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American Journal of Epidemiology

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https://www.readbyqxmd.com/read/28641392/alcohol-is-not-protective-against-mortality-following-traumatic-brain-injury
#1
Jennifer S Albrecht, Majid Afshar, Deborah M Stein, Gordon S Smith
Alcohol exposure results in reduced mortality following traumatic brain injury (TBI) in animal models, yet clinical studies reported conflicting results and clinical trials based on proposed mechanisms have been disappointing. Methodological issues common to many of the clinical studies may have contributed to spurious results. Our objective was to evaluate the association between blood alcohol concentration (BAC) and in-hospital mortality following TBI, overcoming methodological problems of prior studies. We conducted a retrospective cohort study on individuals treated for isolated TBI at the R Adams Cowley Shock Trauma Center between 1997-2012 (n = 1,084)...
June 21, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28641390/racial-and-ethnic-disparities-in-the-incidence-of-esophageal-cancer-in-the-united-states-1992-2013
#2
Shao-Hua Xie, Sirus Rabbani, Jessica Petrick, Michael B Cook, Jesper Lagergren
Racial and ethnic disparities in the incidence of esophageal cancer have not been thoroughly characterized with quantitative health disparity measures. Using data from 13 cancer registries in the Surveillance, Epidemiology, and End Results database, we assessed such disparities by histological type during 1992-2013 in the United States based on a variety of disparity metrics. The age-standardized incidence rate of squamous cell carcinoma was highest among blacks, while adenocarcinoma mainly affected white men...
June 21, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28641376/height-weight-and-aerobic-fitnessin-relation-to-risk-of-atrial-fibrillation
#3
Casey Crump, Jan Sundquist, Marilyn A Winkleby, Kristina Sundquist
Tall stature or obesity has been associated with higher risk of atrial fibrillation (AF), but reported effects of aerobic fitness have been conflicting. A national cohort study was conducted to examine interactions between height or weight and aerobic fitness among 1,547,478 Swedish military conscripts during 1969-1997 (97-98% of all 18-year-old males) in relation to AF identified from nationwide inpatient and outpatient diagnoses through 2012 (maximum age 62). Increased height, weight, or aerobic fitness (but not muscular strength) at age 18 was associated with higher AF risk in adulthood...
June 21, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28641374/intergenerational-socioeconomic-mobility-and-adult-depression-the-constances-study
#4
Maria Melchior, Abdelkrim Ziad, Emilie Courtin, Marcel Goldberg, Marie Zins, Judith van der Waerden
Socioeconomic mobility from childhood onwards may predict depression risk in adulthood. Using data from the nationally representative CONSTANCES study in France (2012-2014, n = 67,057), we assessed the relationship between intergenerational socioeconomic mobility and adult depression (Center for Epidemiological Studies-Depression scale, > = 16 in men, > = 20 in women) and antidepressant use. Socioeconomic position was ascertained by occupational grade (childhood: maternal and paternal measures prior to age 15 years combined; adult: participant own)...
June 21, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28641373/estimating-influenza-vaccine-effectiveness-in-the-test-negative-design-using-alternative-control-groups-a-systematic-review-and-meta-analysis
#5
Shuo Feng, Benjamin J Cowling, Heath Kelly, Sheena G Sullivan
One important assumption in case-control studies is that control selection should be independent of exposure. Nevertheless, it has been hypothesized that virus interference might lead to a correlation between receipt of influenza vaccination and increased risk of infection with other respiratory viruses. We investigated if such a phenomenon might affect a commonly used study design to estimate influenza vaccination effectiveness (VE). We searched publications in Medline, PubMed and Web of Science. Twelve studies were identified reporting VE estimates using the test-negative design by three alternative control groups: (1) all patients testing negative for influenza, VEFLU-, (2) patients who tested positive for other respiratory viruses, VEORV+, or (3) patients who tested negative for all viruses tested, VEPAN-...
