3.9 Article

Novel Methodological Considerations Regarding the Use of Visual Analog Scale (VAS) Appetite Questionnaires in Tightly Controlled Feeding Trials

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OXFORD UNIV PRESS INC
DOI: 10.1093/cdn/nzz061

关键词

appetite; methodology; energy intake; visual analog scales; ingestive behavior

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  1. NIDDK NIH HHS [T32 DK076540] Funding Source: Medline

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Visual analog scale (VAS) questionnaires are widely used in nutrition research to assess appetite and subsequent food intake. However, a number of methodological considerations exist. The study aims were to test whether 1) appetite VASs alter subsequent food intake and 2) viewing previous appetite responses influences subsequent responses. Twelve healthy adults (age: 22 +/- 3 y; BMI: 22.0 +/- 3.1 kg/m(2)) completed the randomized crossover study. On separate days, participants were provided breakfast preloads and completed appetite VASs every 30 min for 4 h or did not complete the questionnaires. When completing VASs, the participants were shown their previous responses (PR) or were not (No-PR). After 4 h, an ad libitum lunch was provided. Hunger, fullness, desire to eat, and prospective food consumption were not different between PR and No-PR. All data are reported as mean +/- SEM. VASs did not affect lunch intake (484 +/- 50 kcal) compared with no VASs (500 +/- 53 kcal, nonsignificant). Thus, neither past appetite responses nor the use of appetite VASs influenced ingestive behavior in healthy adults. This trial was part of a larger acute, randomized crossover trial registered at clinicaltrials.gov as NCT03154606.

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