Table 1.
Sociodemographic profile of the study group (n=22).
| Twitter (n=6) | Facebook (n=8) | YouTube (n=8) | P valued | ||||||
| n | Valid % | n | Valid % | n | Valid % | ||||
| Grade | |||||||||
|
|
Grade 9 | 4 | 66.7 | 6 | 75.0 | 4 | 50.0 | 0.66 | |
|
|
Grade 10 | 2 | 33.3 | 2 | 25.0 | 4 | 50.0 |
|
|
| Age |
|
|
|
|
|
||||
|
|
14 years old | 3 | 50.0 | 6 | 75.0 | 4 | 50.0 | 0.83 | |
|
|
15 years old | 2 | 33.3 | 2 | 25.0 | 3 | 37.5 |
|
|
|
|
16 years old | 1 | 16.7 | - | - | 1 | 12.5 |
|
|
| Gender |
|
|
|
|
|
||||
|
|
Male | 3 | 50.0 | 4 | 50.0 | 5 | 62.5 | 1.00 | |
|
|
Female | 3 | 50.0 | 4 | 50.0 | 3 | 37.5 |
|
|
| Parent’s employment |
|
|
|
|
|
||||
|
|
Unemployed | - | - | 1 | 12.5 | - | - | 1.00 | |
|
|
Employed | 6 | 100.0 | 7 | 87.5 | 8 | 100.0 |
|
|
| Country of Birth |
|
|
|
|
|
||||
|
|
China | 3 | 50.0 | - | - | - | - | 0.02 | |
|
|
Hong Kong | 3 | 50.0 | 7 | 87.5 | 7 | 87.5 |
|
|
|
|
Others | - | - | 1 | 12.5 | - | - |
|
|
| Ethnicity a |
|
|
|
|
|
||||
|
|
Chinese | 1 | 100.0 | 7 | 87.5 | 1 | 100.0 | 1.00 | |
|
|
Others | - | - | 1 | 12.5 | - | - |
|
|
| Years of speaking English |
|
|
|
|
|||||
|
|
5-10 years | 5 | 83.3 | 3 | 37.5 | 6 | 75.0 | 0.22 | |
|
|
11-16 years | 1 | 16.7 | 5 | 62.5 | 2 | 25.0 |
|
|
| Parent’s income b |
|
|
|
|
|
||||
|
|
<30000HKD | - | - | - | - | - | - | 1.00 | |
|
|
30000-40000HKD | - | - | 1 | 14.3 | - | - |
|
|
|
|
>40000HKD | 6 | 100.0 | 6 | 85.7 | 6 | 100.0 |
|
|
| Dental experience |
|
|
|
|
|
||||
|
|
Irregular | 2 | 33.3 | - | - | 2 | 25.0 | 0.28 | |
|
|
Regular | 4 | 66.7 | 8 | 100.0 | 6 | 75.0 |
|
|
| Social media experience |
|
|
|
|
|
||||
|
|
Seldom | - | - | 1 | 12.5 | 1 | 12.5 | 0.32 | |
|
|
Sometimes | 1 | 16.7 | 1 | 15.4 | - | - |
|
|
|
|
Often | 1 | 16.7 | 5 | 62.5 | 4 | 50.0 |
|
|
|
|
Always | 4 | 66.7 | 1 | 12.5 | 3 | 37.5 | ||
a12 participants did not complete this section
b3 participants did not complete this section
c1USD = 7.76HKD
d P-value of 2-sided Fisher’s exact test (in 2 decimal places); Fisher’s exact test was used to compare the proportions among the 3 different media groups.