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Poisson regression

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https://www.readbyqxmd.com/read/28941415/manganese-in-teeth-and-neurobehavior-sex-specific-windows-of-susceptibility
#1
Julia Anglen Bauer, Birgit Claus Henn, Christine Austin, Silvia Zoni, Chiara Fedrighi, Giuseppa Cagna, Donatella Placidi, Roberta F White, Qiong Yang, Brent A Coull, Donald Smith, Roberto G Lucchini, Robert O Wright, Manish Arora
BACKGROUND: Manganese (Mn) is an essential element required for growth and development, but higher body burdens have been associated with neurobehavioral decrements in children. OBJECTIVES: We examined whether prenatal or postnatal Mn measured in deciduous teeth was associated with scores on a test of visuospatial learning and memory. METHODS: Deciduous teeth were collected from 142 participants (ages 10-14years) residing near varied ferro‑manganese industry in Italy...
September 20, 2017: Environment International
https://www.readbyqxmd.com/read/28938210/contribution-of-industrial-density-and-socioeconomic-status-to-the-spatial-distribution-of-thyroid-cancer-risk-in-hangzhou-china
#2
Xufeng Fei, Zhaohan Lou, George Christakos, Qingmin Liu, Yanjun Ren, Jiaping Wu
BACKGROUND: The thyroid cancer (TC) incidence in China has increased dramatically during the last three decades. Typical in this respect is the case of Hangzhou city (China), where 7147 new TC cases were diagnosed during the period 2008-2012. Hence, the assessment of the TC incidence risk increase due to environmental exposure is an important public health matter. METHODS: Correlation analysis, Analysis of Variance (ANOVA) and Poisson regression were first used to evaluate the statistical association between TC and key risk factors (industrial density and socioeconomic status)...
September 19, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28938050/markers-of-poor-adherence-among-adults-with-hiv-attending-themba-lethu-hiv-clinic-helen-joseph-hospital-johannesburg-south-africa
#3
Maria Nnambalirwa, Caroline Govathson, Denise Evans, Lynne McNamara, Mhairi Maskew, Peter Nyasulu
Background: To date, there is no consensus on ideal ways to measure antiretroviral treatment (ART) adherence in resource limited settings. This study aimed to identify markers of poor adherence to ART. Methods: Retrospective data of HIV-positive ART-naïve adults initiating standard first-line ART at Themba Lethu Clinic, Helen Joseph Hospital, Johannesburg, South Africa from April 2004 to December 2011 were analysed. Poisson regression models with robust error variance were used to assessed the following potential markers of poor adherence 'last self-reported adherence, missed clinic visits, mean corpuscular volume (MCV), CD4 count against definition of adherence, suppressed HIV viral load using traditional test metrics'...
December 1, 2016: Transactions of the Royal Society of Tropical Medicine and Hygiene
https://www.readbyqxmd.com/read/28937707/meta-analysis-of-the-antidepressant-effects-of-acute-sleep-deprivation
#4
Elaine M Boland, Hengyi Rao, David F Dinges, Rachel V Smith, Namni Goel, John A Detre, Mathias Basner, Yvette I Sheline, Michael E Thase, Philip R Gehrman
OBJECTIVE: To provide a quantitative meta-analysis of the antidepressant effects of sleep deprivation to complement qualitative reviews addressing response rates. DATA SOURCES: English-language studies from 1974 to 2016 using the keywords sleep deprivation and depression searched through PubMed and PsycINFO databases. STUDY SELECTION: A total of 66 independent studies met criteria for inclusion: conducted experimental sleep deprivation, reported the percentage of the sample that responded to sleep deprivation, provided a priori definition of antidepressant response, and did not seamlessly combine sleep deprivation with other therapies (eg, chronotherapeutics, repetitive transcranial magnetic stimulation)...
September 19, 2017: Journal of Clinical Psychiatry
https://www.readbyqxmd.com/read/28935697/impact-of-stroke-risk-factors-on-ethnic-stroke-disparities-among-midlife-mexican-americans-and-non-hispanic-whites
#5
Rajiv C Patel, Brisa N Sánchez, Lewis B Morgenstern, Chengwei Li, Lynda D Lisabeth
BACKGROUND AND PURPOSE: We examined the contribution of stroke risk factors to midlife (age 45-59 years) Mexican American and non-Hispanic White ischemic stroke (IS) rate disparities from 2000 to 2010. METHODS: Incident IS cases (n=707) and risk factors were identified from the Brain Attack Surveillance in Corpus Christi Project, Nueces County, TX (2000-2010). US Census data (2000-2010) were used to estimate the population at-risk for IS, and the Behavioral Risk Factor Surveillance System (2000-2010) was used to estimate risk factor prevalence in the stroke-free population...
