The phrase "activity and levels of" is correct and usable in written English.
It can be used when discussing the extent or degree of certain activities or behaviors in a specific context, such as research, analysis, or reporting.
Example: "The study examined the activity and levels of physical exercise among different age groups."
Alternatives: "extent and intensity of" or "degree and frequency of".
In addition, research shows that increased digital media viewing is associated with reduced physical activity and levels of active play [ 15].
Children also have lower activity and levels of enzymes that detoxify activated forms of certain OP pesticides (Holland et al. 2006).
Interestingly, although the activity and levels of both Src and Notch are often increased in cancers, activating mutations in the genes themselves are rare (Ishizawar and Parsons, 2004; Ranganathan et al., 2011; Louvi and Artavanis-Tsakonas, 2012).
To assess the effect of varicocelectomy on sperm function (DNA integrity and mitochondrial activity) and levels of lipid peroxidation in seminal plasma of adolescents.
We aimed to evaluate the activity and levels of antioxidant superoxide dismutase (SOD), and oxidant nitric oxide (NO), in bipolar I depressive episode (BD-DE) patients in a prospective design.
In addition, proliferation, metabolic activity, and levels of alkaline phosphatase production, a common marker for osteoblast function, were statistically higher for the colocalized peptide sequences at 1 day, 1 week, and 2 weeks, when compared to control surfaces.
"There has been an increase in activity and level of damage in which violence is being used to intimidate and coerce people," said LaRae Quy, an F.B.I. spokeswoman in San Francisco.
Activity and level of Cdk5 were significantly elevated after spinal ischemia-reperfusion injury.
Feedback messages were based on patient input considering demographics and their behavior (smoking status, level of physical activity and level of medication adherence).
In the multivariate model (primary model), we included muscle strength, BMI, smoking status, physical activity and level of education.
Consequently, the impact of socioeconomic factors, diet, physical activity and level of control on the risk of adverse outcome could not be assessed.
