ethnicity or age. 11 Therefore, selfreported information was used when medical records were not obtained. Follow-up was through August 14, 2015 (data release 5.0.2).…”

Section: Assessment Of Breast Cancermentioning

confidence: 99%

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Association between meat consumption and risk of breast cancer: Findings from the Sister Study

Park

Sinha

et al. 2019

Intl Journal of Cancer

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Meat consumption has been postulated to increase the risk of breast cancer, but this association has not been consistently seen. We examined the association between consumption of different types of meat, meat mutagens and incident invasive breast cancer. Information on consumption of different meat categories and meat cooking practice behaviors was obtained from 42,012 Sister Study participants who completed a Block 1998 Food Frequency Questionnaire at enrollment (2003–2009) and satisfied eligibility criteria. Exposure to meat type and meat mutagens was calculated, and associations with invasive breast cancer risk were estimated using multivariable Cox proportional hazards regression. During follow‐up (mean, 7.6 years), 1,536 invasive breast cancers were diagnosed at least 1 year after enrollment. Increasing consumption of red meat was associated with increased risk of invasive breast cancer (HRhighest vs. lowest quartile:1.23, 95% CI: 1.02–1.48, ptrend = 0.01). Conversely, increasing consumption of poultry was associated with decreased invasive breast cancer risk (HR highest vs. lowest quartile: 0.85; 95% CI: 0.72–1.00; ptrend = 0.03). In a substitution model with combined red meat and poultry consumption held constant, substituting poultry for red meat was associated with decreased invasive breast cancer risk (HR highest vs. lowest quartile of poultry consumption: 0.72, 95% CI: 0.58–0.89). No associations were observed for cooking practices, estimated heterocyclic amines or heme iron from red meat consumption with breast cancer risk. Red meat consumption may increase the risk of invasive breast cancer, whereas poultry consumption may be associated with reduced risk. Substituting poultry for red meat could reduce breast cancer risk.

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Section: Methodsmentioning

confidence: 99%

Section: Study Populationmentioning

confidence: 99%

Section: Assessment Of Breast Cancermentioning

confidence: 99%

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Association between meat consumption and risk of breast cancer: Findings from the Sister Study

Park

Sinha

et al. 2019

Intl Journal of Cancer

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“…Agreement was high between self‐reported breast cancer diagnosis and medical records (99.4%). Classification of an invasive cancer (99.3%), and estrogen receptor (ER) positive status (99.3%) were also in high agreement . Therefore, self‐reported cases and tumor characteristics were included in the analyses when medical records were not available.…”

Section: Methodsmentioning

confidence: 99%

Higher diet‐dependent acid load is associated with risk of breast cancer: Findings from the sister study

Park

Steck

Fung

et al. 2018

Intl Journal of Cancer

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Dietary factors that contribute to chronic low‐grade metabolic acidosis have been linked to breast cancer risk, but to date no epidemiologic study has examined diet‐dependent acid load and breast cancer. We used data from 43,570 Sister Study participants who completed a validated food frequency questionnaire at enrollment (2003–2009) and satisfied eligibility criteria. The Potential Renal Acid Load (PRAL) score was used to estimate diet‐dependent acid load. Higher scores reflect greater consumption of protein and phosphorus, and lower consumption of potassium, calcium and magnesium. The association between PRAL and breast cancer was evaluated using multivariable Cox proportional hazards regression. We identified 1,614 invasive breast cancers diagnosed at least 1 year after enrollment (mean follow‐up, 7.6 years). The highest PRAL quartile, reflecting greater acid‐forming potential, was associated with increased risk of breast cancer (HRhighest vs. lowest quartile: 1.21 [95% CI, 1.04–1.41], ptrend = 0.04). The association was more pronounced for estrogen receptor (ER)‐negative (HRhighest vs. lowest quartile: 1.67 [95% CI, 1.07–2.61], ptrend = 0.03) and triple‐negative breast cancer (HRhighest vs. lowest quartile: 2.20 [95% CI, 1.23–3.95], ptrend = 0.02). Negative PRAL scores, representing consumption of alkaline diets, were associated with decreased risk of ER‐negative and triple‐negative breast cancer, compared to a PRAL score of 0 representing neutral pH. Higher diet‐dependent acid load may be a risk factor for breast cancer while alkaline diets may be protective. Since PRAL scores are positively correlated with meat consumption and negatively correlated with fruit and vegetable intake, results also suggest that diets high in fruits and vegetables and low in meat may be protective against hormone receptor negative breast cancer.

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“…At the time of this analysis, medical records were available for 81% of cases. Due to the high concordance between self-report and medical records for first primary breast cancer diagnosis, self-reported diagnoses were included when medical record data were unavailable (D’Aloisio et al, 2017). …”

Section: Methodsmentioning

confidence: 99%

Residential exposure to vehicular traffic-related air pollution during childhood and breast cancer risk

Shmuel

White

Sandler

2017

Environmental Research

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Background Some studies have supported an association between traffic-related air pollution exposure and breast cancer risk. However, few studies have considered exposures in early life, which may be a period of increased susceptibility. Objectives To examine the association of childhood residential exposure to traffic-related air pollution with breast cancer development. Methods The Sister Study is a prospective cohort of 50,884 initially breast cancer-free women, of whom 42,934 provided information at enrollment about roads and traffic near their primary childhood residence before age 14 as well as relevant covariates. Adjusted hazard ratios (aHRs) and 95% confidence intervals (CIs) for the association between traffic-related measures at childhood residence and adult incident breast cancer were estimated using Cox regression. Results During follow-up (mean=6.3 years), 2,028 breast cancers were diagnosed. Traffic-related characteristics were not consistently associated with breast cancer risk. However, incidence was elevated among women who reported a median/barrier dividing either their primary childhood residential road (aHR=1.2; 95% CI: 0.9–1.7) or the nearest cross-street (aHR=1.3; 95% CI: 0.9–1.8, if the cross-street was within 100 ft.), and among women whose nearest cross-street had the highest traffic, ≥3 lanes, and/or a median/barrier (aHR= 1.4; 95% CI: 1.0–1.9). Conclusions Measures of potential exposure to vehicular traffic were not consistently associated with breast cancer risk. However, living during childhood on or near a road with a median or other barrier, which may be a more easily remembered road characteristic than the others assessed, was associated with increased breast cancer risk.

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Validity of self-reported breast cancer characteristics in a nationwide cohort of women with a family history of breast cancer

Cited by 51 publications

References 16 publications

Association between meat consumption and risk of breast cancer: Findings from the Sister Study

Association between meat consumption and risk of breast cancer: Findings from the Sister Study

Higher diet‐dependent acid load is associated with risk of breast cancer: Findings from the sister study

Residential exposure to vehicular traffic-related air pollution during childhood and breast cancer risk

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