Clark, S. M., Martens, K., Smith-Mason, C. E., Hamann, A., & Miller-Matero, L. R. (2019). Validation of the Yale Food Addiction Scale 2.0 Among a Bariatric Surgery Population. Obes Surg, 29(9), 2923-2928. https://doi.org/10.1007/s11695-019-03927-z
From the validation study’s abstract: “In this sample, 27.3% met criteria for ‘food addiction’ according to the YFAS 2.0. Of those, more than half met criteria for severe food addiction.”