The association is attenuated, but not removed, when controlling for socio-economic variables, such as educational attainment or income.

We also know that socio-economic variables play a potentially vital role in the patterns of drug use.

Sometimes, the term is used more generally, even when statistical analysis is not involved (for example, demographic variables, socio-economic variables).

They found the same general correlation between socio-economic variables and level of expenditure as in primary education.

The relation between historical evolutions and the socio-economic variables has similar characteristics at the macro level.

This particular index takes into account a variety of socio-economic variables including GDP per capita, life expectancy, political stability, family life, community life, gender equality, and job security.

However, after adjusting for socio-economic variables and population trends, experts say 9 million new patients in the American healthcare system is a more realistic projection.

Barash (1995) criticised Rushton's use of data without taking socio-economic variables into account.

Characteristics of connectivity, or which attributes: demographic and socio-economic variables, such as income, education, age, geographic location, etc.

The method developed further the research around the Homologue analysis by incorporating socio-economic variables in the search for similar sites around the Tropics.