Table 2.

Results of Robust Regression for Dependent Variables: Filled Surfaces (%FS) and Decayed Surfaces (%DS), Women Ages 18-64 yrs, NHANES III (n = 2635)

	Regression Algorithm Results (management of heteroskedasticity) (regress, robust beta)
	Robust Beta	Robust SE for Beta	p
Filled Surfaces
Socio-economic status	0.121	0.441	≤ 0.001
Race	−0.191	0.576	≤ 0.001
Dental insurance	−0.030	0.591	= 0.045
Dental care frequency	−0.181	0.622	≤ 0.000
Marital status	−0.043	0.559	= 0.007
Age/time	0.370	0.323	≤ 0.001
	R2 = 0.32, F (6, 2628) = 192.36, p ≤ 0.001
Decayed Surfaces
Socio-economic status	−0.132	0.006	≤ 0.001
Race	0.233	0.012	≤ 0.001
Births	0.081	0.004	= 0.001
Dental insurance	0.060	0.011	= 0.002
Dental care frequency	0.273	0.012	≤ 0.000
Age/time	−0.016	0.005	= 0.003
	R2 = 0.25, F (6, 2488) = 98.21, p ≤ 0.001