Timetrendsofmajorheadachediagnosesandpredictivefactors.DatafromthreeNord-Trøndelaghealthsurveys RESEARCHARTICLEOpenAccess

In this population-based cross-sectional study of 9,398 men with prospective 5-year follow-up data on 4,335 men, we evaluated the relationship between the levels of KBs

Cite this article as: Gravningen et al.: Early sexual behaviour and Chlamydia trachomatis infection – a population based cross-sectional study on gender differences among adolescents

The study design allowed us to analyse both secular trends of total serum cholesterol (ie, cross-sectional trends in age groups) and longitudinal trends (ie, follow individuals

Conclusions: Cross-sectional data from this large-scale population-based study showed that elevated hs-CRP was associated with headache ≥ 7 days/month, especially evident for

For congenital anomaly subgroups with significant ten year trends, the prevalence of the anomaly over the past ten years within each registry and its 95% CIs were then compared using

Prospective cohort studies and cross-sectional studies that did not report the prevalence of depression among Iranian BC pa- tients, reported the prevalence of depression

Methods: This study used a cross-sectional design to obtain self-reported physical activity and sitting time among individuals with LGMD and CMT who were recruited from the

Three studies, two from southern and one from northern Ethiopia, showed that the imple- mentation of DOTS strategy over ten, eight and three years had improved the trends in TB