September 21, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28934801/increasing-rates-of-imaging-in-failed-back-surgery-syndrome-patients-implications-for-spinal-cord-stimulation
#6
S Harrison Farber, Jing L Han, Frank W Petraglia Iii, Robert Gramer, Siyun Yang, Promila Pagadala, Beth Parente, Jichun Xie, Jeffrey R Petrella, Shivanand P Lad
BACKGROUND: Failed back surgery syndrome (FBSS) has a high incidence following spinal surgery, is notoriously refractory to treatment, and results in high health care utilization. Spinal cord stimulation (SCS) is a well-accepted modality for pain relief in this population; however, until recently magnetic resonance imaging (MRI) was prohibited due to risk of heat conduction through the device. OBJECTIVES: We examined trends in imaging use over the past decade in patients with FBSS to determine its impact on health care utilization and implications for patients receiving SCS...
September 2017: Pain Physician
https://www.readbyqxmd.com/read/28934783/serious-adverse-events-associated-with-readmission-through-one-year-after-vertebral-augmentation-with-either-a-polyetheretherketone-implant-or-balloon-kyphoplasty
#7
Douglas P Beall, Jeffrey D Coe, Mark McIlduff, Daniel Bloch, John Hornberger, Christopher Warner, Sean Tutton
BACKGROUND: The KAST (Kiva Safety and Efficacy) investigation device exempt (IDE) study indicated that the majority of patients responded equally well to vertebral augmentation using either an implant-based approach or balloon kyphoplasty (BK). Additional investigation has suggested that a subset of patients may benefit further by avoiding repeated readmissions due to serious adverse events (SAEs) if they receive one vertebral augmentation approach over another. OBJECTIVES: The primary aim was to assess the effect of 2 different augmentation procedures on readmission rates for SAEs...
September 2017: Pain Physician
https://www.readbyqxmd.com/read/28931026/does-physical-activity-buffer-insomnia-due-to-back-and-neck-pain
#8
Iben Axén, Lydia Kwak, Jan Hagberg, Irene Jensen
INTRODUCTION: Musculoskeletal pain is highly prevalent and a burden to society, recurrent and persistent low back pain (LBP) and neck pain (NP) being the most common conditions. They are associated with other poor health outcomes such as sleep problems. Physical activity (PA) prevents LBP and NP, but the direct effect on sleep is unclear. This study explored the effect of pain on insomnia, and examined if adherence to moderate-to-high intensity levels of PA influenced this relationship...
2017: PloS One
https://www.readbyqxmd.com/read/28930181/ambient-air-pollution-and-risk-for-ischemic-stroke-a-short-term-exposure-assessment-in-south-china
#9
Pi Guo, Yulin Wang, Wenru Feng, Jiagang Wu, Chuanxi Fu, Hai Deng, Jun Huang, Li Wang, Murui Zheng, Huazhang Liu
Data on the association between air pollution and risk of ischemic stroke in China are still limited. This study aimed to investigate the association between short-term exposure to ambient air pollution and risk of ischemic strokes in Guangzhou, the most densely-populated city in south China, using a large-scale multicenter database of stroke hospital admissions. Daily counts of ischemic stroke admissions over the study years 2013-2015 were obtained from the Guangzhou Cardiovascular and Cerebrovascular Disease Event Surveillance System...
September 20, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28929982/comorbidity-of-autoimmune-thyroid-disorders-and-psychiatric-disorders-during-the-postpartum-period-a-danish-nationwide-register-based-cohort-study
#10
V Bergink, V J M Pop, P R Nielsen, E Agerbo, T Munk-Olsen, X Liu
BACKGROUND: The postpartum period is well-known risk period for the first onset of autoimmune thyroid disorders (AITDs) as well as first onset of psychiatric disorders. These two disorders are some of the most prevalent medical conditions postpartum, often misdiagnosed and disabling if left untreated. Our study was designed to explore the possible bidirectional association between AITDs and psychiatric disorders during the postpartum period. METHODS: A population-based cohort study through linkage of Danish national registers, which comprised 312 779 women who gave birth to their first child during 1997-2010...
