Operational definitions of asthma in recent epidemiological studies are inconsistent

نویسندگان
چکیده

برای دانلود رایگان متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Operational definitions of asthma in recent epidemiological studies are inconsistent

OBJECTIVE The best combination of questions to define asthma in epidemiological asthma studies is not known. We summarized the operational definitions of asthma used in prevalence studies and empirically assess how asthma prevalence estimates vary depending on the definition used. METHODS We searched the Thomson Reuters ISI Web of knowledge and included (1) cross-sectional studies (2) on asth...

متن کامل

Operational definitions of asthma in studies on its aetiology.

The most popular way to define asthma based on questionnaires is to use definitions taken from cross-sectional international studies on asthma. These definitions may not, however, be optimal for future studies focusing on risk factors of asthma. The current authors, therefore, compared the performance of different operational definitions of asthma. The European Community Respiratory Health Stud...

متن کامل

Defining asthma in epidemiological studies.

It has been suggested that, in epidemiological studies, asthma should be defined as symptomatic bronchial hyperresponsiveness (BHR). This paper critically examines the validity of this and alternative methods of defining asthma by reviewing population-based studies validating BHR and symptom questionnaires against asthma defined on the basis of a clinical assessment. It is emphasized that a sin...

متن کامل

Wanted: fully operational definitions of dissociations in single-case studies.

In contrast to the careful consideration given to the issue of what we can infer from dissociations in single-case studies, the more basic question of how we decide whether a dissociation is present has been relatively neglected. Proposals are made for fully operational definitions of a deficit, classical and strong dissociations, and double dissociations. In developing these definitions it was...

متن کامل

Moving Toward Operational Definitions

Early intervention (EI) providers increasingly coach and collaborate with caregivers to strengthen and support caregiver–child interactions. The EI providers learning to coach other adults benefit from knowing what, exactly, they should do to support caregivers. This article serves two purposes. First, it proposes an operationally defined, theoretically based, and reliably used set of definitio...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

ژورنال

عنوان ژورنال: Clinical and Translational Allergy

سال: 2014

ISSN: 2045-7022,2045-7022

DOI: 10.1186/2045-7022-4-24