Table 3 Urinary fluoride levels (mg/L) according to key covariates by sexa
From: Fluoride exposure and pubertal development in children living in Mexico City
Variable | N | Geometric mean (95% CI) | p-value | |
|---|---|---|---|---|
Boys | ||||
Age (years) | ≥12 | 123 | 0.61 (0.57, 0.66) | 0.35 |
< 12 | 34 | 0.58 (0.53, 0.65) | ||
Number of siblings at birth | < 2 | 55 | 0.58 (0.53, 0.64) | 0.42 |
≥2 | 102 | 0.62 (0.57, 0.67) | ||
Maternal Education (years) | < 12 | 76 | 0.59 (0.54, 0.65) | 0.22 |
12 | 56 | 0.65 (0.57, 0.73) | ||
> 12 | 25 | 0.56 (0.48, 0.64) | ||
Marital status | Married | 119 | 0.62 (0.57, 0.67) | 0.10 |
Other | 38 | 0.56 (0.50, 0.62) | ||
Girls | ||||
Age (years) | ≥12 | 127 | 0.59 (0.53, 0.64) | 0.55 |
< 12 | 49 | 0.55 (0.49, 0.61) | ||
Number of siblings at birth | < 2 | 69 | 0.57 (0.52, 0.63) | 0.84 |
≥2 | 107 | 0.57 (0.52, 0.63) | ||
Maternal Education (years) | < 12 | 90 | 0.57 (0.51, 0.63) | 0.08 |
12 | 56 | 0.63 (0.55, 0.71) | ||
> 12 | 30 | 0.51 (0.46, 0.56) | ||
Marital status | Married | 126 | 0.57 (0.52, 0.62) | 0.68 |
Other | 50 | 0.58 (0.51, 0.67) | ||