… the prevalence of e-cigarette use in relation to smoking habits and other demographic
factors among Swedish adults as well as to study the association with respiratory symptoms. …

… risk factors for development of severe respiratory syncytial virus lower respiratory tract …
Clinical evidence of putative risk factors was rated by means of the US Preventive Services …

… also observed between respiratory and non-respiratory contacts suggesting that even when
a wider spectrum of disease is explored, demographic and socioeconomic factors may be …

… Considering that respiratory disorders are usually problems … , accident, allergy or cold
symptoms may obstruct the upper … and demographic factors in determining the respiratory pattern …

… of each of these three factors to the total … demographic and disease related factors account
for very little of the differences in the degree of distress that patients attach to the symptoms …

… -demographic factors, prenatal and postnatal exposure to risk factors for respiratory disease,
… class was neither a risk factor nor a risk modifier for respiratory symptoms in our group does …

… The rationale of this study was to investigate the prevalence of COPD in patients with
respiratory symptoms, as well as the prevalence of bronchial asthma (BA), allergic rhinitis (AR), …

… factors may influence inflammatory and antioxidant activity, and hence the development of
chronic respiratory symptoms. … Dietary factors were derived from serum levels and from a 24-…

… an illness caused by other FRI, based on clinical symptoms and demographic factors.
Distinguishing clinical and demographic factors may aid clinicians with differential diagnosis when …

… of socio-demographic, household and contextual factors known to be associated with the risk
of respiratory symptoms, … However, these factors may be subject to recall bias and detailed …