Table 1.
Demographic characteristics of the survey respondents (N=2382).
| Characteristic | Value | ||
| Sex, n (%) | |||
|
|
Female | 1891 (79.4) | |
|
|
Male | 474 (19.9) | |
|
|
Neither/prefer not to disclose | 17 (0.7) | |
| Age (years) | |||
|
|
Average (SD) | 27.2 (8.5) | |
|
|
Range, n (%) | ||
|
|
|
18-29 | 1770 (74.3) |
|
|
|
30-39 | 413 (17.3) |
|
|
|
40-49 | 111 (4.7) |
|
|
|
50-59 | 64 (2.7) |
|
|
|
≥60 | 24 (1.0) |
| BMI (kg/m2), n (%) | |||
|
|
18.5-24.9 (normal weight) | 1759 (73.8) | |
|
|
25-29.9 (overweight) | 392 (16.5) | |
|
|
<18.5 (underweight) | 111 (4.7) | |
|
|
30-34.9 (class I obesity) | 82 (3.4) | |
|
|
35-39.9 (class II obesity) | 30 (1.3) | |
|
|
>40 (class III obesity) | 8 (0.3) | |
| Smoker, n (%) | |||
|
|
No | 2014 (84.5) | |
|
|
Yes | 349 (14.7) | |
|
|
No answer | 19 (0.8) | |
| Highest educational level, n (%) | |||
|
|
Bachelor’s degree | 958 (40.2) | |
|
|
High school/apprenticeship | 744 (31.2) | |
|
|
Master’s degree | 512 (21.5) | |
|
|
PhD | 114 (4.8) | |
|
|
Other | 41 (1.7) | |
|
|
Primary/intermediate School | 8 (0.3) | |
|
|
No schooling completed | 5 (0.2) | |
| Diseases or conditions,a n (%) | |||
|
|
No illnesses or health problems | 1495 (62.8) | |
|
|
Overweight/obesity | 194 (8.1) | |
|
|
Lactose intolerance | 138 (5.8) | |
|
|
Inflammatory bowel syndrome | 137 (5.8) | |
|
|
Anemia | 105 (4.4) | |
|
|
Food allergy | 105 (4.4) | |
|
|
Eating disorders | 93 (3.9) | |
|
|
Acid reflux | 92 (3.9) | |
|
|
High total cholesterol | 62 (2.6) | |
|
|
Other diseases/conditionsb | 322 (13.5) | |
|
|
No answer | 53 (2.2) | |
| Smartphone user, n (%) | |||
|
|
No | 154 (6.5) | |
|
|
Yes | 2228 (93.5) | |
| Operating system, n (%) | |||
|
|
Android | 1381 (61.9) | |
|
|
iOS (Apple iPhone) | 828 (37.2) | |
|
|
Windows | 4 (0.2) | |
|
|
I do not know/I do not want to answer | 11 (0.5) | |
|
|
Other | 4 (0.2) | |
aMultiple answers could be selected.
bAny disease/condition with a prevalence of <2.5% was summed in “Other diseases/conditions.”