The phrase "a primary variable for the" is correct and usable in written English.
It can be used in contexts where you are discussing a key factor or element that influences a particular outcome or process.
Example: "In our study, we identified a primary variable for the success of the marketing campaign."
Alternatives: "a key factor for the" or "a main variable for the".
Particularly in the latter context, estimates of AGB are needed as a primary variable for establishing the increments or decrements in carbon stored in tropical forests, which is typically converted from AGB by using a factor of 50%% or less [1].
Particularly in the latter context, estimates of AGB are needed as a primary variable for establishing the increments or decrements in carbon stored in tropical forests, which is typically converted from AGB by using a factor of 50%% or less [ 1].
The primary variable for the trials that were analysed in this study was in fact 'no heartburn' (according to the investigator assessment).
If a subsequent study were to be planned, it would be advisable to use the mean change in grip strength as a primary variable because the variability for this parameter was lowest in the present study and it came close to identifying a significant difference between groups (p = 0.196).
The primary variables for the pull-out test included the strand diameter (d b ), initial prestressing force (f po ), cover concrete depth (c) or cover depth to strand diameter ratio (c/d b ), and embedment length (l e ) in UHPFRC.
The primary variables for the LCBEH project are the counts of hospital admissions (in the 3-year period) with a primary diagnosis representing 13 clinical health conditions.
Subsequently, an unplanned, blinded re-estimation of the variability of the primary variable for both phases was done after 120 patients had completed the study, and as a result, the sample size was increased to 200 patients.
Simulation of variably saturated soil water flow requires the use of pressure head, or soil moisture, or a switching between the two, as the primary variable for solving Richards' equation.
Glucose infusion rates (GIR) as determined by the glucose clamp technique were the primary variable for analysis.
Inactivity duration was considered the primary variable for assessing efficacy which was measured by a trained observer.
