Table 4. Factors associated with knowledge regarding fillers.

Analysis was performed using ordinal logistic regression.

Predictors	Odds Ratios	CI	p
Gender: Male vs. Female	0.41	0.30 – 0.57	<0.001
Age:
20 - 29	Ref
30-39	1.01	0.68 – 1.48	0.976
40-49	0.54	0.36 – 0.82	0.004
>50	0.45	0.25 – 0.81	0.008
Education
Education: High school	Ref
Education: University	1.03	0.80 – 1.34	0.802
Education: Post-graduate	0.96	0.54 – 1.71	0.900
Ever had a filler injection: Yes vs. No	2.18	1.67 – 2.83	<0.001
The main source of knowledge about the complication of filler injections
Social media	Ref
Books	5.02	2.14 – 11.81	<0.001
Friends	0.61	0.44 – 0.86	0.005
Internet	1.03	0.78 – 1.34	0.851
Physician	2.15	1.58 – 2.92	<0.001