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Relative excess risk due to interaction

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https://www.readbyqxmd.com/read/28641376/height-weight-and-aerobic-fitnessin-relation-to-risk-of-atrial-fibrillation
#1
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/28633381/robust-tests-for-additive-gene-environment-interaction-in-case-control-studies-using-gene-environment-independence
#2
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
https://www.readbyqxmd.com/read/28615149/cardiovascular-and-metabolic-effects-of-metformin-in-patients-with-type-1-diabetes-removal-a-double-blind-randomised-placebo-controlled-trial
#3
John R Petrie, Nishi Chaturvedi, Ian Ford, Martijn C G J Brouwers, Nicola Greenlaw, Therese Tillin, Irene Hramiak, Alun D Hughes, Alicia J Jenkins, Barbara E K Klein, Ronald Klein, Teik C Ooi, Peter Rossing, Coen D A Stehouwer, Naveed Sattar, Helen M Colhoun
BACKGROUND: Metformin might reduce insulin requirement and improve glycaemia in patients with type 1 diabetes, but whether it has cardiovascular benefits is unknown. We aimed to investigate whether metformin treatment (added to titrated insulin therapy) reduced atherosclerosis, as measured by progression of common carotid artery intima-media thickness (cIMT), in adults with type 1 diabetes at increased risk for cardiovascular disease. METHODS: REMOVAL was a double-blind, placebo-controlled trial undertaken at 23 hospital diabetes clinics in five countries (Australia, Canada, Denmark, the Netherlands, and the UK)...
June 9, 2017: Lancet Diabetes & Endocrinology
https://www.readbyqxmd.com/read/28584635/interactions-between-polymorphisms-in-the-3-untranslated-region-of-the-cyclin-dependent-kinase-6-gene-and-the-human-papillomavirus-infection-and-risk-of-cervical-precancerous-lesions
#4
Xingguang Ye, Lipeng Jing, Xingming Zhong, Di Xiao, Meiling Ou, Congcong Guo, Guang Yang, Chunxia Jing, Xiangcai Wei
The human papillomavirus (HPV) infection is essential for the development of cervical cancer and its precursor lesions. However, only certain persistently infected individuals develop cervical cancer. Cyclin-dependent kinase 6 (CDK6) is a critical regulatory cancer-associated gene in the cell cycle and in tumorigenesis. Single nucleotide polymorphisms (SNPs) in microRNA sites in the 3'-untranslated region (UTR) of target genes may result in target gene expression level changes and susceptibility to diseases, including cancer...
June 2017: Biomedical Reports
https://www.readbyqxmd.com/read/28580624/coupled-effects-of-wind-storms-and-drought-on-tree-mortality-across-115-forest-stands-from-the-western-alps-and-the-jura-mountains
#5
Katalin Csilléry, Georges Kunstler, Benoît Courbaud, Denis Allard, Pierre Lassegues, Klaus Haslinger, Barry Gardiner
Damage due to wind storms and droughts are increasing in many temperate forest, yet little is known about the long-term roles of these key climatic factors in forest dynamics and in the carbon budget. The objective of this study was to estimate individual and coupled effects of droughts and wind-storms on adult tree mortality across a 31-year period in 115 managed, mixed-coniferous forest stands from the Western Alps and the Jura mountains. For each stand, yearly mortality was inferred from management records, yearly drought from interpolated fields of monthly temperature, precipitation and soil water holding capacity, and wind-storms from interpolated fields of daily maximum wind-speed...
June 5, 2017: Global Change Biology
https://www.readbyqxmd.com/read/28576267/age%C3%A2-%C3%A3-gender-interaction-effect-on-resuscitation-outcomes-in-patients-with-out-of-hospital-cardiac-arrest
#6
Akihito Hagihara, Daisuke Onozuka, Junko Ono, Takashi Nagata, Manabu Hasegawa
Although an interaction between gender and age has been shown to influence resuscitation outcomes in patients with out-of-hospital cardiac arrest (OHCA), this interaction has not been investigated in Asian populations. In this prospective, observational study, data from all cases of OHCA in Japan between 2005 and 2012 were obtained from the Japanese National Registry. We determined the relative excess risk due to interaction and the ratio of odds ratios (ORs) to assess the interaction effect of gender and age on the incidence of return of spontaneous circulation (ROSC) before hospital arrival, 1-month survival, and neurologically intact survival 1 month after OHCA...
