Consumption of ultra-processed foods and associated sociodemographic factors in the USA between 2007 and 2012: evidence from a nationally representative cross-sectional study.

ABSTRACT:

Objectives

To compare ultra-processed food consumption across sociodemographic groups and over time (2007-2008, 2009-2010, 2011-2012) in the USA.

Design

Cross-sectional study.

Setting

National Health and Nutrition Examination Survey (NHANES) 2007-2012.

Participants

All individuals aged ≥2 years with at least one 24-hour dietary recall were included (n=23 847).

Main outcome measures

Average dietary contribution of ultra-processed foods (expressed as a percentage of the total caloric value of the diet), obtained after classifying all food items according to extent and purpose of industrial food processing using NOVA classification.

Data analysis

Linear regression was used to evaluate the association between sociodemographic characteristics or NHANES

SUBMITTER: Baraldi LG 

PROVIDER: S-EPMC5855172 | biostudies-literature | 2018 Mar

REPOSITORIES: biostudies-literature