The phrase "a valid level of" is correct and usable in written English.
It can be used when discussing the acceptability or legitimacy of a certain degree or standard in various contexts, such as performance, quality, or measurement.
Example: "To ensure the safety of the product, we must maintain a valid level of quality control throughout the manufacturing process."
Alternatives: "an acceptable degree of" or "a legitimate standard of".
Each candidate needs to satisfy all educational and experiential requirements established by project management associations (in general, a university degree and 4500 hours of work experience) and must demonstrate an acceptable and valid level of understanding and knowledge about project management that is tested in an examination.
The goal of obtaining a valid facility-level estimate of true quality of care should include adjustment for resident- and facility-level sources of variability.
This analysis was conducted for subjects having a valid creatinine level during at least one of the two sampling periods.
I think the question of responsibility is a valid one regardless of the level of visual detail.
A minimal wear time of 10 h was required for the recordings of a given day to be considered a valid representation of activity level.
Studies have shown the CDI to have high internal consistency and to be a valid measure of overall level of depressive symptomatology in children and adolescents [ 46, 47].
We further investigated the data after taking into account the GGT level, a valid marker of excessive alcohol consumption [ 10, 23] The occurrence of DR was significantly higher in the ALDH2*2 allele carriers with a high GGT level at baseline than in the non-carriers with a high or low GGT level (Table 1, Figure 1b).
Obtaining valid population level of physical activity is very important in assessing the relative importance of physical inactivity to other chronic NCD risk factors, particularly obesity which will potentially become an epidemic threat in low and middle-income countries in near future.
In keeping with guidelines on the validity of accelerometer data, the minimum data requirement will be set at six hours of data on at least three days from seven, to ensure a valid measure of PA levels [ 55].
Previous comparative studies have shown that this approach, using qualitative or semiquantitative exposure assessments by workers and health and safety professionals, can provide a valid ranking of exposure levels relative to quantitative measurements (Flynn et al. 1991).
