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https://www.readbyqxmd.com/read/28441139/empirical-likelihood-in-nonignorable-covariate-missing-data-problems
#1
Yanmei Xie, Biao Zhang
Missing covariate data occurs often in regression analysis, which frequently arises in the health and social sciences as well as in survey sampling. We study methods for the analysis of a nonignorable covariate-missing data problem in an assumed conditional mean function when some covariates are completely observed but other covariates are missing for some subjects. We adopt the semiparametric perspective of Bartlett et al. (Improving upon the efficiency of complete case analysis when covariates are MNAR. Biostatistics 2014;15:719-30) on regression analyses with nonignorable missing covariates, in which they have introduced the use of two working models, the working probability model of missingness and the working conditional score model...
April 20, 2017: International Journal of Biostatistics
https://www.readbyqxmd.com/read/28439184/systemic-inflammation-and-viral-exposure-among-young-mexican-american-women-nativity-related-differences
#2
Natalya Rosenberg, Martha L Daviglus, Holli A DeVon, Chang Gi Park, Kamal Eldeirawi
BACKGROUND: Factors contributing to elevated inflammation in racial/ethnic minority populations are not well understood. We examined the association of viral exposure with C-reactive protein (CRP) in young Mexican American women. METHODS AND RESULTS: Participants (N=1,141) were currently non-pregnant women of Mexican background, aged 18-39 years, from the cross-sectional National Health and Nutrition Examination Survey (NHANES) 1999-2010. Viral exposure was defined as seropositive status for hepatitis B, and herpes simplex types 1 and 2, and classified as seronegative, seropositive for any one agent, and seropositive for 2 or 3 agents...
2017: Ethnicity & Disease
https://www.readbyqxmd.com/read/28437239/tprevalence-of-hpv-in-adults-aged-18-69-united-states-2011-2014
#3
Geraldine McQuillan, Deanna Kruszon-Moran, Lauri E Markowitz, Elizabeth R Unger, Ryne Paulose-Ram
Data from the National Health and Nutrition Examination Survey ● During 2011-2014, prevalence of any oral human papillomavirus (HPV) for adults aged 18-69 was 7.3%; high-risk HPV was 4.0%. ● Overall, prevalence of any and high-risk oral HPV was lowest among non-Hispanic Asian adults; any oral HPV was highest among non-Hispanic black adults. ● Prevalence of any and high-risk oral HPV was higher in men than women except for high-risk HPV among Asian adults. ● During 2013-2014, prevalence of any and high-risk genital HPV for adults aged 18-59 was 45...
April 2017: NCHS Data Brief
https://www.readbyqxmd.com/read/28436293/food-insecurity-and-depression-among-adults-with-diabetes-results-from-the-national-health-and-nutrition-examination-survey-nhanes
#4
Joshua Montgomery, Juan Lu, Scott Ratliff, Briana Mezuk
Purpose While both food insecurity and depression have been linked to risk of type 2 diabetes, little is known about the relationship between food insecurity and depression among adults with diabetes. Research Design and Methods Cross-sectional analyses of the National Health and Nutrition Examination Survey (2011-2014), a nationally representative, population-based survey. Analytic sample was limited to adults aged ≥20 with diabetes determined by either fasting plasma glucose (≥126 mg/dL) or self-report (n = 1724) and adults age ≥20 with prediabetes determined by fasting plasma glucose (100-125 mg/dL) or self-report (n = 2004)...
April 1, 2017: Diabetes Educator
https://www.readbyqxmd.com/read/28435680/adiposity-cvd-risk-factors-and-testosterone-variation-by-partnering-status-and-residence-with-children-in-us-men
#5
Lee T Gettler, Mallika S Sarma, Rieti G Gengo, Rahul C Oka, James J McKenna
Background and objectives: In many settings, partnered, invested fathers have lower testosterone than single men or fathers who are not involved in caregiving. Reduced testosterone has been identified as a risk factor for multiple chronic diseases, and men's health also commonly varies by life history status. There have been few tests of whether variation in testosterone based on partnering and parenting has implications for men's health. Methodology: We analysed data from a US population-representative sample (NHANES) of young-to-middle aged US men (n = 875; mean age: 29...