May 10, 2017: American Journal of Cardiology
https://www.readbyqxmd.com/read/28566527/interactions-between-5-lipoxygenase-polymorphisms-and-adipose-tissue-contents-of-arachidonic-and-eicosapentaenoic-acids-do-not-affect-risk-of-myocardial-infarction-in-middle-aged-men-and-women-in-a-danish-case-cohort-study
#7
Anders Gammelmark, Søren Lundbye-Christensen, Anne Tjønneland, Erik B Schmidt, Kim Overvad, Michael S Nielsen
Background: The 5-lipoxygenase pathway has been linked to atherothrombotic disease, and a functional tandem repeat polymorphism in the arachidonate lipoxygenase-5 (ALOX-5) gene has been associated with the risk of myocardial infarction (MI). Interestingly, 2 studies have reported an interaction between dietary intakes of the ALOX-5 substrates, arachidonic acid (AA) and eicosapentaenoic acid (EPA), and genotype.Objective: We investigated whether the interactions between the ALOX-5 tandem repeat polymorphism (rs59439148) and adipose tissue AA and EPA were associated with incident MI...
May 31, 2017: Journal of Nutrition
https://www.readbyqxmd.com/read/28553992/does-age-modify-the-association-between-psychosocial-factors-at-work-and-deterioration-of-self-rated-health
#8
Hermann Burr, Hans Martin Hasselhorn, Norbert Kersten, Anne Pohrt, Reiner Rugulies
Objectives Few epidemiological studies have examined whether associations of psychosocial working conditions with risk of poor health differ by age. Based on results from mostly cross-sectional studies, we test whether (i) psychosocial relational factors (social support) are more strongly associated with declining health of older than younger employees and (ii) psychosocial job factors (workpace, influence, possibilities for development) are more strongly associated with declining health of younger than older employees...
May 29, 2017: Scandinavian Journal of Work, Environment & Health
https://www.readbyqxmd.com/read/28529598/biological-interaction-of-cigarette-smoking-on-the-association-between-genetic-polymorphisms-involved-in-inflammation-and-the-risk-of-lung-cancer-a-case-control-study-in-japan
#9
Yuzo Yamamoto, Chikako Kiyohara, Saiko Suetsugu-Ogata, Naoki Hamada, Yoichi Nakanishi
Chronic inflammation serves an important role in lung carcinogenesis, thus genetic polymorphisms involved in this pathway may affect the risk of lung cancer. The present case-control study focused on the association between lung cancer risk and genetic polymorphisms involved in inflammatory pathways. The study comprised 462 lung cancer cases and 379 controls from Japan. The roles of interleukin 8 (IL8) rs4073, nuclear factor kappa B (NFκB) rs28362491, cytochrome b-245, alpha polypeptide (CYBA) rs4673, NAD(P) H dehydrogenase, quinone 1 (NQO1) rs1800566, nitric oxide synthase 2 and inducible (NOS2) rs2297518 polymorphisms in lung carcinogenesis were investigated...
May 2017: Oncology Letters
https://www.readbyqxmd.com/read/28520847/maternal-exposure-to-nitrogen-dioxide-intake-of-methyl-nutrients-and-congenital-heart-defects-in-offspring
#10
Jeanette A Stingone, Thomas J Luben, Suzan L Carmichael, Arthur S Aylsworth, Lorenzo D Botto, Adolfo Correa, Suzanne M Gilboa, Peter H Langlois, Wendy N Nembhard, Jennifer Richmond-Bryant, Gary M Shaw, Andrew F Olshan
Nutrients that regulate methylation processes may modify susceptibility to the effects of air pollutants. Data from the National Birth Defects Prevention Study, 1997-2006, were used to estimate associations between maternal exposure to nitrogen dioxide (NO2), dietary intake of methyl nutrients and the odds of congenital heart defects in offspring. NO2 concentrations, a marker of traffic-related air pollution, averaged across post-conception weeks 2-8, were assigned to 6160 non-diabetic mothers of cases and controls using inverse distance-squared weighting of air monitors within 50 km of maternal residence...
