Table 2.

Clinical Parameters (mean, SE) of Periodontal Disease, Caries, and Number of Missing Teeth Stratified by Flossing Behavior (n = 686).

	Nonflossers	Flossers	P Value
iCAL≥3 mm (% sites)	48.8 (1.56)	38.2 (2.38)	0.0008
iPD≥4 mm (% sites)	14.4 (0.93)	8.70 (1.41)	0.002
Coronal caries (surfaces)	1.16 (0.10)	0.66 (0.16)	0.02
Interproximal caries (surfaces)	0.56 (0.06)	0.35 (0.08)	0.06
Missing teeth (n)	14.7 (0.38)	11.8 (0.58)	0.0001
Missing teeth (n excluding third molars)	11.5 (0.35)	8.6 (0.53)	<0.0001

Means adjusted for race, sex, age, diabetes, smoking, education, brushing, and dental utilization; P values based on multiple linear regression.

iCAL, interproximal clinical attachment level; iPD, interproximal probing depth.