Description:
<jats:title>Abstract</jats:title><jats:sec id="S1368980020004152_as1"><jats:title>Objective:</jats:title><jats:p>To assess the knowledge, opinions and expectations of persons with and without obesity concerning personalised genotype-based nutrition.</jats:p></jats:sec><jats:sec id="S1368980020004152_as2"><jats:title>Design:</jats:title><jats:p>Questions about nutrition, weight management and personalised genotype-based dietary recommendations were asked via standardised telephone-based interviews. Sociodemographic and anthropometric data were collected. The data were statistically weighted by age, gender, education, domicile and BMI.</jats:p></jats:sec><jats:sec id="S1368980020004152_as3"><jats:title>Setting:</jats:title><jats:p>Germany.</jats:p></jats:sec><jats:sec id="S1368980020004152_as4"><jats:title>Participants:</jats:title><jats:p>Representative sample of the German population (<jats:italic>n</jats:italic> 1003) randomly sampled via a scientific Random Digit dial method plus 354 adults with a BMI ≥ 30·0 kg/m<jats:sup>2</jats:sup> to enlarge the sample.</jats:p></jats:sec><jats:sec id="S1368980020004152_as5"><jats:title>Results:</jats:title><jats:p>Data of 1357 participants were analysed (51·1 % female, age: 50·5 ± 18·5 years, 15·9 % adults with a BMI ≥ 30·0 kg/m<jats:sup>2</jats:sup>). About 42 % or 19 % of the survey participants stated to know the terms personalised dietary recommendation or genotype-based dietary recommendation, respectively. Of those, 15·8 % indicated to have an experience with a personalised or genotype-based dietary recommendation. Almost 70 % of the survey participants believed that a genotype-based dietary recommendation is a reasonable measure for weight management. About 55 % of the survey participants pointed out that a genotype-based dietary recommendation is an effective concept in general. One-third of the survey participants (34·6 %) indicated to conceive the usage of a genotype-based dietary recommendation.</jats:p></jats:sec><jats:sec id="S1368980020004152_as6"><jats:title>Conclusion:</jats:title><jats:p>Most of the survey participants did not know the term personalised or genotype-based dietary recommendation. One-third of the study participants are interested to use a genotype-based dietary recommendation. Therefore, more education of the public is necessary to properly help people making informed and serious decisions and assessing commercially available direct-to-consumer genetic tests.</jats:p></jats:sec>