| Variable | Males | Females | Total |
| Television (TV) | 12 | 12 | 24 |
| Social media | 50 | 41 | 91 |
| CPR training course | 32 | 19 | 51 |
| Relatives or friend | 20 | 5 | 25 |
| Education centers | 30 | 10 | 40 |
| Through reading in the media | 10 | 16 | 26 |
| Total | 154 | 103 | 257 |