September 20, 2017: Psychological Medicine
https://www.readbyqxmd.com/read/28929715/-evaluation-of-the-use-of-the-socioeconomic-deprivation-index-at-area-level-in-ecological-studies-on-environment-and-health
#11
Fabrizio Minichilli, Michele Santoro, Fabrizio Bianchi, Nicola Caranci, Marco De Santis, Roberto Pasetto
BACKGROUND: in SENTIERI surveillance system, the health risk assessment in the contaminated sites (CSs) was carried out considering the socioeconomic deprivation index (ID-SENTIERI) at the municipal level as a confounder. Pasetto et al. discussed the use of IDs in ecological studies and proposed to examine the role of ID-SENTIERI as a confounder. OBJECTIVES: to evaluate the initial conditions necessary for the role of confounding, i.e., the verification of an association of the ID-SENTIERI with the risk of some of the diseases for which evidence of a relationship with the socioeconomic state (SES) is documented in the literature...
May 2017: Epidemiologia e Prevenzione
https://www.readbyqxmd.com/read/28928224/chronic-diseases-as-predictors-of-labour-market-attachment-after-participation-in-subsidised-re-employment-programme-a-6-year-follow-up-study
#12
Chioma A Nwaru, Laura Peutere, Mika Kivimäki, Jaana Pentti, Jussi Vahtera, Pekka J Virtanen
BACKGROUND: Little is known about the work patterns of re-employed people. We investigated the labour market attachment trajectories of re-employed people and assessed the influence of chronic diseases on these trajectories. METHODS: The study was based on register data of 18 944 people (aged 18-60 years) who participated in a subsidised re-employment programme in Finland. Latent class growth analysis with zero-inflated Poisson was used to model the labour market attachment trajectories over a 6-year follow-up time...
September 19, 2017: Journal of Epidemiology and Community Health
https://www.readbyqxmd.com/read/28927170/out-of-hospital-cardiac-arrest-attributable-to-sunshine-a-nationwide-retrospective-observational-study
#13
Daisuke Onozuka, Akihito Hagihara
Aims: To investigate the population attributable risk of out-of-hospital cardiac arrest (OHCA) from non-optimal sunshine duration and the relative contribution of daily sunshine hours. Methods and Results: National registry data of all cases of OHCA occurred between 2005 and 2014 in the 47 Japanese prefectures were obtained. We examined the relationship between daily duration of sunshine and OHCA risk for each prefecture in Japan using a Poisson regression model combined with a distributed lag non-linear model, adjusting for confounding factors...
April 1, 2017: European Heart Journal. Quality of Care & Clinical Outcomes
https://www.readbyqxmd.com/read/28926515/is-the-age-at-menopause-a-cause-of-sexual-dysfunction-a-brazilian-population-based-study
#14
Caio Lett, Ana L R Valadares, Luiz F Baccaro, Adriana O Pedro, Jeffrey L Filho, Marcelo Lima, Lucia Costa-Paiva
OBJECTIVES: The aim of the study was to evaluate the association between age at menopause and sexual dysfunction and the components of sexual function in postmenopausal women. METHODS: In this cross-sectional population-based study, data of 540 women aged 45 to 60 years regarding the age they were when they achieved menopause and its association with sexual dysfunction (evaluated using the Short Personal Experiences Questionnaire) were obtained through interviews...
September 18, 2017: Menopause: the Journal of the North American Menopause Society
https://www.readbyqxmd.com/read/28926404/metabolic-health-across-the-body-mass-index-spectrum-in-hiv-infected-and-hiv-uninfected-men
#15
Jordan E Lake, Xiuhong Li, Frank J Palella, Kristine M Erlandson, Dorothy Wiley, Lawrence Kingsley, Lisa P Jacobson, Todd T Brown
OBJECTIVES: In the general population, metabolic health (MH) often declines as body mass index (BMI) increases. However, some obese individuals maintain MH. HIV and antiretroviral therapy (ART) have been associated with metabolic disturbances. We hypothesized that HIV-infected (HIV+) men on suppressive ART experience less MH than HIV-uninfected (HIV-) men across all BMI categories. DESIGN/METHODS: In a cross-sectional analysis of 1018 HIV+ and 1092 HIV- men enrolled in the Multicenter AIDS Cohort Study, Poisson regression with robust variance determined associations between HIV serostatus and MH prevalence (defined as meeting 2 of 5 NCEP/ATP III metabolic syndrome criteria), adjusting for age, race, BMI category, smoking and hepatitis C virus infection status...
