Poster Topical Area: Obesity

Location: Hall D

Poster Board Number: 674

P23-047 - Fat Mass but not Body Weight is Associated with YFAS Score in People Undergoing Weight Loss Treatment

Sunday, Jun 10
8:00 AM – 6:00 PM

Objectives: Yale Food Addiction Scale (YFAS) assesses eating-related behaviors/emotions ("symptom count") related to consumption of high fat/high sugar food. Early weight loss is associated with greater long-term weight loss. Thus it is important to understand predictors of early weight loss. This study examined the relationship of YFAS scores to baseline weight (BW), and fat mass (FM); and also change in weight (∆BW) and fat mass (∆FM) during short-term weight loss treatment. Aims were 1) examine if higher baseline YFAS score is associated with higher baseline BW and FM, and less ∆BW and ∆FM. 2) compare the effects of dietary intervention type (total meal replacement, TMR vs. typical diet, TD) on changes in YFAS score (∆YFAS).

Methods: Thirty-two subjects (19-60 yrs; 30-39.9 kg/m2) were recruited for a 3-week dietary intervention (28 completed). Subjects in TMR and TD consumed 1120 kcal/d. BW, FM and YFAS scores were measured at baseline and post-intervention. Missing YFAS values were imputed via multiple imputations using R software (mice package). Four correlation analyses examined the association of baseline YFAS with BW, FM, and also ∆BW, and ∆FM during treatment. T-test compared ∆YFAS between groups (TMR vs. TD).

Results: Correlation of baseline YFAS with baseline BW,∆BW, and ∆FM were not significant (r=-.004[-.384, .312], r=.107[-.276, .462] and r=.359[-.017, .645] respectively), however a trend was noted for the correlation of baseline YFAS and ∆FM (p=0.06). Baseline YFAS score was significantly associated with baseline FM (r=.430[.095, .677]). Mean YFAS score (combined groups) decreased 1.04 after 3-week dietary intervention (P=0.005) with no between group difference (TMR vs. TD) on ∆YFAS.

Conclusions: Short-term dietary intervention reduced YFAS "symptom count" similarly in both groups. No significant association of YFAS with ∆BW, and ∆FM during treatment were found, however a trend towards an association of baseline YFAS and change in fat mass was noted. Also, at baseline higher fat mass was significantly associated with higher YFAS score. Together these findings suggest the YFAS may be of value in predicting early response to treatment (FM) in those influenced by consumption of high fat/high sugar food. Future research relating these short-term findings to longer-term treatment response is needed.

Funding Source: Nestlé Health Science

CoAuthors: Shao-Hua Chin – Texas Tech University; Chanaka Kahathuduwa – Texas Tech University; William Quarles – Texas Tech University; Tyler Davis – Texas Tech University; Martin Binks – Texas Tech University

Wei-Lin Huang

Texas Tech University
Lubbock, Texas