Table 2.

The Mean (SD) Number of Caries Procedures per Child in 2003 and 2012, and a Summary of the Bivariate and Binary Regression Analyses

Age Group (years)	Mean (SD) 2003 Optimal CWF	Mean (SD) 2012 Suboptimal CWF	Mann-Whitney U p	Logistic Regression a Optimal CWF OR, [95% CI]
0 to < 6	1.55 (3.89) n = 194	2.52 (4.35) n = 301	0.0001	0.488, [0.33, 0.73]
0 to < 7	2.01 (4.22) n = 303	2.68 (4.57) n = 461	0.004	0.699, [0.52, 0.95]
7 to < 13	1.61 (3.38) n = 352	1.64 (2.60) n = 400	NS	NS
13 to 18	2.75 (4.73) n = 198	3.04 (4.66) n = 191	NS	NS
0 to 18	2.02 (4.05) n = 853	2.35 (3.99) n = 1052	0.001	0.748, [0.62, 0.90]

NS Not Significant

^aAdjusted for gender and race