September 18, 2017: AIDS
https://www.readbyqxmd.com/read/28926400/hepatitis-b-hepatitis-c-and-mortality-among-hiv-positive-individuals
#16
Alicia C Thornton, Sophie Jose, Sanjay Bhagani, David Chadwick, David Dunn, Richard Gilson, Janice Main, Mark Nelson, Alison Rodger, Chris Taylor, Elaney Youssef, Clifford Leen, Mark Gompels, Stephen Kegg, Achim Schwenk, Caroline Sabin
OBJECTIVES: To compare rates of all-cause, liver-related and AIDS-related mortality among individuals who are HIV mono-infected with those co-infected with HIV and hepatitis B (HBV) and/or hepatitis C (HCV) viruses. DESIGN: An ongoing observational cohort study collating routinely collected clinical data on HIV-positive individuals attending for care at HIV treatment centres throughout the UK. METHODS: Individuals were included if they had been seen for care from 2004 onwards and had tested for HBV and HCV...
September 18, 2017: AIDS
https://www.readbyqxmd.com/read/28925920/low-radon-exposure-and-mortality-among-jouac-uranium-miners-an-update-of-the-french-cohort-1946-2007
#17
Estelle Rage, Sylvaine Caër-Lorho, Dominique Laurier
After the extension of the French cohort of uranium miners with the inclusion of workers employed in the Jouac mines, this article seeks to describe the new Jouac cohort and to estimate mortality risks, as well as to quantify their relation to radon exposure in this extended cohort. The Jouac cohort includes 458 miners hired by the Société des Mines de Jouac between 1957 and 2001. As there is no measurement of radon exposure before 1978 were unavailable, only the post-1977 Jouac cohort (n=314) has been included in the French cohort, creating an extended cohort of 5400 French uranium miners followed up from 1946 to 2007...
September 19, 2017: Journal of Radiological Protection: Official Journal of the Society for Radiological Protection
https://www.readbyqxmd.com/read/28923460/the-mortality-burden-of-hourly-temperature-variability-in-five-capital-cities-australia-time-series-and-meta-regression-analysis
#18
Jian Cheng, Zhiwei Xu, Hilary Bambrick, Hong Su, Shilu Tong, Wenbiao Hu
BACKGROUND: Unstable weather, such as intra- and inter-day temperature variability, can impair the health and shorten the survival time of population around the world. Climate change will cause Earth's surface temperature rise, but has unclear effects on temperature variability, making it urgent to understand the characteristics of the burden of temperature variability on mortality, regionally and nationally. OBJECTIVES: This paper aims to quantify the mortality risk of exposure to short-term temperature variability, estimate the resulting death toll and explore how the strength of temperature variability effects will vary as a function of city-level characteristics...
September 15, 2017: Environment International
https://www.readbyqxmd.com/read/28922395/an-analysis-of-equine-round-pen-training-videos-posted-online-differences-between-amateur-and-professional-trainers
#19
Erin Kydd, Barbara Padalino, Cathrynne Henshall, Paul McGreevy
Natural Horsemanship is popular among many amateur and professional trainers and as such, has been the subject of recent scientific enquiry. One method commonly adopted by Natural Horsemanship (NH) trainers is that of round pen training (RPT). RPT sessions are usually split into a series of bouts; each including two phases: chasing/flight and chasing offset/flight offset. However, NH training styles are heterogeneous. This study investigated online videos of RPT to explore the characteristics of RPT sessions and test for differences in techniques and outcomes between amateurs and professionals (the latter being defined as those with accompanying online materials that promote clinics, merchandise or a service to the public)...
2017: PloS One
https://www.readbyqxmd.com/read/28921685/four-year-incidence-rate-and-predictors-of-root-caries-among-community-dwelling-south-brazilian-older-adults
#20
Augusto B Bidinotto, Aline B Martins, Camila M Dos Santos, Fernando N Hugo, Juliana B Hilgert, Roger Keller Celeste, Dalva Maria Padilha, Renato José De Marchi
OBJECTIVE: This study aimed to assess the incidence density (ID) of new root caries lesions and restorations among community-living south Brazilian older adults and to assess its association with predictor variables. METHODS: We conducted a prospective cohort with a random sample of elders from the municipality of Carlos Barbosa, in south Brazil. Trained dentists performed interviews and oral examinations in 388 individuals at baseline, of which 273 were retained at follow-up 4 years later...
September 18, 2017: Community Dentistry and Oral Epidemiology
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