Table 1.
Total samplea | Females | Males | |
---|---|---|---|
(n = 272) | (n = 124) | (n = 148) | |
Characteristic(s) | n (%) or Mean (SD) | n (%) or Mean (SD) | n (%) or Mean (SD) |
Sex | |||
Male | 148 (54 %) | – | 148 (100 %) |
Female | 124 (46 %) | 124 (100 %) | – |
Race/Ethnidtyb | |||
White | 207 (76 %) | 95 (77 %) | 112 (76%) |
Black/More Than One Race | 65 (24 %) | 29 (23 %) | 36 (24 %) |
Age (years) | 12.12 (0.77) | 12.26 (0.83) | 12.00 (0.70) |
Serum Cotinine (ng/mL) | 0.34 (1.39) | 0.23 (0.62) | 0.43 (1.79) |
Total Household | |||
Incomec | |||
<$20,000 | 28 (10 %) | 13 (10%) | 15 (10 %) |
$20,000–<$40,000 | 34 (13 %) | 14 (11 %) | 20 (14 %) |
$40,000–<$70,000 | 51 (19 %) | 25 (20 %) | 26 (18 %) |
$70,000–<$90,000 | 37 (14 %) | 13 (10%) | 24 (16 %) |
>$90,000 | 111 (41 %) | 54 (44 %) | 57 (39 %) |
Prefer not to answer | 10 (4 %) | 4 (3%) | 6 (4%) |
Maternal BDI Score | 6.28 (7.27) | 6.62 (8.26) | 6.01 (6.36) |
Relational Frustration T-Score | 47.79 (9.28) | 47.94 (10.18) | 47.66 (8.48) |
Fluoride in μg/mL [Median (IQR)] | |||
Child urinary fluoride (CUF) | 0.82 (0.56–1.18) | 0.71 (0.51–1.08) | 0.92 (0.65–1.27) |
Specific Gravity (SG) | 1.02 (1.01–1.02) | 1.02 (1.01–1.03) | 1.02 (1.02–1.03) |
Fluoride SG corrected (CUFsg) | 0.81 (0.62–1.09) | 0.81 (00.59–1.09) | 0.81 (0.64–1.08) |
Log-transformed | −0.21 | −0.21 | −0.21 |
CUFsg | (−0.47–0.09) | (−0.51–0.09) | (−0.44–0.08) |
Total participants with complete and usable fluoride and epigenetic data.
Self-reported at visit.
One participant is missing household income data in each group except for “males”.