June 21, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28641372/comparison-of-sociodemographic-and-health-related-characteristics-of-uk-biobank-participants-with-the-general-population
#6
Anna Fry, Thomas J Littlejohns, Cathie Sudlow, Nicola Doherty, Ligia Adamska, Tim Sprosen, Rory Collins, Naomi E Allen
UK Biobank is a population-based cohort of 500,000 participants recruited between 2006 and 2010. Approximately 9.2 million individuals aged 40-69 years who lived within 25 miles of the 22 assessment centres in England, Wales and Scotland were invited, and 5.4% participated in the baseline assessment. The representativeness of the UK Biobank cohort was investigated by comparing demographic characteristics between non-responders and responders. Sociodemographic, physical, lifestyle and health-related characteristics of the cohort were compared with nationally representative data sources...
June 21, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28641369/markers-of-inflammation-and-incident-breast-cancer-risk-in-the-women-s-health-study
#7
Deirdre K Tobias, Akintunde O Akinkuolie, Paulette D Chandler, Patrick R Lawler, JoAnn E Manson, Julie E Buring, Paul M Ridker, Lu Wang, I-Min Lee, Samia Mora
Chronic inflammation may be a risk factor for breast cancer development and progression, yet which inflammatory biomarkers and pathways are relevant is unknown. The study included 27,071 Women's Health Study participants (mean, 54.5 years old) free of cancer and cardiovascular disease at enrollment (1992 to 1995) with baseline measures of four inflammatory biomarkers: high sensitivity C-reactive protein (hsCRP), fibrinogen, N-acetyl side-chains of acute phase proteins (GlycA), and soluble intercellular adhesion molecule-1 (sICAM-1)...
June 21, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28641367/annual-crop-yield-variation-child-survival-and-nutrition-among-subsistence-farmers-in-burkina-faso
#8
Kristine Belesova, Antonio Gasparrini, Ali Sié, Rainer Sauerborn, Paul Wilkinson
Whether year to year variation in crop yields affects the nutrition, health, and survival of subsistence farming populations is relevant to the understanding of the potential impacts of climate change. However, the empirical evidence is limited. We examined the association of child survival with inter-annual variation in food crop yield and middle-upper arm circumference (MUAC) in a subsistence farming population of rural Burkina Faso. The study was of 44,616 children < 5 years of age included in the Nouna Health and Demographic Surveillance System, 1992-2012, whose survival was analysed in relation to the food crop yield in the year of birth (which ranged from 65% to 120% of the period average) and, for a subset of 16,698 children, to MUAC, using shared frailty Cox proportional hazards models...
June 21, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28641366/human-papillomavirus-vaccine-dose-effectiveness-against-incident-genital-warts-in-a-cohort-of-insured-us-females
#9
Susan Hariri, Megan S Schuler, Allison L Naleway, Matthew F Daley, Sheila Weinmann, Bradley Crane, Sophia R Newcomer, Dennis Tolsma, Lauri E Markowitz
We examined effectiveness of HPV vaccination by dose number and interval against incident genital warts in a cohort of 64,517 females in the United States during 8/2006-9/2012. Eligible females were classified into 0, 1-dose, 2-dose < 6 months apart, 2-dose ≥6 months apart, and 3-dose groups and followed until genital wart diagnosis, loss to follow-up, or end of study. Propensity score weights were used to balance baseline differences across groups. To account for latent genital warts before vaccination, 6-month and 12-month buffer periods from last and first vaccine dose, respectively, were applied...
June 21, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28637333/infections-in-early-life-and-development-of-celiac-disease
#10
Andreas Beyerlein, Ewan Donnachie, Anette-Gabriele Ziegler
Early infections have been suggested to be associated with increased risk for later celiac disease (CD). We analyzed prospective claims data of n = 295,420 infants from Bavaria, Germany, born between 2005 and 2007 containing information on medically attended infectious diseases according to ICD-10 code on a quarterly basis to calculate hazard ratios and 95% confidence intervals of time to CD diagnosis by infection exposure, adjusting for sex, calendar month of birth and number of previous healthcare visits...
