Table 3.

Logistic Regression Model for Gingival Bleeding – Odds of Having Gingival Bleeding Among U.S. Women Ages 15-44 NHANES, 1999-2004 (N=2,648)

Variable	Unadjusted OR	95% CI	Adjusted* OR	95% CI
DMPA Use
Current	1.91	(1.20– 1.83)	1.73	(1.09– 1.67)
Past	1.43	(1.19– 3.02)	1.34	(0.98– 2.67)
Never	1	Ref	1	Ref
Age
15-19	0.95	(0.83 – 1.13)	1.02	(0.69 – 1.50)
20-29	0.87	(0.73 – 1.10)	0.95	(0.66 – 1.37)
30-39	0.96	(0.66 – 0.96)	0.89	(0.61 – 1.30)
40 -44	1	Ref	1	Ref
Race
Non-Hispanic Black	1.85	(1.29 – 2.02)	1.50	(1.08 – 2.07)
Hispanic	1.61	(1.45 – 2.35)	1.39	(1.04 – 2.19)
Non-Hispanic White	1	Ref	1	Ref
Poverty Index Level
0 - 1.3	1.81	(1.45 -2.26)	1.50	(1.10 -2.08)
1.31- 3.49	1.25	(1.07 -1.45)	1.01	(0.59 -1.73)
>3.5	1	Ref	1	Ref
Dental Visit < two years
Yes	1.90	(1.63 – 2.20)	1.80	(1.59 – 2.11)
No	1	Ref	1	Ref
Smoking status
Current	0.90	(0.69 – 1.18)	1.00	(0.76 – 1.32)
Past	1.06	(0.90 – 1.25)	1.15	(0.77 – 1.71)
Never	1	Ref	1	Ref

^*Model adjusted for age, race, poverty income level, dental visit and smoking status