The phrase "show higher levels of" is grammatically correct and can be used in written English.
It is commonly used when discussing data, statistics, or trends to indicate a comparative increase in a certain measure or factor. Example: The study showed that students who ate a healthy breakfast every day showed higher levels of concentration and academic performance compared to those who did not.
Older people with a negative view of aging show higher levels of stress".
We should not be surprised if this cohort goes on to show higher levels of civic engagement in the future.
Adolescents who were malnourished as two-year-olds show higher levels of anxiety and depression (controlling for potentially confounding factors).
Species in which the female is typically more aggressive, like hyenas in female-run clans, show higher levels of testosterone among the females than among the males.
Women with lung cancer survive slightly longer than men with the disease, respond differently to at least one cancer drug and show higher levels of tobacco-induced genetic damage in their lungs, researchers are reporting today.
But a new academic study, to be presented at the annual meeting of the Academy of Management starting on Aug. 5 in Washington, indicates that companies that reprice options actually show higher levels of executive turnover later.
A24 SCIENCE/HEALTH Cancer Differs Among Sexes Women with lung cancer survive slightly longer than men with the disease, respond differently to a cancer drug and show higher levels of tobacco-induced genetic damage in their lungs, researchers reported.
According to the Centers for Disease Control and Prevention, people show higher levels of lead in their blood after eating game killed with lead shot or bullets.
Introduced foods show higher levels of market integration than traditional foods.
Lower values of the resulting variable show higher levels of income smoothing.
Areas near rivers, roads, and previously deforested land show higher levels of accessibility.