May 18, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28516333/risk-of-hip-fracture-in-older-people-using-selective-serotonin-reuptake-inhibitors-and-other-psychoactive-medicines-concurrently-a-matched-case-control-study-in-australia
#11
Michael J Leach, Nicole L Pratt, Elizabeth E Roughead
BACKGROUND: Few studies have assessed the risk of hip fracture following concurrent use of psychoactive medicines, and none has investigated combinations with selective serotonin reuptake inhibitors. OBJECTIVES: To assess the risk of hip fracture in older people as a result of concurrent use of selective serotonin reuptake inhibitors and other psychoactive medicines. METHODS: A matched case-control design was employed. Cases were Australian Government Department of Veterans' Affairs beneficiaries aged over 65 years who experienced a hip fracture between 2009 and 2012...
June 2017: Drugs—Real World Outcomes
https://www.readbyqxmd.com/read/28486582/binge-drinking-modifies-the-association-between-lifetime-alcohol-intake-and-breast-cancer-risk-in-moderate-drinkers
#12
Alexandra J White, Lisa A DeRoo, Clarice R Weinberg, Dale P Sandler
The prevalence of binge drinking is rising in the United States. While alcohol is a breast cancer risk factor, less is known about the impact of episodic heavy drinking. Breast cancer-free women, ages 35-74, were enrolled in the Sister Study from 2003-2009 (n = 50,884). United States or Puerto Rico residents who had a sister with breast cancer were eligible. Multivariable Cox regression was used to estimate adjusted hazard ratios (HRs) and 95% confidence intervals (CIs) for breast cancer. 1,843 invasive breast cancers were diagnosed during follow-up (mean = 6...
May 9, 2017: American Journal of Epidemiology
https://www.readbyqxmd.com/read/28440717/serum-carotenoid-interactions-in-premenopausal-women-reveal-%C3%AE-carotene-is-negatively-impacted-by-body-fat
#13
Emily Taylor Nuss, Ashley R Valentine, Zhumin Zhang, HuiChuan Jennifer Lai, Sherry A Tanumihardjo
Increasing body mass indices (BMIs) across the globe reflect pandemic shifts towards habitual positive energy imbalances. Excess body fat in individuals is often associated with high-energy and high-fat diets scanty in fresh produce. Carotenoids are fat-soluble pigments plentiful in many fruits and vegetables. They are well-known for provitamin A and antioxidant functions, but little research has been done related to carotenoid-body mass interactions. Serum carotenoids were analyzed relative to body fat to determine correlations between major serum carotenoids, retinol, BMI, fat mass, and lean mass...
January 1, 2017: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28421238/the-impact-of-low-education-and-poor-health-on-unemployment-varies-by-work-life-stage
#14
Sander K R van Zon, Sijmen A Reijneveld, Carlos F Mendes de Leon, Ute Bültmann
OBJECTIVES: The aim of this study is to examine associations and interactions of education, and physical and mental health with unemployment in early, mid, and late work life. METHODS: This cross-sectional study uses data from 69,118 respondents from Lifelines. Health status was measured with the RAND-36, education was self-reported, and participants working <12 h per week or indicating to be unemployed were considered unemployed. The relative excess risk due to interaction (RERI) was calculated to measure interaction on the additive scale...
April 18, 2017: International Journal of Public Health
https://www.readbyqxmd.com/read/28410138/clinical-functional-behavioural-and-epigenomic-biomarkers-of-obesity
#15
Claudio L Lafortuna, Armando R Tovar, Fabio Rastelli, Sarah A Tabozzi, Martina Caramenti, Ximena Orozco-Ruiz, Miriam Aguilar-Lopez, Martha Guevara-Cruz, Azalia Avila-Nava, Nimbe Torres, Gloria Bertoli
Overweight and obesity are highly prevalent conditions worldwide, linked to an increased risk for death, disability and disease due to metabolic and biochemical abnormalities affecting the biological human system throughout different domains. Biomarkers, defined as indicators of biological processes in health and disease, relevant for body mass excess management have been identified according to different criteria, including anthropometric and molecular indexes, as well as physiological and behavioural aspects...
