Abstract The Obstructive Lung Disease in Northern Sweden study's (OLIN) overall aim is
prevention of obstructive airways diseases; asthma, chronic bronchitis and chronic …

The prevalence of obstructive lung diseases is increasing in Scandinavia and worldwide.
The reasons for this are not known. The prevalence varies between countries but also …

A questionnaire of respiratory symptoms and diseases completed by 6610 adults in 3 age
cohorts (35–36 y; 50–51 y and 65–66 y) in northern Sweden was followed-up by interview …

The prevalence of respiratory symptoms in 6,610 adults (3,372 men and 3,238 women); 35-
36, 50-51 and 65-66 yrs of age, living in selected areas of Norrbotten, northern Sweden …

Large differences in prevalence of asthma have been reported between westernised
countries and the former Eastern European countries, and still no consensus about the …

Does the prevalence of respiratory symptoms differ between regions? As a part of the
European Community Respiratory Health Survey, we present data from an international …

Abstract Setting: Cross-sectional epidemiological study based on a representative sample of
the general population in northern Sweden. Objectives: To assess the prevalence of …

Only limited data are available about the incidence of asthma based on longitudinal
prospective studies. Further, the results from different studies on incidence vary considerably …

To assess the prevalence of asthma, chronic bronchitis and respiratory symptoms, and to
calculate risk factors for them, we performed a postal survey in Helsinki, the capital of …

Background: According to previous studies, the prevalence of asthma has been lower in
Finland than in other Nordic countries. In the present study, we assessed the prevalence of …