2017: Evolution, Medicine, and Public Health
https://www.readbyqxmd.com/read/28433814/synovial-fluid-pro-inflammatory-profile-differs-according-to-the-characteristics-of-knee-pain
#6
Ying Ying Leung, Janet L Huebner, Benjamin Haaland, Steven Bak Siew Wong, Virginia Byers Kraus
OBJECTIVE: The role of inflammation and pain in osteoarthritis (OA) is not fully understood. We evaluated the association between pro-inflammatory biomarkers and pain. METHODS: We used baseline data and samples from a randomized controlled trial of colchicine for symptomatic knee OA. Severity of pain of the more symptomatic knee was assessed by NHANES-I criterion and WOMAC pain index. Pains on movement and at rest were self-reported on an 11-point Likert scale. Severity of radiographic tibiofemoral OA was assessed by Kellgren and Lawrence (KL) grade...
April 19, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28430972/identifying-subpopulations-vulnerable-to-the-thyroid-blocking-effects-of-perchlorate-and-thiocyanate
#7
Jenica McMullen, Akhgar Ghassabian, Brenda Kohn, Leonardo Trasande
Context: Common environmental contaminants can disrupt normal thyroid function, which plays essential but varying roles at different ages. Objective: To evaluate the relationship of perchlorate, thiocyanate, and nitrate, three sodium-iodide symporter (NIS) inhibitors, and thyroid function in different age-sex-stratified populations. Design, Setting, Participants, and Intervention: This was a cross-sectional analysis of data from the 2009-2012 National Health and Nutrition Examination Surveys (NHANES) evaluating the exposure to perchlorate, thiocyanate, and nitrate in 3,151 participants aged 12-80...
April 20, 2017: Journal of Clinical Endocrinology and Metabolism
https://www.readbyqxmd.com/read/28426694/prediction-of-atherosclerotic-cardiovascular-disease-mortality-in-a-nationally-representative-cohort-using-a-set-of-risk-factors-from-pooled-cohort-risk-equations
#8
Zefeng Zhang, Cathleen Gillespie, Barbara Bowman, Quanhe Yang
The American College of Cardiology/American Heart Association developed Pooled Cohort equations to estimate atherosclerotic cardiovascular disease (ASCVD) risk. It is unclear how well the equations predict ASCVD mortality in a nationally representative cohort. We used the National Health and Nutrition Examination Survey (NHANES) 1988-1994 and Linked Mortality through 2006 (n = 6,644). Among participants aged 40-79 years without ASCVD at baseline, we used Cox proportional hazard models to estimate the 10-year probability of ASCVD death by sex and race-ethnicity (non-Hispanic white (NHW), non-Hispanic black (NHB) and Mexican American (MA))...
2017: PloS One
https://www.readbyqxmd.com/read/28426300/overview-of-asian-american-data-collection-release-and-analysis-national-health-and-nutrition-examination-survey-2011-2018
#9
Ryne Paulose-Ram, Vicki Burt, Lisa Broitman, Namanjeet Ahluwalia
Data System. The National Health and Nutrition Examination Survey (NHANES), conducted by the National Center for Health Statistics, is a cross-sectional survey on the health and nutritional status of US adults and children. Data Collection/Processing. A complex, multistage probability design is used to select a sample representative of the US civilian, noninstitutionalized population. NHANES includes in-home interviews, physical examinations, and biospecimen collection. About 5000 persons are examined annually...
April 20, 2017: American Journal of Public Health
https://www.readbyqxmd.com/read/28422582/combining-activity-related-behaviors-and-attributes-improves-prediction-of-health-status-in-nhanes
#10
Sarah Kozey Keadle, Shirley Bluethmann, Charles Matthews, Barry I Graubard, Frank Perna
BACKGROUND: This paper tested whether a physical activity index (PAI) that integrates PA-related behaviors (i.e., moderate-vigorous [MVPA] and TV viewing) and performance measures (i.e., cardiorespiratory fitness and muscle strength) improves prediction of health status. METHODS: Participants were a nationally representative sample of US adults from 2011-2012 NHANES. Dependent variables (self-reported health status, multi-morbidity, functional limitations and metabolic syndrome) were dichotomized...
