population-based
UK[ˌpɒpjʊˈleɪʃən beɪst]US[ˌpɑːpjəˈleɪʃən beɪst]
adj
(of a study, policy, or approach) relating to or involving an entire population or a large, defined group of people.
Morpheme Breakdown
population
based
population
group of people
based
founded on
Etymology
The compound adjective 'population-based' is a modern scientific and sociological term. Its first element, 'population', originates from the Latin 'populus', meaning "the people" or "a community", which evolved through French into English to denote the inhabitants of a specific area. The second element, 'based', derives from the Greek 'basis' (a step, pedestal) via Latin and Old French, entering English with the sense of a foundation or supporting principle. The term's logic is transparent: it describes a methodology or perspective that is founded upon, and applies to, an entire population group as its fundamental unit of analysis, contrasting with approaches focused on individuals or specific subsets.
Analysis
Structure: population (group of people) + based (founded on)
- population: From Latin 'populus' (people) + the noun-forming suffix '-ation'. The root 'populus' refers to a body of people.
- based: From the English verb 'base' (to establish on a foundation) + the past participle suffix '-ed', forming an adjective meaning "having as a foundation".
Examples
The researchers conducted a population-based study to track the incidence of the disease across the whole country.
Public health interventions are often more effective when they are population-based rather than targeted at high-risk groups alone.
A population-based screening program aims to test every eligible person in a defined region.