Table 3.

Multivariate analyses

Explanation percentages of OHIP-49 change score
Model 1. Controlling variables	4.2%
Model 2. Controlling variables + EPI-Q score	6.3%
Model 3. Controlling variables + RSES score	10.4%
Model 4. Controlling variables + EPI-Q and RSES scores	11.1%
Model 5. Controlling variables + EPI-Q and RSES groups	15.8%
Parameter estimates
Model 4	Estimate	p
RSES score	1.0	0.09
EPI-Q score	-0.9	0.52
Model 5
RSES group (low vs. high)	-2.1	0.78
EPI-Q group (high vs. low)	-20.6	0.01