June 1, 2017: Frontiers in Bioscience (Landmark Edition)
https://www.readbyqxmd.com/read/28391432/thyroxine-exposure-effects-on-the-cranial-base
#16
Emily Durham, R Nicole Howie, Trish Parsons, Grace Bennfors, Laurel Black, Seth M Weinberg, Mohammed Elsalanty, Jack C Yu, James J Cray
Thyroid hormone is important for skull bone growth, which primarily occurs at the cranial sutures and synchondroses. Thyroid hormones regulate metabolism and act in all stages of cartilage and bone development and maintenance by interacting with growth hormone and regulating insulin-like growth factor. Aberrant thyroid hormone levels and exposure during development are exogenous factors that may exacerbate susceptibility to craniofacial abnormalities potentially through changes in growth at the synchondroses of the cranial base...
April 8, 2017: Calcified Tissue International
https://www.readbyqxmd.com/read/28391246/influence-of-obesity-and-physical-workload-on-disability-benefits-among-construction-workers-followed-up-for-37-years
#17
Suzan J W Robroek, Bengt Järvholm, Allard J van der Beek, Karin I Proper, Jens Wahlström, Alex Burdorf
OBJECTIVES: The objectives of this study are to investigate the relation between obesity and labour force exit via diagnosis-specific disability benefits, and whether physical workload modifies this association. METHODS: A longitudinal analysis was performed among 3 28 743 Swedish construction workers in the age of 15-65 years. Body weight and height were measured at a health examination and enriched with register information on disability benefits up to 37 years later...
April 8, 2017: Occupational and Environmental Medicine
https://www.readbyqxmd.com/read/28389496/the-interaction-of-socioeconomic-position-and-type-2-diabetes-mellitus-family-history-a-cross-sectional-analysis-of-the-lifelines-cohort-and-biobank-study
#18
Sander K R van Zon, Harold Snieder, Ute Bültmann, Sijmen A Reijneveld
BACKGROUND: Low socioeconomic position (SEP) and family history of type 2 diabetes mellitus (T2DM) contribute to increased T2DM risk, but it is unclear whether they exacerbate each other's effect. This study examined whether SEP reinforces the association of T2DM family history with T2DM, and whether behavioural and clinical risk factors can explain this reinforcement. METHODS: We used cross-sectional data on 51 725 participants from Lifelines. SEP was measured as educational level and was self-reported, just as family history of T2DM...
April 7, 2017: BMJ Open
https://www.readbyqxmd.com/read/28381121/the-association-of-health-and-voluntary-early-retirement-pension-and-the-modifying-effect-of-quality-of-supervision-results-from-a-danish-register-based-follow-up-study
#19
Astrid de Wind, Hermann Burr, Anne Pohrt, Hans Martin Hasselhorn, Allard Johan Van der Beek, Reiner Rugulies
OBJECTIVES: The aims of this article are to (1) determine whether and to what extent general perceived health and quality of supervision predict voluntary early retirement pension (VERP) and (2) assess whether quality of supervision modifies the association between general perceived health and VERP. METHODS: Employees aged 49-64 years who participated in the Danish Work Environment Cohort Study in 2000 were selected. Their questionnaire data about health and work were linked to register data on social transfer payments, among others VERP, from 2001 to 2012 in the Danish Register for Evaluation of Marginalization ( N=1167)...
April 1, 2017: Scandinavian Journal of Public Health
https://www.readbyqxmd.com/read/28328829/combined-effect-of-obesity-and-uric-acid-on-nonalcoholic-fatty-liver-disease-and-hypertriglyceridemia
#20
Shujun Zhang, Tingting Du, Mengni Li, Huiming Lu, Xuan Lin, Xuefeng Yu
Hyperuricemia is associated with metabolic syndrome (MetS), but the association is often confounded by the shared background of obesity. We sought to explore the modifying effects of obesity on the association between uric acid (UA), MetS components, and nonalcoholic fatty liver disease (NAFLD).We conducted a cross-sectional study in a Chinese population of 10,069 participants aged ≥20 years. Multiplicative interaction between obesity (BMI ≥25 kg/m) and elevated UA was assessed using an interaction term in a logistic regression analysis...
March 2017: Medicine (Baltimore)
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