Cohort study on smoking

A prospective cohort study of cigarette smoking and the ...

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5/6/2002 · Case–control studies have shown inverse associations between cigarette smoking and endometrial cancer risk. However, two small prospective cohort studies have not clearly supported an association. Moreover, quantitative measures of smoking have been examined infrequently. Our aim was to …

A prospective cohort study of cigarette smoking and the ...

Cohort study - Wikipedia

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5/18/1996 · Objective : The almost twofold difference in lung cancer incidence between people living in Copenhagen and in the rural areas of Denmark in the 1980s led to public concern; this study was undertaken to assess the effects of air pollution and occupation on lung cancer in Denmark, with control for smoking habits. Design : Cohort study of national population.

Cohort study - Wikipedia

Lung cancer, smoking, and environment: a cohort study of ...

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8/21/2006 · We conducted an epidemiological study of the relationship between lung cancer incidence and smoking, with special reference to the benefits of smoking cessation for reducing lung cancer incidence, to promote a local smoking control program. The study was a …

Lung cancer, smoking, and environment: a cohort study of ...

Retrospective cohort study of smoking and lung cancer ...

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A cohort study of smoking and bladder cancer was conducted in a small island population. There were a total of 1000 people on the island. Four hundred were smokers and 600 were not. Fifty of the smokers developed bladder cancer. Ten of the non-smokers developed bladder cancer.Construct a two by two table using the data given above.

Retrospective cohort study of smoking and lung cancer ...

A cohort study of smoking and bladder | Course Help Online

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To study the association of cigarette smoking with risk of rheumatoid arthritis (RA), among 377,481 female health professionals in the Women's Health Cohort Study. Methods Subjects completed mailed questionnaires regarding demographics, health habits, including cigarette smoking history, and medical history, including RA diagnosis made by a ...

A cohort study of smoking and bladder | Course Help Online

A retrospective cohort study of cigarette smoking and risk ...

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Smoking cessation and subsequent risk of cancer: A pooled analysis of eight population-based cohort studies in Japan. ... quit for a short duration but later resumed tended to show a higher cancer risk than former smokers who never resumed smoking. Our study …

A retrospective cohort study of cigarette smoking and risk ...

Smoking cessation and subsequent risk of cancer: A pooled ...

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Cigarette Smoking and Lung Cancer Student's Guide Learning Objectives After completing this case study, the participant should be able to: G Discuss the elements of study design, and the advantages and disadvantages of case-control versus prospective cohort studies; G Discuss some of the biases that might have affected these studies;

Smoking cessation and subsequent risk of cancer: A pooled ...

Cigarette Smoking and Lung Cancer - Centers for Disease ...

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In our large prospective cohort study, we found that smoking was associated with increased risk of rectal cancer 30 years or more after commencement and especially with smoking of 40 years' duration or longer. In contrast, smoking of shorter durations was not …

Cigarette Smoking and Lung Cancer - Centers for Disease ...

Prospective cohort study of cigarette smoking and ...

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6/11/2013 · The effects of smoking on the disease progression of these patients were similar to that of the whole cohort. We believe our study is one of the most comprehensive studies to examine the correlation of tobacco smoking and multiple sclerosis clinical outcomes, with …

Prospective cohort study of cigarette smoking and ...

Tobacco smoking and disability progression in multiple ...

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Non-participation in a Prospective Cohort Study. Ordinarily, some of the individuals invited to be subjects in a prospective cohort study refuse to participate. This can produce bias in retrospective cohort studies and case-control studies, because exposure status and outcomes have already occurred at the time of …

Tobacco smoking and disability progression in multiple ...

Cohort Studies - Boston University

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cohort study Shiro Tanaka, Maki Shinzawa, Hironobu Tokumasu, Kahori Seto, Sachiko Tanaka, Koji Kawakami ABSTRACT Study queStion Does maternal smoking during pregnancy and exposure of infants to tobacco smoke at age 4 months increase the risk of caries in deciduous teeth? MethodS Population based retrospective cohort study of 76 920

Cohort Studies - Boston University

Secondhand smoke and incidence of dental caries in ...

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1/24/2019 · In this longitudinal study, long-term marijuana smoking was associated with lung disease independent of tobacco smoking and other risk factors in HIV-infected individuals. These findings could be used to reduce modifiable risks of lung disease in high-risk populations.

Secondhand smoke and incidence of dental caries in ...

Effect of Marijuana Smoking on Pulmonary Disease in HIV ...

