Epidemiology deserves better questionnaires

Depression deserves better treatment.

Questionnaires in asthma epidemiology.

In epidemiological studies of asthma, questionnaires are widely accepted methods of identifying affected subjects. International Study of Asthma and Allergies in Childhood (ISAAC) is an international project aiming to determine the prevalence of asthma, allergic rhinitis and eczema in children living in different countries [1]. The written questionnaire includes questions on respiratory symptom...

The quest for better questionnaires.

The development of questionnaires is a neglected enterprise in epidemiology. It has recently been proposed that a prestigious health authority such as the World Health Organization establish a committee to tackle issues of questionnaire quality, moving eventually toward standardized instruments. However, standardization may not be the best way to invigorate this enterprise. As an alternative, t...

Practice of Epidemiology Web-based Questionnaires: The Future in Epidemiology?

The traditional epidemiologic modes of data collection, including paper-and-pencil questionnaires and interviews, have several limitations, such as decreasing response rates over the last decades and high costs in large study populations. The use of Web-based questionnaires may be an attractive alternative but is still scarce in epidemiologic research because of major concerns about selective n...

Is Easier the Better in a Feasibility Study of Questionnaires?

CC This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons. org/licenses/by-nc/3.0) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited. *Correspondence: Jung Ho Park, MD Department of Medicine, Sungkyunkwan University School...