نتایج جستجو برای: highest to lowest rate ratio rr

تعداد نتایج: 10781592  

Journal: :Journal of the World Aquaculture Society 2021

Abstract We evaluated the possible interaction between feeding frequency (FF) and rate (FR) on growth, nutrient utilization, body composition, plasma metabolites of juvenile Nile tilapia, Oreochromis niloticus (6.57 g). tested three FFs: two, four, six times a day, two FRs: apparent satiation (AS) or restricted regime (RR), following completely randomized design in factorial arrangement, quadru...

Journal: :Archives of internal medicine 2009
Nancy R Cook Eva Obarzanek Jeffrey A Cutler Julie E Buring Kathryn M Rexrode Shiriki K Kumanyika Lawrence J Appel Paul K Whelton

BACKGROUND Previous studies of dose-response effects of usual sodium and potassium intake on subsequent cardiovascular disease (CVD) have largely relied on suboptimal measures of intake. METHODS Two trials of sodium reduction and other interventions collected 24-hour urinary excretions intermittently during 18 months from September 17, 1987, to January 12, 1990 (Trials of Hypertension Prevent...

Journal: :Journal of epidemiology and community health 1995
A J van Loon R A Goldbohm P A van den Brandt

STUDY OBJECTIVE To evaluate if there are differences in lung cancer incidence between socioeconomic groups in the Netherlands and if so, if smoking habits and other lifestyle characteristics could explain these differences. DESIGN Prospective cohort study. Baseline measurement included information on socioeconomic status, smoking habits, and other covariates by means of a self-administered qu...

Journal: :Pediatrics 2016
Maryam S Farvid A Heather Eliassen Eunyoung Cho Xiaomei Liao Wendy Y Chen Walter C Willett

OBJECTIVE We evaluated fiber intake during adolescence and early adulthood in relation to breast cancer (BC) risk in the Nurses' Health Study II. METHODS Among 90,534 premenopausal women who completed a dietary questionnaire in 1991, we documented 2833 invasive BC cases during 20 years of follow-up. In 1998, 44,263 of these women also completed a questionnaire about their diet during high sch...

2018
Emily Bartsch Alison L. Park Jacqueline Young Joel G. Ray Karen Tu

BACKGROUND The emerging adoption of the electronic medical record (EMR) in primary care enables clinicians and researchers to efficiently examine epidemiological trends in child health, including infant feeding practices. METHODS We completed a population-based retrospective cohort study of 8815 singleton infants born at term in Ontario, Canada, April 2002 to March 2013. Newborn records were ...

Journal: :Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology 2006
Kana Wu Frank B Hu Walter C Willett Edward Giovannucci

We prospectively investigated the associations between dietary patterns and risk of prostate cancer in the Health Professionals Follow-up Study. Between 1986 and 2000, 3,002 incident prostate cancer cases were identified in our cohort. Using factor analysis, two major dietary patterns were identified, a prudent and a western dietary pattern. Dietary patterns were not appreciably associated with...

2012
Luc Lorgis Daniel Moreau Laurent Mock Bernadette Daumas Daniel Potard Claude Touzery Yves Cottin Marianne Zeller

AIM We investigated the relationships between the autonomic nervous system, as assessed by heart rate variability (HRV) and levels of N-terminal Pro-B-type Natriuretic Peptide (Nt-proBNP) in patients with acute myocardial infarction (MI). METHODS AND RESULTS The mean of standard deviation of RR intervals (SDNN), the percentage of RR intervals with >50 ms variation (pNN50), square root of mean...

Journal: :European journal of cardiovascular prevention and rehabilitation : official journal of the European Society of Cardiology, Working Groups on Epidemiology & Prevention and Cardiac Rehabilitation and Exercise Physiology 2005
Jyrki K Virtanen Sari Voutilainen Pertti Happonen Georg Alfthan Jari Kaikkonen Jaakko Mursu Tiina H Rissanen George A Kaplan Maarit J Korhonen Juhani Sivenius Jukka T Salonen

BACKGROUND Homocysteine and folate have been suggested to have opposite effects on the risk of stroke, although the results are controversial. DESIGN AND METHODS The purpose of this study was to assess the effects of serum total homocysteine (tHcy) and serum folate levels on the risk of stroke in a prospective cohort study. The subjects were 1015 men aged 46-64 years and free of prior stroke,...

Journal: :Cancer 2002
Erik J M Konings R Alexandra Goldbohm Henny A M Brants Wim H M Saris Piet A van den Brandt

BACKGROUND Several studies have reported inverse associations between folate intake and colorectal carcinoma risk. Few were prospective studies and none evaluated the association between the intake of individual folate vitamers and colorectal carcinoma risk. METHODS The aim of the current study was to investigate the relationship between dietary folate intake and the risk of colorectal carcin...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه شهید چمران اهواز - دانشکده مهندسی علوم آب 1393

drought is transient phenomenon , slow , repetitive and integral part of the climate of each region. drought begins with a substantial reduction in precipitation over the long-term average rainfall and over time, reduced soil moisture and surface and ground water resources will continue to decrease. this phenomenon is the most important in bakhtegan basin because of its importance in strategic ...

نمودار تعداد نتایج جستجو در هر سال

با کلیک روی نمودار نتایج را به سال انتشار فیلتر کنید