April 19, 2017: Journal of Physical Activity & Health
https://www.readbyqxmd.com/read/28419531/urinary-incontinence-and-hydration-a-population-based-analysis
#11
Marcella Willis-Gray, Jennifer M Wu, Alayne Markland
AIMS: To determine if there is an association between urinary incontinence (UI) and an objective measure of hydration status in men and women in a nationwide, population-based sample. METHODS: We utilized data from the 2009 to 2010 and 2011 to 2012 National Health and Nutrition Examination Surveys (NHANES), cross sectional surveys of the US non-institutionalized population. Our primary outcome was moderate/severe UI measured using a validated scale. Our exposure of interest was hydration status...
April 18, 2017: Neurourology and Urodynamics
https://www.readbyqxmd.com/read/28418481/comparison-of-recommended-eligibility-for-primary-prevention-statin-therapy-based-on-the-us-preventive-services-task-force-recommendations-vs-the-acc-aha-guidelines
#12
Neha J Pagidipati, Ann Marie Navar, Hillary Mulder, Allan D Sniderman, Eric D Peterson, Michael J Pencina
Importance: There are important differences among guideline recommendations for using statin therapy in primary prevention. New recommendations from the US Preventive Services Task Force (USPSTF) emphasize therapy based on the presence of 1 or more cardiovascular disease (CVD) risk factors and a 10-year global CVD risk of 10% or greater. Objective: To determine the difference in eligibility for primary prevention statin treatment among US adults, assuming full application of USPSTF recommendations compared with the American College of Cardiology/American Heart Association (ACC/AHA) guidelines...
April 18, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28415936/type-2-diabetes-mellitus-unawareness-prevalence-trends-and-risk-factors-national-health-and-nutrition-examination-survey-nhanes-1999-2010
#13
Nana Zhang, Xin Yang, Xiaolin Zhu, Bin Zhao, Tianyi Huang, Qiuhe Ji
Objectives To determine whether the associations with key risk factors in patients with diagnosed and undiagnosed type 2 diabetes mellitus (T2DM) are different using data from the National Health and Nutrition Examination Survey (NHANES) from 1999 to 2010. Methods The study analysed the prevalence and association with risk factors of undiagnosed and diagnosed T2DM using a regression model and a multinomial logistic regression model. Data from the NHANES 1999-2010 were used for the analyses. Results The study analysed data from 10 570 individuals...
April 2017: Journal of International Medical Research
https://www.readbyqxmd.com/read/28412644/an-association-of-health-behaviors-with-depression-and-metabolic-risks-data-from-2007-to-2014-u-s-national-health-and-nutrition-examination-survey
#14
Ying Liu, Ifeoma D Ozodiegwu, Yang Yu, Rick Hess, Ronghai Bie
BACKGROUND: Both depression and metabolic syndrome (MetS) confer an increased risk of developing type 2 diabetes (T2D) and cardiovascular disease. Accumulating evidence suggests healthy behaviors are crucial to maintain, improve and manage chronical disease and mental health; and unhealthy diet and sedentary behavior were found two major risk factors of MetS. The objective of this study was to investigate whether health behaviors (alcohol consumption, smoking, diet and recreational physical activity) are associated with depression and metabolic syndrome simultaneously...
April 8, 2017: Journal of Affective Disorders
https://www.readbyqxmd.com/read/28410971/the-association-between-parity-and-inflammation-among-mexican-american-women-of-reproductive-age-varies-by-acculturation-level-results-of-the-national-health-and-nutrition-examination-survey-1999-2006
#15
Natalya Rosenberg, Martha L Daviglus, Holli A DeVon, Chang Gi Park, Kamal Eldeirawi
INTRODUCTION: Parity and acculturation are linked with cardiometabolic risk. Their joint association with cardiometabolic health among Mexican-American women is less established, even though immigrant Mexican-American women have the highest fertility rate in the United States. We examined the modifying role of acculturation on the association of parity with a cardiometabolic risk biomarker, C-reactive protein (CRP). METHODS: Participants (n = 1,002) were women of Mexican background, ages 16 to 39 years, in the National Health and Nutrition Examination Survey (NHANES) from 1999 through 2006...
