The effect of educational level on the incidence of asthma and respiratory symptoms

Few studies have examined the impact of socioeconomic status on the incidence of asthma and respiratory symptoms. Between 1985 and 1996/97, we conducted an 11-years community cohort study with 2819 subjects, aged 15–70 years at baseline, in Western Norway. We examined the cumulative incidence of ast...

Ausführliche Beschreibung