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For this prospective cohort study, a sample of 1284 current, established smokers at baseline was identified among respondents to the 2015 (August-September) Tobacco Products and Risk Perceptions Survey (TPRPS) for a 12-month follow-up study on their smoking and ENDS use. A study completion rate of 76.0% was obtained for the baseline survey.

Effect of Marijuana Smoking on Pulmonary Disease in HIV ...

Are electronic nicotine delivery systems helping cigarette ...

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Environ. Health Prev. Med. Smoking and Lung Cancer Incidence 179 Methods Subjects of this cohort study Tottori Prefecture is located on the western part of Honshu

Are electronic nicotine delivery systems helping cigarette ...

Retrospective cohort study of smoking and lung cancer ...

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9/24/2013 · While electronic cigarettes are forbidden in several countries, their sales are exploding in many others. Although e-cigarettes have been proposed as long-term substitutes for traditional smoking or as a tool for smoking cessation, very scarce data are available on their efficacy and safety. We describe the protocol of a 5-year multicentric prospective study aimed to evaluate short- and long ...

Retrospective cohort study of smoking and lung cancer ...

Multicentric cohort study on the long-term efficacy and ...

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The British Doctors' Study was a prospective cohort study which ran from 1951 to 2001, and in 1956 provided convincing statistical proof that tobacco smoking increased the risk of lung cancer

Multicentric cohort study on the long-term efficacy and ...

British Doctors Study - Wikipedia

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1/5/2010 · Cigarette smoking is an established predictor of incident type 2 diabetes mellitus, but the effects of smoking cessation on diabetes risk are unknown. Objective: To test the hypothesis that smoking cessation increases diabetes risk in the short term, possibly owing to cessation-related weight gain. Design: Prospective cohort study. Setting:

British Doctors Study - Wikipedia

Smoking, Smoking Cessation, and Risk for Type 2 Diabetes ...

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8/22/2017 · No scientific consensus has been reached on whether active tobacco smoking causes breast cancer. We examine the association between active smoking and breast cancer risk in Denmark, which has some of the highest smoking and breast cancer rates in women worldwide. We used the data from a nationwide Danish Nurse Cohort on 21,867 female nurses (age > 44 years) who at recruitment in 1993 …

Smoking, Smoking Cessation, and Risk for Type 2 Diabetes ...

Active smoking and risk of breast cancer in a Danish nurse ...

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1. Introduction. Tobacco smoking is a leading risk factor for global burden of disease , and on average smokers can expect a considerably shorter life compared with non-smokers.However, smoking cessation will gradually reverse the health risks associated with smoking, especially in younger individuals .. The global smoking prevalence has decreased during the last few decades , and in many ...

Active smoking and risk of breast cancer in a Danish nurse ...

Predictors of smoking cessation: A longitudinal study in a ...

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1/1/2013 · Objective To examine the population effectiveness of nicotine replacement therapies (NRTs), either with or without professional counselling, and provide evidence needed to better inform healthcare coverage decisions. Methods A prospective cohort study was conducted in three waves on a probability sample of 787 Massachusetts adult smokers who had recently quit smoking.

Predictors of smoking cessation: A longitudinal study in a ...

A prospective cohort study challenging the effectiveness ...

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Smoking initiation rates during early adolescence (11–15 years) showed a marked increase after 1990 in all regions (except for North European males) but especially in West Europe, where they reached 40 per 1000/year around 2005. APC models supported birth cohort effects in the youngest cohorts.

A prospective cohort study challenging the effectiveness ...

Trends in smoking initiation in Europe over 40 years: A ...

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11/22/2017 · Plausible biological reasons exist regarding why smoking could affect breast cancer risk, but epidemiological evidence is inconsistent. We used serial questionnaire information from the Generations Study cohort (United Kingdom) to estimate HRs for breast cancer in relation to smoking adjusted for potentially confounding factors, including alcohol intake.

Trends in smoking initiation in Europe over 40 years: A ...

Smoking and risk of breast cancer in the Generations Study ...

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2/24/2015 · This study aims to investigate the relationship of smoking to all-cause mortality in Australia, in the 45 and Up Study cohort. Although cause-specific mortality data have been used in analyses from other countries, these were not available for Australia at the time of writing.

Smoking and risk of breast cancer in the Generations Study ...

Mortality Attributable to Smoking Among HIV-1–Infected ...