April 11, 2017: Women's Health Issues: Official Publication of the Jacobs Institute of Women's Health
https://www.readbyqxmd.com/read/28410862/state-level-awareness-of-chronic-kidney-disease-in-the-u-s
#16
Sai H Dharmarajan, Jennifer L Bragg-Gresham, Hal Morgenstern, Brenda W Gillespie, Yi Li, Neil R Powe, Delphine S Tuot, Tanushree Banerjee, Nilka Ríos Burrows, Deborah B Rolka, Sharon H Saydah, Rajiv Saran
INTRODUCTION: This study examined state-level variation in chronic kidney disease (CKD) awareness using national estimates of disease awareness among adults in the U.S. with CKD. METHODS: Data on U.S. adults were obtained from two national, population-based surveys: (1) the Behavioral Risk Factor Surveillance System (BRFSS 2011; n=506,467), a state-level phone survey containing information on self-reported kidney disease; and (2) the National Health and Nutrition Examination Survey (NHANES 2005-2012; n=20,831), containing physical health examination, surveys containing data on self-reported kidney disease, risk factors, and laboratory values...
April 11, 2017: American Journal of Preventive Medicine
https://www.readbyqxmd.com/read/28405342/association-between-secondhand-smoke-and-obesity-and-glucose-abnormalities-data-from-the-national-health-and-nutrition-examination-survey-nhanes-1999-2010
#17
Dulcie Kermah, Magda Shaheen, Deyu Pan, Theodore C Friedman
OBJECTIVE: The objective of this study is to investigate the relationship between cotinine level-confirmed secondhand smoke (SHS) exposure and glycemic parameters and obesity. RESEARCH DESIGN AND METHODS: We examined a cohort of 6472 adults from the National Health and Nutrition Examination Surveys, 1999-2010. Serum cotinine levels and self-reported data on smoking were used to determine smoking status. The outcome variables were body mass index (BMI) and glycemic status (HbA1c), Homeostasis Model Assessment of Insulin Resistance (HOMA-IR), and fasting plasma glucose (FPG)...
2017: BMJ Open Diabetes Research & Care
https://www.readbyqxmd.com/read/28395506/association-of-inflammatory-bowel-disease-ibd-with-depressive-symptoms-in-the-united-states-population-and-independent-predictors-of-depressive-symptoms-in-an-ibd-population-a-nhanes-study
#18
Sanjay Bhandari, Michael E Larson, Nilay Kumar, Daniel Stein
Background/Aims: There is a paucity of population-based studies on the association between inflammatory bowel disease (IBD) and depression in the U.S. population. We sought to study this association using the National Health and Nutrition Examination Survey (NHANES) database. Methods: We used NHANES data from 2009 to 2010. Our study included 190,269,933 U.S. adults without IBD and 2,325,226 with IBD. We sought to determine whether IBD is an independent risk factor for depressive symptoms (DS) in the U...
April 11, 2017: Gut and Liver
https://www.readbyqxmd.com/read/28395129/marijuana-use-and-serum-testosterone-concentrations-among-u-s-males
#19
J E Thistle, B I Graubard, M Braunlin, H Vesper, B Trabert, M B Cook, K A McGlynn
Marijuana has been reported to have several effects on the male reproductive system. Marijuana has previously been linked to reduced adult testosterone, however, a study in Denmark reported increased testosterone concentrations among marijuana users. This study was performed to estimate the effect of marijuana use on testosterone in U.S. males. Data on serum testosterone, marijuana use, and covariates for 1577 men from the 2011-2012 U.S. National Health and Nutrition Examination Survey (NHANES) were analyzed...
April 10, 2017: Andrology
https://www.readbyqxmd.com/read/28393328/health-benefits-of-light-intensity-physical-activity-a-systematic-review-of-accelerometer-data-of-the-national-health-and-nutrition-examination-survey-nhanes
#20
REVIEW
Eszter Füzéki, Tobias Engeroff, Winfried Banzer
BACKGROUND: The health effects of light-intensity physical activity (PA) are not well known today. OBJECTIVE: We conducted a systematic review to assess the association of accelerometer-measured light-intensity PA with modifiable health outcomes in adults and older adults. METHODS: A systematic literature search up to March 2016 was performed in the PubMed, EMBASE, Web of Science and Google Scholar electronic databases, without language limitations, for studies of modifiable health outcomes in adults and older adults in the National Health and Nutrition Examination Survey accelerometer dataset...
April 10, 2017: Sports Medicine
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