Effect of seasonality and weather on fracture risk in individuals 65 years and older

Summary In this large population-based study, fracture rates for hips, distal forearms, proximal humeri, and ankles were higher in winter than in other seasons, although the winter peak was small for hip fractures (p < 0.05 at all sites). Younger age between 65 and 80, living in warmer states and male gender were associated with increased winter morbidity due to fractures. Introduction The objective was to investigate seasonal variation in the incidence of four common fractures, and explore the association of weather with risk. Methods Population-based analysis of individuals age 65 and older, including fractures of the hip, the distal forearm, the proximal humerus and the ankle. Weather information was obtained from the US National Oceanic and Atmospheric Administration website. Results For all fractures, rates were highest in winter and lowest in summer (p < 0.05 at all sites). Winter peaks were more pronounced in warm climate states, in men, and in those younger than 80 years old. In winter, total snowfall was associated with a reduced risk of hip fracture (−5% per 20 inches) but an increased risk of non-hip fractures (6–12%; p < 0.05 at all sites). In summer, hip fracture risk tended to be lower during sunny weather (− 3% per 2 weeks of sunny days; p = 0.13), while other fractures were increased (15%–20%; p < 0.05) in sunny weather. Conclusion Fractures contribute considerably to winter morbidity in older individuals. Younger age between 65 and 80, living in warmer states and male gender are risk factors for increased winter morbidity due to fractures. Weather affects hip fracture risk differently than the other fractures studied. Funding Supported by fellowships from the Harvard Hartford Foundation, from the Swiss Foundation for Nutrition Research, and the International Foundation for the Promotion of Nutrition Research and Nutrition Education.     

Why do Hispanics in the USA report poor health?

Despite the health and survival advantages of Hispanics relative to non-Hispanic whites in the USA, Hispanics report themselves to be in worse health than whites. Prior research indicates that these ethnic differences in self-rated health (SRH), measured by a simple question asking individuals to assess their overall health status, persist in the presence of an extensive set of explanatory variables. In this paper we use data from the first wave of the Los Angeles Family and Neighborhood Survey (L.A.FANS-1) to test three hypotheses regarding Hispanic-white differences in SRH. We evaluate whether poorer health reports among Hispanics result from: (1) acculturation and language-related differences in reports; (2) measures of socioeconomic status (SES) that are often omitted in other studies; and (3) somatization of emotional distress by Hispanics. Our results provide new insights into the validity of these explanations and suggest avenues for future research. First, they underscore the importance of language of interview over other measures of acculturation, suggesting that translation issues between the Spanish and English versions of the SRH question may give rise to some of the differences. Second, adjustment for SES - especially years of schooling - narrows, but does not eliminate, the gap between whites' and Hispanics' SRH. Finally, although respondents who are depressed are more likely to report poor SRH, this study provides little evidence to support the somatization hypothesis. The second wave of L.A.FANS incorporates new questions that are likely to permit more in-depth assessments of these hypotheses in future analyses.     

Understanding differences in past year psychiatric disorders for Latinos living in the US

This study seeks to identify risk factors for psychiatric disorders that may explain differences in nativity effects among adult Latinos in the USA. We evaluate whether factors related to the processes of acculturation and enculturation, immigration factors, family stressors and supports, contextual factors, and social status in the US account for differences in 12-month prevalence of psychiatric disorders for eight subgroups of Latinos. We report results that differentiate Latino respondents by country of origin and age at immigration (whether they were US-born or arrived before age 6: In-US-as-Child [IUSC]; or whether they arrived after age 6: later-arrival immigrants [LAI]). After age and gender adjustments, LAI Mexicans and IUSC Cubans reported a significantly lower prevalence of depressive disorders than IUSC Mexicans. Once we adjust for differences in family stressors, contextual factors and social status factors, these differences are no longer significant. The risk for anxiety disorders appears no different for LAI compared to IUSC Latinos, after age and gender adjustments. For substance use disorders, family factors do not offset the elevated risk of early exposure to neighborhood disadvantage, but coming to the US after age 25 does offset it. Family conflict and burden were consistently related to the risk of mood disorders. Our findings suggest that successful adaptation into the US is a multidimensional process that includes maintenance of family harmony, integration in advantageous US neighborhoods, and positive perceptions of social standing. Our results uncover that nativity may be a less important independent risk factor for current psychiatric morbidity than originally thought.     

Neighborhood economic disadvantage, violent crime, group density, and pregnancy outcomes in a diverse, urban population

Prior research has established associations between pregnancy outcomes and specific neighborhood characteristics, including economic disadvantage, violent crime, and racial/ethnic segregation. Recently, associations have also been found between various health outcomes and group density, the degree to which an individual is a racial or ethnic majority in his or her local community. The objective of this study was to determine the extent to which census tract economic disadvantage, violent crime rate, and group density are associated with pregnancy outcomes among White, Black, and Hispanic infants in a large metropolitan setting. This cross-sectional study utilized 1990 census data, 1991 crime data, and 1991 birth certificate information for singleton live births in Chicago, Illinois. Results show substantial racial segregation in Chicago, with 35% of census tracts having more than 90% Black residents and 45% of census tracts having fewer than 10% Black residents. After stratifying by maternal race/ethnicity, we used multilevel analyses to model pregnancy outcomes as a function of individual and census tract characteristics. Among all racial/ethnic groups, violent crime rate accounted for most of the negative association between tract economic disadvantage and birth weight. Group density was also associated with birth weight but this association was stronger among Whites and Hispanics than among Blacks. Further analysis revealed that group density was more strongly associated with preterm birth while violent crime rate was more strongly associated with small for gestational age. These results suggest that group density and violent crime may impact birth weight via different mechanisms.     

