The phrase "a reference group for the" is correct and usable in written English.
It can be used when discussing a group that serves as a standard or point of comparison for individuals or organizations in a specific context.
Example: "In sociological studies, a reference group for the participants is essential to understand their behaviors and attitudes."
Alternatives: "a benchmark group for the" or "a comparison group for the".
A reference group for the research project was also formed with representatives from the industry who also contributed with inputs throughout the design stage of the questionnaire.
Besides a general overview, a closer look at the Berlin Population as a reference group for the used sample is presented where possible.
A reference group for the study has been established.
G6PD B and α-thalassaemia αα/αα served as a reference group for the comparisons.
We used normal controls at baseline as a reference group for the PC patients.
Control subjects are then used as a reference group for the odds ratio derived from the case-crossover study (15).
In addition, patients will also be recruited during this phase to establish a reference group for comparison between the status quo and those in the main study phase who receive EPC.
The analyses were done with simple contrast to a reference group for each of the independent variables.
A standard linear regression using an average contemporaneous measure by a reference group (for example, by the school level, by workplace or by closest friends identified by the individuals) as a proxy for social interactions is easy to estimate.
Thus, the study population consisted of 2451 severely obese women (mean BMI 36.9) and 2450 randomly selected women (mean BMI 23.1) who functioned as a reference group for comparison with the obese group.
Multivariable logistic regression analyses with computation of Odds Ratios (OR) were performed with simple contrast to a reference group for each of the independent variables; age, sex, baseline pain group, SEI, smoking habits, and follow-up time.