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Retrospective Cohort Study of Smoking and Lung Cancer Incidence in Rural Prefecture, Japan Article (PDF Available) in Environmental Health and Preventive Medicine 12(4):178-82 · July 2007 with ...

Mortality Attributable to Smoking Among HIV-1–Infected ...

Tobacco smoking and all-cause mortality in ... - BMC Medicine

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5/21/2013 · Definition • Cohort study is a type of analytical study which is undertaken to obtain additional evidence to refute or support existence of association between suspected cause and diseases. • Other names of cohort study are Longitudinal study, Incidence study and forward looking study 3 4.

Tobacco smoking and all-cause mortality in ... - BMC Medicine

Retrospective Cohort Study of Smoking and Lung Cancer ...

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The main baseline exposure of interest in this study was smoking. Specifically, tobacco cigarette smoking. Smoking was determined by questionnaires at baseline. The study subjects were asked if they were . ... A cohort study of US Air Force veterans from the Vietnam War was set up to .

Retrospective Cohort Study of Smoking and Lung Cancer ...

Cohort Study - SlideShare

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Tobacco smoking and tuberculosis treatment outcomes: a prospective cohort study in Georgia Medea Gegia a, Matthew J Magee b, Russell R Kempker c, Iagor Kalandadze d, Tsira Chakhaia a, Jonathan E Golub e & Henry M Blumberg c. a. University Research Company LLC Branch in Georgia, United States Agency for International Development Georgia Tuberculosis Prevention Project, Tbilisi, Georgia.

Cohort Study - SlideShare

Cohort Study Design - Study Designs | Coursera

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5/1/2017 · Objective To evaluate the safety and effectiveness of e-cigarettes, by comparing users of only e-cigarettes, smokers of only tobacco cigarettes and dual users. Design Prospective cohort study. We update previous 12-month findings and report the results of the 24-month follow-up. Data sources Direct contact and questionnaires by phone or via internet.

Cohort Study Design - Study Designs | Coursera

Tobacco smoking and tuberculosis treatment outcomes: a ...

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1/1/2012 · Objective To study the net economic effect of smoking on society. Design Prospective cohort study. Setting Eastern Finland. Patients We studied mortality, paid income and tobacco taxes, and the cumulative costs due to pensions and medical care among tobacco smoking and non-smoking individuals in a 27-year prospective cohort study of 1976 men from Eastern Finland.

Tobacco smoking and tuberculosis treatment outcomes: a ...

Cohort study of electronic cigarette use: effectiveness ...

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3/24/2011 · In this prospective cohort study, smoking, alcohol consumption, and physical activity affected the risk of both AMI and UAP. However, the strength of these associations seemed to differ between these two coronary diseases in which they were mostly stronger for AMI, although the differences in risks were only statistically significant for smoking.

Cohort study of electronic cigarette use: effectiveness ...

The net effect of smoking on healthcare and welfare costs ...

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Seelig AD, Bensley KM, Williams EC, Armenta RF, Rivera AC, Peterson AV, Jacobson IG, Littman AJ, Maynard C, Bricker JB, Rull RP, Boyko EJ for the Millennium Cohort Study Team . This study examined the risk for smoking initiation by each of the 17 PTSD symptoms that characterize the disorder.

The net effect of smoking on healthcare and welfare costs ...

Smoking, alcohol consumption, physical activity, and ...

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5/14/2016 · Serving military personnel are more likely to smoke, and to smoke more heavily, than civilians. The aim of our study was to examine whether veterans have an increased risk of a range of smoking-related cancers compared with non-veterans, using a large, national cohort of veterans. We conducted a retrospective cohort study of 57,000 veterans resident in Scotland and 173,000 age, sex …

Smoking, alcohol consumption, physical activity, and ...

Millennium Cohort Study: Publications

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11/21/2018 · We used data from 11 577 children in the UK Millennium Cohort Study, collected at approximately 14 years of age (early teens), to assess characteristics associated with smoking, and generated regional estimates of numbers of smokers. 13.8% of UK early teens studied had ever smoked; 1.9% were current smokers. This corresponds to 2 28 136 and 39 653 (13–14 year olds) in the UK, …

Millennium Cohort Study: Publications

Cohort study: Finding causes, examples, and limitations

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In this large prospective cohort study, we found no clear protective effect of fish or marine omega-3 fatty acid intake on RA risk, overall or by serologic status. We found that fish intake attenuated the strong association of smoking for RA diagnosed ≤55 years of age, but this requires further study.

Cohort study: Finding causes, examples, and limitations
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