Is hospital service associated with racial and ethnic disparities in experiences with hospital care?

PURPOSE: Little is known about the influence of processes of hospital care on racial and ethnic differences in experiences with hospital care. SUBJECTS AND METHODS: To determine whether patient experiences differed by race and ethnicity and whether these differences were associated with hospital care characteristics, we analyzed survey and hospital administrative data from 2664 adult patients after hospitalization at an urban teaching hospital during 1998-1999. We assessed the association of patient race and ethnicity with reporting problems in multiple dimensions of patient experience, using logistic regression to adjust for sex, age, self-reported health status, insurance status, income, route of hospital admission, and hospital service. We then stratified adjusted analyses by hospital service. RESULTS: After adjustment for demographic and hospital characteristics, black (odds ratio (OR): 1.8; 95% confidence interval [CI]: 1.3-2.6) and Latino (OR: 2.0; 95% CI: 1.3-3.0) patients reported more problems with respect for their preferences compared to whites. Blacks reported more problems with respect for their preferences (OR: 1.7; 95% CI: 1.0-3.0) among patients discharged from surgical services, and Latinos reported more problems with respect for their preferences (OR:3.6; CI: 1.6-8.2) among patients discharged from obstetrical services when compared to whites. Patient experiences did not significantly differ by race among patients discharged from medical services. CONCLUSIONS: We found significant racial and ethnic differences in patients' experiences with hospital care, particularly in respect for patient preferences. Our findings suggest physicians and hospital staff should strive to understand and address the expectations of black and Latino patients, particularly those who are hospitalized for surgical or obstetrical issues.     

Aging and low-grade inflammation reduce renal function in middle-aged and older adults in Japan and the USA

The objective of this study was to investigate the effects of low-grade inflammation on age-related changes in glomerular filtration rate (GFR) in middle-aged and older white Americans, African-Americans, and Japanese adults. Serum creatinine, C-reactive protein (CRP), and interleukin-6 (IL-6) levels were determined for 1570 adult participants in two surveys of aging in the USA and Japan (N = 1188 and 382, respectively). Kidney function declined with age in both countries and was associated with IL-6 and CRP. IL-6 and CRP also influenced the extent of the arithmetic bias when calculating the GFR using the chronic kidney disease epidemiology (CKD-EPI) formula with just serum creatinine. Younger African-Americans initially had the highest GFR but showed a steep age-related decrement that was associated with elevated inflammation. Japanese adults had the lowest average GFR but evinced a large effect of increased inflammatory activity when over 70 years of age. Importantly, our results also indicate that low-grade inflammation is important to consider when evaluating kidney function solely from serum creatinine.     

Race/Ethnicity Concordance Between Patients and Physicians

The growth of our population, especially the older than 65 segment, require more health providers. Moreover, compared to whites, persons of racial/ethnic minorities have less favorable clinical outcomes and this may be related to access to health care. Racial/ethnic concordance between physicians and patients improve outcomes and satisfaction with medical care. New medical schools have been opened, some schools have increased the size of the entering class, and there is the general desire to increase the enrollment and graduation of minority groups' physicians. This report summarizes current progress made in this area.     

Associations of physical symptoms with perceived need for and use of mental health services among Latino and Asian Americans

Although many believe that low rates of perceived mental health need and service use among racial/ethnic minorities are due, in part, to somatization, data supporting this notion are lacking. This study examined two hypotheses: (1) increased physical symptoms are associated with lower perceived need for mental health services and actual service use; and (2) physical symptoms are most strongly associated with perceived mental health need and service use among first-generation individuals. Data come from the National Latino and Asian-American Study, a nationally-representative household survey in the United States conducted from 2002 to 2003. Participants reported on the presence of fourteen physical symptoms within the past year. Perceived mental health need was present for individuals who endorsed having an emotional or substance use problem or thinking they needed treatment for such a problem within the past year. After adjusting for sociodemographic and clinical covariates, the number of physical symptoms was positively associated with perceived mental health need and service, an effect that differed by generation. Among first-generation individuals, physical symptoms were associated with increased perceived need and service use. Physical symptoms were not significantly associated with perceived need or service use among third-generation Latinos, but were associated with service use among third-generation Asian-Americans. Physical symptoms do not appear to interfere with mental health problem recognition or service use. In contrast, individuals, especially of the first-generation, with more physical symptoms were more likely to perceive need for and utilize mental health services. Our findings do not support the notion that physical symptoms account for low rates of perceived mental health need and service use among Latino and Asian-Americans.