Table 1.
Comparison of the socioeconomic background and behavior differences of two groups of children.
| Variable | CF (n = 8) | S-ECC (n = 8) |
|---|---|---|
| Age, mo a | 52.25 ± 3.15 | 56.13 ± 5.14 |
| Birth weight b | ||
| 1.5–2.5 kg | 2 (25.0) | 0 (0) |
| >2.5 kg | 6 (75.0) | 8 (100) |
| Gestational weeks b | ||
| 28–36 w | 4 (50.0) | 1 (12.5) |
| >37 w | 4 (50.0) | 7 (87.5) |
| Delivery way b | ||
| Natural labor | 4 (50.0) | 4 (50.0) |
| Cesarean delivery | 4 (50.0) | 4 (50.0) |
| Feeding pattern within 6 months of birth b | ||
| Exclusively breastfeeding | 4 (50.0) | 2 (25.0) |
| Mixed | 2 (25.0) | 5 (62.5) |
| Exclusively milk powder | 2 (25.0) | 1 (12.5) |
| Age of abstaining from night milk b | ||
| ≤ 2 y | 4 (50.0) | 3 (37.5) |
| >2 y | 4 (50.0) | 5 (62.5) |
| Frequency of brushing teeth b | ||
| ≤ 1 time/day | 4 (50.0) | 3 (37.5) |
| >2 time/day | 4 (50.0) | 5 (62.5) |
| Frequency of eating sweets b | ||
| 1–3 time/week | 7 (87.5) | 6 (75.0) |
| >3 time/week | 1(12.5) | 2(25.0) |
| Household income per capita b | ||
| <5,000 RMB | 4 (50.0) | 3 (37.5) |
| ≥5,000 RMB | 4 (50.0) | 5 (62.5) |
Values are presented as mean ± SD or n (%).
CF, caries free; S-ECC, severe early childhood caries.
a
By student t-test of Wilcoxon test.
b
By Fisher's exact test.
All comparisons are not significant (P > 0.05).