为什么关于被动吸烟对健康的影响的评论文章得出不同的结论?
1Department of Public Health Biology and Epidemiology, School of Public Health, University of California, Berkeley, USA.
JAMA
|May 30, 1998
概括
作者的归属性强烈地影响了被动吸烟评论中的结论. 烟草行业的联系与错误地声称暴露在二手烟雾中没有伤害的评论有关.
科学领域:
- 公共卫生 公共卫生
- 流行病学 流行病学
- 环境健康 环境健康
背景情况:
- 被动吸烟,或二手烟的暴露,是一个重大的公共卫生问题.
- 许多评论文章已经审查了被动吸烟对健康的影响.
- 这些审查中的潜在偏见可能会影响公众的理解和政策.
研究的目的:
- 调查作者关系之间的关联以及关于被动吸烟对健康影响的评论文章的结论.
- 确定文章质量或其他特征是否影响了关于被动吸烟的审查结论.
- 识别科学文献中导致偏见结论的因素.
主要方法:
- 系统地搜索MEDLINE,EMBASE和研讨会记录中的评论文章 (1980-1995).
- 纳入标准集中在被动吸烟和健康结果的审查上;仅提供英语文章.
- 文章质量的独立评估,作者所属 (与烟草行业有关或不关联),以及受过培训的评估人员的结论.
主要成果:
- 分析了106篇评论文章. 37%的人认为被动吸烟不有害.
- 在没有危害的评论中,74%是由与烟草行业有关联的个人撰写的.
- 后勤回归证实烟草行业的隶属是唯一与被动吸烟不有害的结论相关的重要因素 (OR,88.4;P<.001).
结论:
- 作者的关系,特别是与烟草行业的关系,与被动吸烟对健康的影响的结论有很强的相关性.
- 在那些与行业有联系的人撰写的评论中存在显著的偏见,往往淡化了风险.
- 对作者来说,披露金融利益冲突至关重要,读者在评估审查结论时必须批判性地评估附属关系.
更多相关视频
相关概念视频
Longitudinal Research
Sometimes we want to see how people change over time, as in studies of human development and lifespan. When we test the same group of individuals repeatedly over an extended period of time, we are conducting longitudinal research. Longitudinal research is a research design in which data-gathering is administered repeatedly over an extended period of time. For example, we may survey a group of individuals about their dietary habits at age 20, retest them a decade later at age 30, and then again...
Observational Studies
Observational studies are a type of analytical study where researchers observe events without any interventions. In other words, the researcher does not influence the response variable or the experiment's outcome.
There are three types of observational studies – Prospective, retrospective, and cross-sectional.
Prospective Study
Prospective studies, also known as longitudinal or cohort studies, are carried out by collecting future data from groups sharing similar characteristics. One example of...
There are three types of observational studies – Prospective, retrospective, and cross-sectional.
Prospective Study
Prospective studies, also known as longitudinal or cohort studies, are carried out by collecting future data from groups sharing similar characteristics. One example of...
Chronic Obstructive Pulmonary Disease-II: Pathophysiology
Chronic Obstructive Pulmonary Disease (COPD) pathophysiology is intricate and multifaceted, involving a complex interplay of physiological processes. Understanding these mechanisms is crucial for effectively managing and treating COPD. Here is an in-depth look at the critical elements in the pathophysiology of COPD:
Chronic Inflammation
Chronic Inflammation
Criteria for Causality: Bradford Hill Criteria - II
The Bradford Hill criteria serve as guidelines for establishing causative links in epidemiological research. Beyond Strength, Consistency, Specificity, and Temporality, key criteria also include Biological Gradient, Plausibility, Coherence, Experiment, and Analogy. These principles assist scientists in assessing the likelihood of causation in complex biological contexts. Below is a summary of these concepts:
Stimulants
Stimulants are substances that enhance neural activity and elevate dopamine levels in the brain, leading to their highly addictive nature. These drugs include cocaine, amphetamines, MDMA, caffeine, and nicotine, each with distinct mechanisms of action and varied health implications.
Cocaine can be administered via snorting, injection, or smoking. It primarily functions by blocking the reuptake of dopamine, resulting in a euphoric high characterized by an intense sensation of happiness and...
Cocaine can be administered via snorting, injection, or smoking. It primarily functions by blocking the reuptake of dopamine, resulting in a euphoric high characterized by an intense sensation of happiness and...
Lifestyle Factors and Health
Lifestyle factors play a critical role in maintaining overall health and preventing chronic diseases. Key elements, such as regular physical activity, a nutritious diet, and abstinence from smoking, can significantly enhance physical, mental, and emotional well-being while reducing the risk of several life-threatening conditions.
Benefits of Physical Activity
Physical activity, whether through structured exercise or casual activities like walking, biking, or dancing, is a cornerstone of a...
Benefits of Physical Activity
Physical activity, whether through structured exercise or casual activities like walking, biking, or dancing, is a cornerstone of a...


