Table 1.
Observed characteristics/content and comments/likes of 100 TikTok videos related to the DNA testing kits
| N | Comments | % | Likes | % | |
|---|---|---|---|---|---|
| 100 | 77,498 | 100% | 9,680,309 | 100% | |
| Uses dance | 4 | 5958 | 7.69% | 2,033,295 | 21.00% |
| Uses music | 39 | 61,517 | 79.38% | 7,841,689 | 81.01% |
| Uses humor | 32 | 14,214 | 18.34% | 1,678,664 | 17.34% |
| Finding your family roots/ancestry | 94 | 77,200 | 99.62% | 9,635,284 | 99.53% |
| Mentions commercial DNA test | 67 | 39,985 | 51.59% | 6,057,793 | 62.58% |
| Features a person taking a genetic test | 92 | 45,379 | 58.56% | 6,103,521 | 63.05% |
| Mentions direct consumer genetic testing, promotes awareness | 2 | 1111 | 1.43% | 153,100 | 1.58% |
| Mentions DNA testing to locate family/ancestors | 36 | 58,182 | 75.08% | 7,493,129 | 77.41% |
| Mentions DNA provides personalized health info linked to family/ancestors | 7 | 1444 | 1.86% | 237,364 | 2.45% |
| Mentions DNA testing can result in being more proactive about health | 1 | 331 | 0.43% | 43,200 | 0.45% |
| Mentions DNA sampling may provide unexpected information about health/family/ancestry | 28 | 4028 | 5.20% | 150,665 | 1.56% |
| Mentions DNA test results may be stressful or life changing | 24 | 2138 | 2.76% | 106,785 | 1.10% |
| Mentions DNA testing could be misleading or not have enough evidence to link a particular genetic disease/trait | 1 | 37 | 0.05% | 2031 | 0.02% |
| Mentions genetic databases can be used to track down undocumented persons | 1 | 267 | 0.34% | 2441 | 0.03% |