The Body Odor Disgust Scale (BODS): Development and Validation of a Novel Olfactory Disgust Assessment.

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The Body Odor Disgust Scale (BODS): Development and Validation of a Novel Olfactory Disgust Assessment.

Chem Senses. 2017 Jul 01;42(6):499-508

Authors: Liuzza MT, Lindholm T, Hawley C, Sendén MG, Ekström I, Olsson MJ, Larsson M, Olofsson JK

Abstract
Disgust plays a crucial role in the avoidance of pathogen threats. In many species, body odors provide important information related to health and disease, and body odors are potent elicitors of disgust in humans. With this background, valid assessments of body odor disgust sensitivity are warranted. In the present article, we report the development and psychometric validation of the Body Odor Disgust Scale (BODS), a measure suited to assess individual differences in disgust reaction to a variety of body odors. Collected data from 3 studies (total n = 528) show that the scale can be used either as a unidimensional scale or as a scale that reflects two hypothesized factors: sensitivity to one's own body odors versus those of others. Guided by our results, we reduced the scale to 12 items that capture the essence of these 2 factors. The final version of the BODS shows an excellent internal consistency (Cronbach's αs > 0.9). The BODS subscales show convergent validity with other general disgust scales, as well as with other olfactory functions measures and with aspects of personality that are related to pathogen avoidance. A fourth study confirmed the construct validity of the BODS and its measurement invariance to gender. Moreover, we found that, compared with other general disgust scales, the BODS is more strongly related to perceived vulnerability to disease. The BODS is a brief and valid assessment of trait body odor disgust sensitivity.

PMID: 28633463 [PubMed - in process]

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