However control measures, changing ecology and migration may have led to changes in the prevalence of schistosomiasis in different parts of Malawi.
To determine longitudinal changes in the prevalence of chronic respiratory symptoms among Canadian grain workers.
To determine the changes in the prevalence of obesity in a rural community between 1977 and 2003.
Objectives: To use representative population surveillance data to monitor and project changes in the prevalence of diabetes for different age and body mass index (BMI) groups.
To evaluate changes in the prevalence of antiplatelet (aspirin, clopidogrel) and anticoagulation (warfarin) therapy and its possible relationship to postoperative bleeding in vitreoretinal surgery (VRS) patients.
Marked changes in the prevalence of noncommunicable diseases such as obesity, diabetes, and cardiovascular disease have occurred in developed and developing countries in recent decades.
The findings, as reported, suggest that there are negative health impacts, as defined by changes in the prevalence of low birth weight, when comparing before and after drilling.
We examined changes in the prevalence by gender of inpatient hospital discharges for urinary stone disease.
Identifying the causes of the changes in the prevalence patterns of diabetes in older U.S. adults: A new trend partitioning approach.
Changes in the prevalence of asthma wouldn't necessarily nullify the hygiene hypothesis, he says, but they could complicate the picture.
Crimmins et al. [27] emphasize that most of our knowledge about trends in disability is based on changes in the prevalence of disability.
