Table 3. Logistic Regression on Likelihood of Being Edentulism.

Variables	MODEL 1	MODEL 2	MODEL 3	MODEL 4
Time	0.97 (0.96, 0.97)***	0.98 (0.97, 0.99)***	0.97 (0.97, 0.98)***	0.97 (0.96, 0.98)***
African Americans	1.18 (1.11, 1.25)***	0.95 (0.89, 1.01)	0.91 (0.86, 0.97)**	0.91 (0.85, 0.97)**
Hispanics	0.82 (0.77, 0.88)***	0.57 (0.52, 0.61)***	0.61 (0.56, 0.65)***	0.61 (0.56, 0.65)***
Asians	0.72 (0.63, 0.83)***	0.87 (0.74, 1.03)	0.98 (0.82, 1.17)	0.98 (0.83, 1.17)
Native Americans	1.85 (1.51, 2.25)***	1.73 (1.40, 2.14)***	1.46 (1.17, 1.81)**	1.36 (1.09, 1.69)***
Age		1.05 (1.05, 1.05)***	1.05 (1.05, 1.06)***	1.05 (1.05, 1.06)***
Female		0.88 (0.85, 0.92)***	0.95 (0.91, 0.99)**	0.95 (0.91, 0.99)**
Married		0.77 (0.73, 0.80)***	0.84 (0.81, 0.88)***	0.84 (0.81, 0.88)***
Education		0.53 (0.52, 0.54)***	0.56 (0.55, 0.58)***	0.56 (0.55, 0.58)***
Smoking			2.32 (2.20, 2.45)***	2.32 (2.20, 2.45)***
ADL			1.01 (0.98, 1.04)**	1.01 (0.98, 1.04)
IADL			1.31 (1.21, 1.41)***	1.31 (1.21, 1.41)***
Memory problem			1.14 (1.05, 1.25)**	1.14 (1.05, 1.25)**
Heart attack			1.31 (1.21, 1.42)***	1.31 (1.21, 1.42)***
Coronary heart disease			1.09 (1.01, 1.17)*	1.09 (1.01, 1.17)*
Diabetes			1.45 (1.38, 1.52)***	1.45 (1.38, 1.52)***
Hypertension			1.12 (1.07, 1.16)***	1.12 (1.07, 1.16)***
Lung disease			1.42 (1.35, 1.49)***	1.42 (1.35, 1.49)***
Time × African Americans				1.02 (1.00, 1.04)
Time × Hispanics				1.00 (0.98, 1.02)
Time × Asians				0.99 (0.93, 1.06)
Time × Native Americans				1.10 (1.02, 1.19)*

Note:

^*Significant at 0.05 level,

^**significant at 0.01 level, and

^***significant at 0.001 level.

Model 1: Time and race/ethnicity only; Model 2: adding sociodemographic characteristics and level of education; Model 3: adding variables on smoking and health conditions; and Model 4: adding interactions between time and race/ethnicity.