Measuring socio-economic position in dietary research: Is choice of socio-economic indicator important?

Abstract

Objectives: To examine the association between socio-economic position (SEP) and diet, by assessing the unadjusted and simultaneously adjusted (independent) contributions of education, occupation and household income to food purchasing behaviour. Design: The sample was randomly selected using a stratified two-stage cluster design, and the response rate was 66.4%. Data were collected by face-to-face interview. Food purchasing was examined on the basis of three composite indices that reflected a household's choice of grocery items (including meat and chicken), fruit and vegetables. Setting: Brisbane City, Australia, 2000. Participants: Non-institutionalised residents of private dwellings (n = ..