June 16, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28637302/re-risk-prediction-for-epithelial-ovarian-cancer-in-11-united-states-based-case-control-studies-incorporation-of-epidemiologic-risk-factors-and-17-confirmed-genetic-loci
#11
(no author information available yet)
No abstract text is available yet for this article.
June 16, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28637238/chlamydia-trachomatis-seroprevalence-and-ultrasound-diagnosed-uterine-fibroids-in-a-large-population-of-young-african-american-women
#12
Kristen R Moore, Jennifer S Smith, Stephen R Cole, Dirk P Dittmer, Victor J Schoenbach, Donna D Baird
Reproductive tract infections have long been hypothesized to increase fibroid risk. Few studies have been conducted, even for the common infection, genital Chlamydia trachomatis (gCT), and only with self-reported gCT data. Our investigation used micro-immunofluorescence serology for gCT to characterize past exposure. We used cross-sectional enrollment data from a prospective fibroid study in the Detroit, Michigan area; ultrasound examinations systematically screened for fibroids. Participants were African-American women ages 23-34 (recruited 2010-2012)...
June 16, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28637230/perceived-stress-and-its-relationship-with-chronic-conditions-and-multimorbidity-among-229-293-community-dwelling-adults-in-44-low-and-middle-income-countries
#13
Davy Vancampfort, Ai Koyanagi, Philip B Ward, Nicola Veronese, André F Carvalho, Marco Solmi, James Mugisha, Simon Rosenbaum, Marc De Hert, Brendon Stubbs
This study assessed the association of chronic conditions and multimorbidity with perceived stress among community-dwelling adults in 44 low- and middle-income countries. Data were analyzed from the World Health Survey (2002-2004) including 229,293 adults. A perceived stress score [range 0 (lowest stress) -100 (highest stress)] was computed based on two questions from the Perceived Stress Scale. Eleven chronic conditions were assessed. Multivariable linear regression analyses were conducted to explore the associations...
June 16, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28637226/epidemiologic-risk-factors-for-in-situ-and-invasive-breast-cancer-among-postmenopausal-women-in-the-nih-aarp-diet-and-health-study
#14
Maeve Mullooly, Zeina G Khodr, Cher M Dallal, Sarah J Nyante, Mark E Sherman, Roni Falk, Linda M Liao, Jeffrey Love, Louise A Brinton, Gretchen L Gierach
Comparing risk factor associations between invasive breast cancers and possible precursors may further understanding of factors related to initiation versus progression. Accordingly, among 190,325 postmenopausal participants in the National Institutes of Health-AARP Diet and Health Study (1995-2011), we compared risk factor associations between incident ductal carcinoma in situ (DCIS: n = 1,453) and invasive ductal carcinomas (n = 7,525) and lobular carcinoma in situ (LCIS: n = 186) and invasive lobular carcinomas (n = 1,191)...
June 16, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28633404/agreement-between-35-published-frailty-scores-in-the-general-population
#15
Gloria A Aguayo, Anne-Françoise Donneau, Michel T Vaillant, Anna Schritz, Oscar H Franco, Saverio Stranges, Laurent Malisoux, Michèle Guillaume, Daniel R Witte
In elderly populations, frailty is associated with higher mortality risk. Although many frailty scores (FS) have been proposed, no single score is considered the gold standard. We aimed to evaluate the agreement between a wide range of FS in the English Longitudinal Study of Ageing (ELSA). Through a literature search, we identified 35 FS that could be calculated in ELSA wave 2 (2004-2005). We examined agreement between each frailty score and the mean of 35 FS, using a modified Bland-Altman model and Cohen's kappa (κ)...
