The phrase "avoid confounding effects on" is correct and usable in written English.
It can be used in contexts where you want to emphasize the importance of eliminating or minimizing variables that could interfere with the results of an experiment or study.
Example: "To ensure the validity of our findings, we must avoid confounding effects on the data collected during the trial."
Alternatives: "prevent confounding influences on" or "eliminate confounding variables in".
In order to avoid confounding effects on neuroplasticity due to pharmacologic treatment, no preventive anti-migraine drugs were allowed during the preceding 3 months.
All regression models were adjusted for age and gender to avoid confounding effects on both personality score and development of MOH [4, 30, 36 38].
We first removed all the recombinant sequences from the analysis in order to avoid confounding effects on phylogeny inference.
A four-hour period of RR intervals in daytime (between 9AM 5PM) was selected from each recording to avoid confounding effects on nonlinear or linear analysis caused by different sleep stage or diurnal rhythm [21], [22].
Each cell line was cultured in the same medium to avoid confounding effects on metabolism due to differences in nutrient availability.
Second, the 35-bp reads that were aligned to rRNAs were excluded to avoid confounding effects on analyses and the remaining reads were mapped to the mouse genome.
As in Experiment 1, because the physical size of stimuli presented at foveal and extrafoveal locations was adjusted to avoid confounding effects of visibility on performance, comparisons of performance between foveal and extrafoveal locations were not of theoretical interest.
As the physical size of stimuli presented at foveal and extrafoveal locations in the experiment was adjusted to avoid confounding effects of visibility on performance, comparisons of performance between foveal and extrafoveal locations were not of theoretical interest.
The physical size of the stimuli presented at foveal and extrafoveal locations was adjusted to avoid confounding effects of visibility on overall levels of performance [29], [30], [69] and to ensure that stimuli were shown entirely in either foveal or extrafoveal locations.
We have restricted our study to female donors in order to avoid confounding effects of gender on biomarkers related to skin aging [ 32].
Feed intake was restricted (95% of ad libitum DM intake) to avoid confounding effects of DM intake on CH4 production.
