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Using Social Media To Assess The Consumer Nutrition Environment: Comparing Yelp Reviews With A Direct Observation Audit Instrument For Grocery Stores, Ying Shen, Philippa Clarke, Iris N. Gomez-Lopez, Alex B. Hill, Daniel M. Romero, Robert Goodspeed, Veronica J. Berrocal, Vg Vinod Vydiswaran, Tiffany C. Veinot

Urban Studies and Planning Faculty Research Publications

Objective
To examine the feasibility of using social media to assess the consumer nutrition environment by comparing sentiment expressed in Yelp reviews with information obtained from a direct observation audit instrument for grocery stores.

Design
Trained raters used the Nutrition Environment Measures Survey in Stores (NEMS-S) in 100 grocery stores from July 2015 to March 2016. Yelp reviews were available for sixty-nine of these stores and were retrieved in February 2017 using the Yelp Application Program Interface. A sentiment analysis was conducted to quantify the perceptions of the consumer nutrition environment in the review text. Pearson correlation coefficients (ρ) were …