June 15, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28633422/-research-on-infertility-definition-makes-a-difference-revisited
#16
Melanie H Jacobson, Helen B Chin, Ann C Mertens, Jessica B Spencer, Amy Fothergill, Penelope P Howards
In a 1989 paper (Am J Epidemiol. 1989;130(2):259-67), Marchbanks et al. noted inconsistent definitions of infertility across research and clinical practice and examined differences in prevalence estimates across definitions. Since their study, there have been substantial changes in society, technology, and clinical practice related to female reproductive health. In response, we revisited the original paper using data from a recent study among reproductive-aged women. Internal comparisons across various definitions of infertility were made by assessing how many and which women were classified as infertile, their age at infertility, and probability of spontaneous pregnancy after infertility; results were also compared with Marchbanks et al...
June 14, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28633415/response-to-invitation-to-submit-a-reply-to-commentaryaje-00463-2017-can-estimation-of-sodium-intake-be-improved-by-borrowing-information-from-other-variables-tied-to-aje-00876-2016-r4-biomarker-calibrated-sodium-and-potassium-intake-and-cardiovascular-disease
#17
https://www.readbyqxmd.com/read/28633392/can-estimation-of-sodium-intake-be-improved-by-borrowing-information-from-other-variables
#18
Lawrence J Appel, David R Jacobs
Estimation of dietary sodium intake is problematic. The most accurate measure is average sodium excretion from multiple 24 hour urine collections, but such an approach is impractical. Using data from the Women's Health Initiative, Prentice and colleagues assessed the relationship of calibrated estimates of sodium and potassium excretion with cardiovascular outcomes. The calibrated estimates are a function of self-reported sodium/potassium ratio from a food frequency questionnaire, age, body mass index, race, supplement use, smoking status, education, income, and aspirin use...
June 14, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28633387/anal-intercourse-among-female-sex-workers-in-c%C3%A3-te-d-ivoire-prevalence-determinants-and-model-based-estimates-of-the-population-level-impact-on-hiv-transmission
#19
Mathieu Maheu-Giroux, Stefan Baral, Juan F Vesga, Daouda Diouf, Souleymane Diabaté, Michel Alary, Kouamé Abo, Marie-Claude Boily
Current evidence suggests that anal intercourse (AI) during sex work is common in sub-Saharan Africa, but few studies investigated the contribution of heterosexual AI to HIV epidemics. Using a respondent-driven sampling survey of female sex workers (FSW) in Abidjan (2014), we estimated AI prevalence and frequency. Poisson regressions were used to identify AI determinants. About 20% of FSW (N = 466) engaged in AI during a normal week (95% confidence intervals: 15-26%). Women who performed AI were generally younger, had been selling sex for longer, were born in Côte d'Ivoire, reported higher sex-work income, more frequent sex in public places, and violence from clients than women not reporting AI...
June 14, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28633381/robust-tests-for-additive-gene-environment-interaction-in-case-control-studies-using-gene-environment-independence
#20
Gang Liu, Seunggeun Lee, Alice W Lee, Anna H Wu, Elisa V Bandera, Allan Jensen, Mary Anne Rossing, Kirsten B Moysich, Jenny Chang-Claude, Jennifer Doherty, Aleksandra Gentry-Maharaj, Lambertus Kiemeney, Simon A Gayther, Francesmary Modugno, Leon Massuger, Ellen L Goode, Brooke Fridley, Kathryn L Terry, Daniel W Cramer, Susan J Ramus, Hoda Anton-Culver, Argyrios Ziogas, Jonathan P Tyrer, Joellen M Schildkraut, Susanne K Kjaer, Penelope M Webb, Roberta B Ness, Usha Menon, Andrew Berchuck, Paul D Pharoah, Harvey Risch, Celeste Leigh Pearce, Bhramar Mukherjee
There have been recent proposals advocating the use of additive gene-environment interaction instead of the widely used multiplicative scale, as a more relevant public health measure. Using gene-environment independence enhances the power for testing multiplicative interaction in case-control studies. However, under departure from this assumption, substantial bias in the estimates and inflated Type I error in the corresponding tests can occur. This paper extends the empirical Bayes (EB) approach previously developed for multiplicative interaction that trades off between bias and efficiency in a data-adaptive way, to the additive scale...
June 14, 2017: American Journal of Epidemiology
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