Dataset Information

Adherence to Cancer Prevention Guidelines among Older White and Black Adults in the Health ABC Study.

ABSTRACT: One-third of cancers can be prevented through healthy lifestyles. This study investigates the prevalence of and factors associated with engagement in cancer prevention guidelines in a population-based cohort of 2124 older white and black men and women. We used Health ABC data to construct a score from 0 (lowest adherence) to 7 (greatest adherence) based on the sum of seven recommendations for cancer prevention from the World Cancer Research Fund/American Institute for Cancer Research; body fatness (maintenance of healthy body weight), physical activity (at least moderately physically active), diet (fruit, vegetables, fiber, and red and processed meat), and alcohol. Mean (SD) scores in men and women were 3.24 (1.09) and 3.17 (1.10). Lower scores were associated with younger age (women only), black race, current smoking, and prevalent cardiovascular disease. Less than 1% of men and women adhered to all recommendations. Of the individual guidelines, adherence was lowest for fiber (9% of men; 6% of women) followed by physical activity (26% of men; 18% of women), and body weight (21% of men; 26% of women). These results suggest a critical public health need, especially given the growing older population. Black older adults, smokers, and those with prevalent disease may be at higher risk and thus warrant additional focus.

SUBMITTER: Jung AY

PROVIDER: S-EPMC6566295 | biostudies-literature | 2019 May

REPOSITORIES: biostudies-literature

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Adherence to Cancer Prevention Guidelines among Older White and Black Adults in the Health ABC Study.

Jung Audrey Y AY Miljkovic Iva I Rubin Susan S Kritchevsky Stephen B SB Klepin Heidi D HD Newman Anne B AB Cauley Jane J Ayonayon Hilsa H Harris Tamara B TB Murphy Rachel A RA

Nutrients 20190503 5

One-third of cancers can be prevented through healthy lifestyles. This study investigates the prevalence of and factors associated with engagement in cancer prevention guidelines in a population-based cohort of 2124 older white and black men and women. We used Health ABC data to construct a score from 0 (lowest adherence) to 7 (greatest adherence) based on the sum of seven recommendations for cancer prevention from the World Cancer Research Fund/American Institute for Cancer Research; body fatne ...[more]

PMID: 31058834

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Project description:This cross-sectional study assessed cortical bone properties via impact microindentation in adults with normoglycemia, prediabetes, and early-stage T2D. Bone material strength index was stable across the glycemia categories in whites but it declined in blacks. Blacks may be more susceptible than whites to impaired cortical bone properties in early diabetes.IntroductionIndividuals with long-standing type 2 diabetes (T2D) have altered cortical bone material properties as determined by impact microindentation. This cross-sectional study was done to determine whether altered cortical bone material properties could be detected in adults with prediabetes or early-stage T2D.MethodsMen and postmenopausal women aged ≥ 50 years with no diabetes (50 white, 6 black), prediabetes (75 white, 13 black), and T2D of ≤ 5 years duration (24 white and 16 black) had assessments of bone material strength index (BMSi) by impact microindentation, trabecular bone score (TBS), and bone mineral density (BMD) by DXA and the advanced glycation end product, urine pentosidine.ResultsThe association between glycemia category and BMSi differed by race (interaction p = 0.037). In the whites, BMSi did not differ across the glycemia categories, after adjustment for age, sex, and BMI (no diabetes 76.3 ± 1.6 (SEM), prediabetes 77.2 ± 1.3, T2D 76.2 ± 2.5, ANCOVA p = 0.887). In contrast, in the blacks, BMSi differed (ANCOVA p = 0.020) and was significantly lower in subjects with T2D than in those with prediabetes (p < 0.05) and no diabetes (p < 0.05) (mean ± SEM BMSi in no diabetes 86.0 ± 4.3, prediabetes 91.0 ± 3.2, and T2D 71.6 ± 2.9). Neither TBS nor urine pentosidine differed significantly across the glycemia categories in either whites or blacks.ConclusionsThese findings suggest different associations of glycemia with cortical bone material properties in blacks and whites, with blacks possibly being more susceptible to impaired cortical bone properties than whites in early diabetes. A larger study is needed to verify these observations.

Project description:Background White matter abnormalities are a common feature of aging and Alzheimer disease, and tend to be more severe among Black individuals. However, the extent to which white matter abnormalities relate to amyloid deposition, a marker of Alzheimer pathology, remains unclear. This cross-sectional study examined the association of white matter abnormalities with cortical amyloid in a community sample of older adults without dementia and examined the moderating effect of race. Methods and Results Participants from the ARIC-PET (Atherosclerosis Risk in Communities-Positron Emission Tomography) study underwent brain magnetic resonance imaging, which quantified white matter hyperintensity volume and microstructural integrity using diffusion tensor imaging. Participants received florbetapir positron emission tomography imaging to measure brain amyloid. Associations between measures of white matter structure and elevated amyloid status were examined using multivariable logistic regression. Among 322 participants (43% Black), each SD increase in white matter hyperintensity volume was associated with a greater odds of elevated amyloid (odds ratio [OR], 1.37; 95% CI, 1.03-1.83) after adjusting for demographic and cardiovascular risk factors. In race-stratified analyses, a greater white matter hyperintensity volume was more strongly associated with elevated amyloid among Black participants (OR, 2.00; 95% CI, 1.15-3.50), compared with White participants (OR, 1.29; 95% CI, 0.89-1.89). However, the race interaction was not statistically significant (P interaction=0.09). We found no association between white matter microstructure and elevated amyloid. Conclusions The results suggest a modest positive relationship between white matter hyperintensity and elevated amyloid in older adults without dementia. Although the results indicate that this association is nonsignificantly stronger among Black participants, these findings will need to be confirmed or refuted using larger multiracial cohorts.

Dataset Information

Adherence to Cancer Prevention Guidelines among Older White and Black Adults in the Health ABC Study.

Publications

Adherence to Cancer Prevention Guidelines among Older White and Black Adults in the Health ABC Study.

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