Sentence:  Of significant current interest is the fact that the compa-ratio can be used to analyze the pay treatment of specific groups of employees. Segregating employees by such <WSD>demographics</WSD> as gender, race, or age group (e.g., 18–25, 26–39, 40–50, 51–65), a compa-ratio analysis could provide a first indication […] 
Meaning of the word marked with <WSD> tags:  (en) A demographic criterion: a characteristic used to classify people for statistical purposes, such as age, race, or gender.