Table 2.

Univariate results, unadjusted amount of newly decayed primary and permanent tooth surfaces (n = 515 children with at least one follow-up exam)

		Primary surfaces			Permanent surfaces
		surface-years at risk	surfaces of new decay per person	p	surface-years at risk	surfaces of new decay per person	p
Treatment
Standard	264	168 ± 60	7.4 ± 7.7	0.001	38 ± 30	0.4 ± 1.2	0.22
Intensive	251	161 ± 57	9.8 ± 8.6		40 ± 27	0.6 ± 1.3
Enrollment cohort
First year	132	160 ± 56	9.7 ± 8.5	0.06	44 ± 29	0.7 ± 1.6	0.12
Second year	383	166 ± 59	8.2 ± 8.1		38 ± 28	0.4 ± 1.1
Head Start Center
WSMC	434	167 ± 59	8.4 ± 8.3	0.14	39 ± 29	0.5 ± 1.2	0.05
EPIC	81	155 ± 52	9.4 ± 8.1		38 ± 28	0.8 ± 1.5
Gender
Female	249	164 ± 58	8.2 ± 8.0	0.46	42 ± 30	0.5 ± 1.3	0.67
Male	266	165 ± 59	8.9 ± 8.5		36 ± 27	0.5 ± 1.2
Age quintile
1st	104	175 ± 67	9.1 ± 9.8	0.91	25 ± 22	0.3 ± 0.9	0.70
2nd	102	166 ± 60	8.7 ± 7.7		35 ± 28	0.5 ± 1.2
3rd	103	167 ± 54	8.6 ± 8.3		38 ± 26	0.6 ± 1.6
4th	103	162 ± 55	7.8 ± 7.4		44 ± 29	0.5 ± 1.1
5th	103	154 ± 53	8.6 ± 8.0		55 ± 30	0.7 ± 1.4
Baseline dmfs1
0 dmfs	222	192 ± 47	5.787.1	<0.001	37 ± 29	0.4 ± 0.9	0.04
1–7 dmfs	152	170 ± 50	10.0 ± 8.4		38 ± 26	0.5 ± 1.2
>7 dmfs	141	116 ± 52	11.6 ± 8.3		44 ± 31	0.8 ± 1.7

¹dmfs in primary surfaces only. All children had zero DMFS in permanent surfaces at baseline.