Kiyah J. Duffey; Penny Gordon-Larsen; James M. Shikany; David Guilkey; David R. Jacobs, Jr; Barry M. Popkin. Food Price and Diet and Health Outcomes: 20 Years of the CARDIA Study. Arch Intern Med, 2010; 170 (5): 420-426
Background: Despite surging interest in taxation as a policy to address poor food choice, US research directly examining the association of food prices with individual intake is scarce.
Methods: This 20-year longitudinal study included 12,123 respondent days from 5115 participants in the Coronary Artery Risk Development in Young Adults (CARDIA) Study. Associations between food price, dietary intake, overall energy intake, weight, and homeostatic model assessment insulin resistance (HOMA-IR) scores were assessed using conditional log-log and linear regression models.
The link to the paper is here (subscription only). It was also covered in Science Daily.
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