Table 2.
Descriptive Analysis of Other Related Factors (Age 36–60 Months Old) by Caries Category (n = 377)
| Parameter | Caries-free (n = 248) | d1 (n = 38) | d2+f (n = 45) | d1d2+f (n = 46) | P-value* |
|---|---|---|---|---|---|
| Mean (SD) | |||||
| Toothbrushing frequency (36 to 60 months) | 1.4 (0.5) | 1.2 (0.5) | 1.3 (0.5) | 1.2 (0.4) | 0.01 |
| Average composite water fluoride level from age 36 to 60 months (ppm F) | 0.8 (0.4) | 0.9 (0.5) | 0.8 (0.3) | 0.8 (0.4) | 0.69 |
| Age | 5.1 (0.3) | 5.1 (0.3) | 5.2 (0.4) | 5.2 (0.5) | 0.05 |
| Percent distribution (%) | |||||
| SES | 0.001 | ||||
| • Low | 16.9 | 31.6 | 31.1 | 28.3 | |
| • Middle | 34.7 | 52.6 | 42.2 | 41.3 | |
| • High | 48.4 | 15.8 | 26.7 | 30.4 | |
*
P-values from Kruskal–Wallis tests and chi-square test (SES only).
SD, standard deviation; SES, socioeconomic status.