Table 1.
Children with and without enamel hypoplasia by explanatory variables: Median or mean (standard deviation), or % of total.
| With enamel hypoplasia n=13 | Without enamel hypoplasia n=16 | Comparison (p-value) | |
|---|---|---|---|
|
| |||
| Maternal and child race/ethnicity | 0.3‡ | ||
| White | 7/13 = 54% | 6/16 = 38% | |
| Hispanic | 2/13 = 15% | 7/16 = 44% | |
| Black | 4/13 = 31% | 3/16 = 19% | |
|
| |||
| Maternal age, years | 28.5 (5.5) | 28.7 (6.5) | 0.95* |
|
| |||
| Maternal 25(OH)D (ng/ml) 12 – 40 weeks of gestation | |||
| 32.1 (13.6) | 33.6 (12.8) | 0.76* | |
|
| |||
| Maternal pregnancy complication | 13 none | 12 none, 2 minor, 1 moderate, 1 severe | Insufficient |
|
| |||
| Mode of delivery | 11 vaginal, 2 C-section | 13 vaginal, 3 C-section | Insufficient |
|
| |||
| Level of neonatal care | 13 normal newborn | 16 normal newborn | Insufficient |
|
| |||
| RCT treatment group 1 | 6 | 5 | Insufficient |
| 2 | 3 | 5 | |
| 3 | 4 | 6 | |
|
| |||
| Child sex | 7/13 = 54% F | 8/16 = 50% F | 0.8‡ |
|
| |||
| Child age (years) | 3.4±0.8 | 3.75±0.9 | 0.31** |
|
| |||
| Child tooth count (average) | 19.0 (3.2) | 19.6 (1.1) | 0.87* |
‡
Fisher’s exact test,
*
Student’s t-test,
**
Wilcoxon rank sum test presented where normality assumption was not met, median presented.