Table 1. Factors associated with filler use.

Data were summarized using counts and percentages, and analysis was performed using the chi-square test of independence.

	Ever had a filler injection
Predictors	Odds Ratios	CI	p
(Intercept)	0.20	0.14 – 0.28	<0.001
Gender
Female	Reference
Male	0.13	0.06 – 0.24	<0.001
Age
18-29	Reference
30-39	2.25	1.40 – 3.58	0.001
40-49	2.43	1.51 – 3.86	<0.001
> 50	1.92	0.96 – 3.72	0.058
Education
High school or less	Reference
University	1.62	1.12 – 2.40	0.013
Post-graduate	4.61	2.27 – 9.52	<0.001
Observations	1208
R2 Tjur	0.087